SPAN TABLES - iSPAN Systems · 3 23"810"4652 NOTES • Available flexural strength calculated in...

SPAN TABLES

SPAN TABLES

2

TABLE OF CONTENTS

COMPOSITE TOTALJOIST PROPERTIES 3

COMPOSITE SPAN TABLES

40 PSF 4

50 PSF 6

75 PSF 8

100 PSF 10

ROOF LOADING 12

HOW TO USE COMPOSITE SPAN TABLES 14

RESIDENTIAL GARAGE LOADING 15

DESCRIPTION 16

DESIGN FOR CONSTRUCTION

(NON-COMPOSITE DESIGN) 17

DESIGN FOR SERVICE LIFE

(COMPOSITE DESIGN) 20

REFERENCE WEIGHTS 26

DESIGN EXAMPLE 27

iSPAN Systems LP70 Brentwood Drive, Princeton, Ontario, Canada N0J 1V0

T 519-458-4222 F 519-458-4460 E [email protected] iSPANsystems.com

3

SPAN TABLES

NOTES• AvailableflexuralstrengthcalculatedinaccordancewithCSAS16-09andasoutlinedintheCompositeTotalJoistSpanTablesdocument

• Compositemomentofinertia,Ixc ,expressedinequivalentsteel

• Modulusofelasticityofsteel,Es =29,500ksi

• Materialpropertiesaretakenasfollows:

• Yieldstrengthofsteel,fy =60ksi

• CompressiveStrengthofConcrete,fc' =3.0ksi

TABLE 1. COMPOSITE TOTALJOIST PROPERTIES

Slab Depth

Depth TotalJoist24" o.c. 36" o.c. 48" o.c.

Weight(psf)

Ixc (in4) Mrc (k-ft)Weight(psf)

Ixc (in4) Mrc (k-ft)Weight(psf)

Ixc (in4) Mrc (k-ft)

3"

8"8-ic-3 40.0 30.0 24.6 39.2 32.0 25.0 38.9 33.5 25.2

8-ic-4 40.5 35.6 29.9 39.6 38.1 30.6 39.1 39.9 30.9

10"10-ic-3 40.2 42.7 30.9 39.4 45.1 31.3 39.0 46.8 31.6

10-ic-4 40.7 50.9 37.7 39.7 54.0 38.4 39.2 56.1 38.7

12"12-ic-3 40.5 58.6 39.2 39.6 61.5 39.8 39.1 63.5 40.1

12-ic-4 41.1 70.1 48.0 40.0 73.9 48.8 39.4 76.4 49.3

14"14-ic-3 40.7 76.5 47.6 39.7 80.0 48.3 39.2 82.2 48.6

14-ic-4 41.4 91.8 58.3 40.2 96.3 59.3 39.6 99.2 59.8

16"16-ic-3 40.9 97.3 56.7 39.9 101 57.5 39.3 104 57.9

16-ic-4 41.7 117 69.4 40.4 122 70.6 39.7 126 71.2

18" 18-ic-4 42.0 155 81.4 40.6 163 82.8 39.9 167 83.5

4"

8"8-ic-3 52.1 38.3 27.2 51.3 41.8 27.6 51.0 44.9 27.8

8-ic-4 52.6 45.1 33.2 51.7 49.1 33.8 51.2 52.4 34.1

10"10-ic-3 52.3 52.0 33.7 51.4 55.9 34.2 51.0 59.1 34.4

10-ic-4 52.8 61.7 41.2 51.8 66.2 41.9 51.3 69.8 42.3

12"12-ic-3 52.5 69.0 42.4 51.6 73.3 43.0 51.2 76.8 43.3

12-ic-4 53.2 82.4 51.9 52.1 87.5 52.8 51.5 91.4 53.2

14"14-ic-3 52.8 88.0 51.1 51.8 92.7 51.8 51.3 96.4 52.1

14-ic-4 53.5 105 62.6 52.3 111 63.6 51.6 115 64.1

16"16-ic-3 53.0 110 60.4 51.9 115 61.2 51.4 119 61.6

16-ic-4 53.8 132 74.1 52.4 139 75.3 51.8 143 75.9

18" 18-ic-4 54.0 174 86.4 52.6 182 87.8 51.9 188 88.5

5"

8"8-ic-3 64.2 49.4 29.9 63.4 56.0 30.3 63.0 62.1 30.5

8-ic-4 64.7 57.5 36.5 63.8 64.5 37.1 63.3 70.8 37.4

10"10-ic-3 64.3 64.0 36.6 63.5 70.9 37.1 63.1 77.1 37.3

10-ic-4 64.9 75.2 44.7 63.9 82.6 45.4 63.4 89.2 45.8

12"12-ic-3 64.6 82.0 45.6 63.7 89.2 46.2 63.3 95.7 46.5

12-ic-4 65.3 97.1 55.9 64.1 105 56.8 63.6 112 57.2

14"14-ic-3 64.9 102 54.6 63.9 109 55.2 63.4 116 55.6

14-ic-4 65.6 121 66.8 64.3 130 67.9 63.7 137 68.4

16"16-ic-3 65.1 125 64.2 64.0 133 65.0 63.5 140 65.4

16-ic-4 65.8 149 78.7 64.5 158 79.9 63.9 166 80.5

18" 18-ic-4 66.1 194 91.4 64.7 205 92.8 64.0 213 93.5

iSPAN Systems LP70 Brentwood Drive, Princeton, Ontario, Canada N0J 1V0 T 519-458-4222 F 519-458-4460 E [email protected] iSPANsystems.com

SPAN TABLES

4

TABLE 2. COMPOSITE SPAN TABLESRESIDENTIAL LOADING, 40 PSF LIVE LOAD

Vibration Controlled — Open Areas

Slab Depth

DepthCompositeTotalJoist

40 psf Live Load / 15 psf Superimposed Dead Load


24" o.c. 30" o.c. 36" o.c. 42" o.c. 48" o.c. 24" o.c. 30" o.c. 36" o.c. 42" o.c. 48" o.c.

3"

8"8-ic-3 18'4" 17'5" 16'7" 16'0" 15'6" 18'4" 17'5" 16'7" 16'0" 15'6"

8-ic-4 19'2" 18'4" 17'6" 16'10" 16'4" 19'2" 18'4" 17'6" 16'10" 16'4"

10"10-ic-3 20'6" 19'5" 18'7" 17'11" 17'4" 20'6" 19'5" 18'7" 17'11" 17'4"

10-ic-4 21'7" 20'5" 19'7" 18'10" 18'2" 21'7" 20'5" 19'7" 18'10" 18'2"

12"12-ic-3 22'11" 21'8" 20'8" 19'11" 19'2" 22'11" 21'8" 20'8" 19'11" 19'2"

12-ic-4 24'1" 22'10" 21'10" 21'0" 20'4" 24'1" 22'10" 21'10" 21'0" 20'4"

14"14-ic-3 25'1" 23'8" 22'8" 21'10" 21'1" 25'1" 23'8" 22'8" 21'10" 21'1"

14-ic-4 26'7" 25'0" 23'11" 23'0" 22'2" 26'7" 25'0" 23'11" 23'0" 22'2"

16"16-ic-3 27'6" 25'11" 24'7" 23'8" 22'11" 27'6" 25'11" 24'7" 23'8" 22'11"

16-ic-4 29'1" 27'5" 26'1" 25'0" 24'2" 29'1" 27'5" 26'1" 25'0" 24'2"

18" 18-ic-4 31'8" 29'10" 28'4" 27'1" 26'1" 31'8" 29'10" 28'4" 27'1" 26'1"

4"

8"8-ic-3 19'5" 18'6" 17'10" 17'2" 16'6" 19'5" 18'6" 17'10" 17'2" 16'6"

8-ic-4 20'5" 19'4" 18'7" 18'0" 17'6" 20'5" 19'4" 18'7" 18'0" 17'6"

10"10-ic-3 21'6" 20'5" 19'6" 18'10" 18'4" 21'6" 20'5" 19'6" 18'10" 18'4"

10-ic-4 22'8" 21'6" 20'6" 19'8" 19'1" 22'8" 21'6" 20'6" 19'8" 19'1"

12"12-ic-3 23'11" 22'7" 21'7" 20'8" 20'0" 23'11" 22'7" 21'7" 20'8" 20'0"

12-ic-4 25'4" 23'10" 22'8" 21'11" 21'1" 25'4" 23'10" 22'8" 21'11" 21'1"

14"14-ic-3 26'2" 24'8" 23'6" 22'7" 21'10" 26'2" 24'8" 23'6" 22'7" 21'10"

14-ic-4 27'8" 26'1" 24'11" 23'11" 23'1" 27'8" 26'1" 24'11" 23'11" 23'1"

16"16-ic-3 28'6" 26'11" 25'7" 24'6" 23'7" 28'6" 26'11" 25'7" 24'6" 22'2"

16-ic-4 30'2" 28'6" 27'1" 26'0" 25'0" 30'2" 28'6" 27'1" 26'0" 25'0"

18" 18-ic-4 32'8" 30'10" 29'4" 28'0" 27'0" 32'8" 30'10" 29'4" 28'0" 27'0"

5"

8"8-ic-3 20'10" 19'4" 17'8" 16'4" 15'4" 20'10" 19'4" 17'8" 16'4" 15'4"

8-ic-4 21'10" 20'10" 19'9" 18'3" 17'1" 21'10" 20'10" 19'9" 18'3" 17'1"

10"10-ic-3 22'10" 21'8" 20'1" 18'7" 17'5" 22'10" 21'8" 20'1" 18'7" 17'5"

10-ic-4 24'0" 22'8" 21'10" 20'11" 19'7" 24'0" 22'8" 21'10" 20'11" 19'7"

12"12-ic-3 25'1" 23'8" 22'7" 20'11" 19'7" 25'1" 23'8" 22'7" 20'11" 19'7"

12-ic-4 26'6" 25'0" 23'11" 23'0" 22'0" 26'6" 25'0" 23'11" 23'0" 22'0"

14"14-ic-3 27'4" 25'10" 24'7" 22'10" 21'5" 27'4" 25'10" 24'7" 22'10" 20'2"

14-ic-4 28'11" 27'2" 26'0" 25'0" 24'1" 28'11" 27'2" 26'0" 25'0" 24'1"

16"16-ic-3 29'7" 27'11" 26'6" 24'7" 21'9" 29'7" 27'11" 26'6" 23'0" 20'2"

16-ic-4 31'5" 29'6" 28'1" 27'0" 26'0" 31'5" 29'6" 28'1" 27'0" 26'0"

18" 18-ic-4 33'11" 31'10" 30'4" 29'0" 27'9" 33'11" 31'10" 30'4" 29'0" 27'9"

PleaseseeNOTES,p.14.



5

SPAN TABLES

TABLE 3. COMPOSITE SPAN TABLESRESIDENTIAL LOADING, 40 PSF LIVE LOAD

Vibration Controlled — Full Height Partitions

Slab Depth





3"

8"8-ic-3 19'4" 18'2" 17'5" 16'10" 16'4" 19'4" 18'2" 17'5" 16'10" 16'4"

8-ic-4 20'4" 19'2" 18'4" 17'8" 17'1" 20'4" 19'2" 18'4" 17'8" 17'1"

10"10-ic-3 21'10" 20'6" 19'6" 18'10" 18'2" 21'10" 20'6" 19'6" 18'10" 18'2"

10-ic-4 23'1" 21'10" 20'8" 19'10" 19'1" 23'1" 21'10" 20'8" 19'10" 19'1"

12"12-ic-3 24'8" 23'2" 22'0" 21'1" 20'4" 24'8" 23'2" 22'0" 21'1" 20'4"

12-ic-4 26'1" 24'7" 23'5" 22'5" 21'6" 26'1" 24'7" 23'5" 22'5" 21'6"

14"14-ic-3 27'4" 25'8" 24'5" 23'5" 22'6" 27'4" 25'8" 24'5" 23'5" 22'6"

14-ic-4 28'11" 27'2" 25'11" 24'10" 23'11" 28'11" 27'2" 25'11" 24'10" 23'11"

16"16-ic-3 29'11" 28'1" 26'8" 25'7" 24'7" 29'11" 28'1" 26'8" 25'7" 24'6"

16-ic-4 31'8" 29'10" 28'4" 27'1" 26'1" 31'8" 29'10" 28'4" 27'1" 26'1"

18" 18-ic-4 34'5" 32'5" 30'10" 29'5" 28'5" 34'5" 32'5" 30'10" 29'5" 28'5"

4"

8"8-ic-3 20'10" 19'8" 18'11" 17'8" 16'6" 20'10" 19'8" 18'11" 17'8" 16'6"

8-ic-4 21'11" 20'8" 19'10" 19'1" 18'5" 21'11" 20'8" 19'10" 19'1" 18'5"

10"10-ic-3 23'2" 21'11" 20'11" 20'1" 18'9" 23'2" 21'11" 20'11" 20'1" 18'9"

10-ic-4 24'6" 23'1" 22'0" 21'2" 20'6" 24'6" 23'1" 22'0" 21'2" 20'6"

12"12-ic-3 25'10" 24'4" 23'2" 22'2" 21'1" 25'10" 24'4" 23'2" 22'2" 21'1"

12-ic-4 27'5" 25'10" 24'6" 23'6" 22'8" 27'5" 25'10" 24'6" 23'6" 22'8"

14"14-ic-3 28'6" 26'8" 25'5" 24'4" 23'0" 28'6" 26'8" 25'5" 24'4" 22'2"

14-ic-4 30'2" 28'4" 26'11" 25'10" 24'11" 30'2" 28'4" 26'11" 25'10" 24'11"

16"16-ic-3 31'1" 29'2" 27'8" 26'6" 24'1" 31'1" 29'2" 27'8" 25'3" 22'2"

16-ic-4 33'1" 31'0" 29'5" 28'1" 27'1" 33'1" 31'0" 29'5" 28'1" 27'1"

18" 18-ic-4 36'0" 33'8" 31'11" 30'6" 29'4" 36'0" 33'8" 31'11" 30'6" 29'4"

5"

8"8-ic-3 21'6" 19'4" 17'8" 16'4" 15'4" 21'6" 19'4" 17'8" 16'4" 15'4"

8-ic-4 23'7" 21'7" 19'9" 18'3" 17'1" 23'7" 21'7" 19'9" 18'3" 17'1"

10"10-ic-3 24'6" 21'11" 20'1" 18'7" 17'5" 24'6" 21'11" 20'1" 18'7" 17'5"

10-ic-4 26'1" 24'7" 22'6" 20'11" 19'7" 26'1" 24'7" 22'6" 20'11" 19'7"

12"12-ic-3 27'5" 24'8" 22'7" 20'11" 19'7" 27'5" 24'8" 22'7" 20'11" 19'7"

12-ic-4 29'0" 27'4" 25'4" 23'6" 22'0" 29'0" 27'4" 25'4" 23'6" 22'0"

14"14-ic-3 30'0" 26'11" 24'7" 22'10" 21'5" 30'0" 26'11" 24'7" 22'10" 20'2"

14-ic-4 31'11" 29'11" 27'9" 25'9" 24'1" 31'11" 29'11" 27'9" 25'9" 24'1"

16"16-ic-3 32'4" 29'0" 26'6" 24'7" 21'9" 32'4" 29'0" 26'6" 23'0" 20'2"

16-ic-4 34'11" 32'7" 29'11" 27'9" 26'0" 34'11" 32'7" 29'11" 27'9" 26'0"

18" 18-ic-4 37'11" 34'10" 31'11" 29'7" 27'9" 37'11" 34'10" 31'11" 29'7" 27'9"



SPAN TABLES

6

TABLE 4. COMPOSITE SPAN TABLESOFFICE LOADING, 50 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 18'4" 17'5" 16'7" 16'0" 15'6" 18'4" 17'5" 16'7" 16'0" 15'6"

8-ic-4 19'2" 18'4" 17'6" 16'10" 16'4" 19'2" 18'4" 17'6" 16'10" 16'4"

10"10-ic-3 20'6" 19'5" 18'7" 17'11" 17'4" 20'6" 19'5" 18'7" 17'11" 17'4"

10-ic-4 21'7" 20'5" 19'7" 18'10" 18'2" 21'7" 20'5" 19'7" 18'10" 18'2"

12"12-ic-3 22'11" 21'8" 20'8" 19'11" 19'2" 22'11" 21'8" 20'8" 19'11" 19'2"

12-ic-4 24'1" 22'10" 21'10" 21'0" 20'4" 24'1" 22'10" 21'10" 21'0" 20'4"

14"14-ic-3 25'1" 23'8" 22'8" 21'10" 21'1" 25'1" 23'8" 22'8" 21'10" 21'1"

14-ic-4 26'7" 25'0" 23'11" 23'0" 22'2" 26'7" 25'0" 23'11" 23'0" 22'2"

16"16-ic-3 27'6" 25'11" 24'7" 23'8" 22'11" 27'6" 25'11" 24'7" 23'8" 22'2"

16-ic-4 29'1" 27'5" 26'1" 25'0" 24'2" 29'1" 27'5" 26'1" 25'0" 24'2"

18" 18-ic-4 31'8" 29'10" 28'4" 27'1" 26'1" 31'8" 29'10" 28'4" 27'1" 26'1"

4"

8"8-ic-3 19'5" 18'6" 17'10" 17'2" 16'6" 19'5" 18'6" 17'10" 17'2" 16'6"

8-ic-4 20'5" 19'4" 18'7" 18'0" 17'6" 20'5" 19'4" 18'7" 18'0" 17'6"

10"10-ic-3 21'6" 20'5" 19'6" 18'10" 18'4" 21'6" 20'5" 19'6" 18'10" 18'4"

10-ic-4 22'8" 21'6" 20'6" 19'8" 19'1" 22'8" 21'6" 20'6" 19'8" 19'1"

12"12-ic-3 23'11" 22'7" 21'7" 20'8" 20'0" 23'11" 22'7" 21'7" 20'8" 20'0"

12-ic-4 25'4" 23'10" 22'8" 21'11" 21'1" 25'4" 23'10" 22'8" 21'11" 21'1"

14"14-ic-3 26'2" 24'8" 23'6" 22'7" 21'10" 26'2" 24'8" 23'6" 22'7" 20'3"

14-ic-4 27'8" 26'1" 24'11" 23'11" 23'1" 27'8" 26'1" 24'11" 23'11" 23'1"

16"16-ic-3 28'6" 26'11" 25'7" 24'6" 21'10" 28'6" 26'11" 25'7" 23'1" 20'2"

16-ic-4 30'2" 28'6" 27'1" 26'0" 25'0" 30'2" 28'6" 27'1" 26'0" 25'0"

18" 18-ic-4 32'8" 30'10" 29'4" 28'0" 27'0" 32'8" 30'10" 29'4" 28'0" 27'0"

5"

8"8-ic-3 20'10" 19'4" 17'8" 16'4" 15'4" 20'10" 19'4" 17'8" 16'4" 15'4"

8-ic-4 21'10" 20'10" 19'9" 18'3" 17'1" 21'10" 20'10" 19'9" 18'3" 17'1"

10"10-ic-3 22'10" 21'8" 20'1" 18'7" 17'5" 22'10" 21'8" 20'1" 18'7" 17'5"

10-ic-4 24'0" 22'8" 21'10" 20'11" 19'7" 24'0" 22'8" 21'10" 20'11" 19'7"

12"12-ic-3 25'1" 23'8" 22'7" 20'11" 19'7" 25'1" 23'8" 22'7" 20'11" 18'7"

12-ic-4 26'6" 25'0" 23'11" 23'0" 22'0" 26'6" 25'0" 23'11" 23'0" 22'0"

14"14-ic-3 27'4" 25'10" 24'7" 22'9" 19'11" 27'4" 25'10" 24'7" 21'2" 18'7"

14-ic-4 28'11" 27'2" 26'0" 25'0" 24'1" 28'11" 27'2" 26'0" 25'0" 24'1"

16"16-ic-3 29'7" 27'11" 26'5" 22'8" 19'11" 29'7" 27'11" 24'8" 21'2" 18'7"

16-ic-4 31'5" 29'6" 28'1" 27'0" 26'0" 31'5" 29'6" 28'1" 27'0" 26'0"

18" 18-ic-4 33'11" 31'10" 30'4" 29'0" 27'9" 33'11" 31'10" 30'4" 29'0" 27'9"




7

SPAN TABLES

TABLE 5. COMPOSITE SPAN TABLESOFFICE LOADING, 50 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 19'4" 18'2" 17'5" 16'10" 16'4" 19'4" 18'2" 17'5" 16'10" 16'4"

8-ic-4 20'4" 19'2" 18'4" 17'8" 17'1" 20'4" 19'2" 18'4" 17'8" 17'1"

10"10-ic-3 21'10" 20'6" 19'6" 18'10" 18'2" 21'10" 20'6" 19'6" 18'10" 18'2"

10-ic-4 23'1" 21'10" 20'8" 19'10" 19'1" 23'1" 21'10" 20'8" 19'10" 19'1"

12"12-ic-3 24'8" 23'2" 22'0" 21'1" 20'4" 24'8" 23'2" 22'0" 21'1" 20'4"

12-ic-4 26'1" 24'7" 23'5" 22'5" 21'6" 26'1" 24'7" 23'5" 22'5" 21'6"

14"14-ic-3 27'4" 25'8" 24'5" 23'5" 22'6" 27'4" 25'8" 24'5" 23'5" 22'2"

14-ic-4 28'11" 27'2" 25'11" 24'10" 23'11" 28'11" 27'2" 25'11" 24'10" 23'11"

16"16-ic-3 29'11" 28'1" 26'8" 25'7" 24'1" 29'11" 28'1" 26'8" 25'3" 22'2"

16-ic-4 31'8" 29'10" 28'4" 27'1" 26'1" 31'8" 29'10" 28'4" 27'1" 26'1"

18" 18-ic-4 34'5" 32'5" 30'10" 29'5" 28'5" 34'5" 32'5" 30'10" 29'5" 28'5"

4"

8"8-ic-3 20'10" 19'8" 18'11" 17'8" 16'6" 20'10" 19'8" 18'11" 17'8" 16'6"

8-ic-4 21'11" 20'8" 19'10" 19'1" 18'5" 21'11" 20'8" 19'10" 19'1" 18'5"

10"10-ic-3 23'2" 21'11" 20'11" 20'1" 18'9" 23'2" 21'11" 20'11" 20'1" 18'9"

10-ic-4 24'6" 23'1" 22'0" 21'2" 20'6" 24'6" 23'1" 22'0" 21'2" 20'6"

12"12-ic-3 25'10" 24'4" 23'2" 22'2" 21'1" 25'10" 24'4" 23'2" 22'2" 20'3"

12-ic-4 27'5" 25'10" 24'6" 23'6" 22'8" 27'5" 25'10" 24'6" 23'6" 22'8"

14"14-ic-3 28'6" 26'8" 25'5" 24'4" 21'10" 28'6" 26'8" 25'5" 23'1" 20'3"

14-ic-4 30'2" 28'4" 26'11" 25'10" 24'11" 30'2" 28'4" 26'11" 25'10" 24'11"

16"16-ic-3 31'1" 29'2" 27'8" 24'10" 21'10" 31'1" 29'2" 26'10" 23'1" 20'2"

16-ic-4 33'1" 31'0" 29'5" 28'1" 27'1" 33'1" 31'0" 29'5" 28'1" 27'1"

18" 18-ic-4 36'0" 33'8" 31'11" 30'6" 29'4" 36'0" 33'8" 31'11" 30'6" 29'4"

5"

8"8-ic-3 21'6" 19'4" 17'8" 16'4" 15'4" 21'6" 19'4" 17'8" 16'4" 15'4"

8-ic-4 23'7" 21'7" 19'9" 18'3" 17'1" 23'7" 21'7" 19'9" 18'3" 17'1"

10"10-ic-3 24'6" 21'11" 20'1" 18'7" 17'5" 24'6" 21'11" 20'1" 18'7" 17'5"

10-ic-4 26'1" 24'7" 22'6" 20'11" 19'7" 26'1" 24'7" 22'6" 20'11" 19'7"

12"12-ic-3 27'5" 24'8" 22'7" 20'11" 19'7" 27'5" 24'8" 22'7" 20'11" 18'7"

12-ic-4 29'0" 27'4" 25'4" 23'6" 22'0" 29'0" 27'4" 25'4" 23'6" 22'0"

14"14-ic-3 30'0" 26'11" 24'7" 22'9" 19'11" 30'0" 26'11" 24'7" 21'2" 18'7"

14-ic-4 31'11" 29'11" 27'9" 25'9" 24'1" 31'11" 29'11" 27'9" 25'9" 24'1"

16"16-ic-3 32'4" 29'0" 26'5" 22'8" 19'11" 32'4" 29'0" 24'8" 21'2" 18'7"

16-ic-4 34'11" 32'7" 29'11" 27'9" 26'0" 34'11" 32'7" 29'11" 27'9" 26'0"

18" 18-ic-4 37'11" 34'10" 31'11" 29'7" 27'9" 37'11" 34'10" 31'11" 29'7" 27'9"



SPAN TABLES

8

TABLE 6. COMPOSITE SPAN TABLESMECHANICAL ROOM LOADING, 75 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 18'4" 17'5" 16'7" 16'0" 15'5" 18'4" 17'5" 16'7" 16'0" 15'5"

8-ic-4 19'2" 18'4" 17'6" 16'10" 16'4" 19'2" 18'4" 17'6" 16'10" 16'4"

10"10-ic-3 20'6" 19'5" 18'7" 17'11" 17'3" 20'6" 19'5" 18'7" 17'11" 17'3"

10-ic-4 21'7" 20'5" 19'7" 18'10" 18'2" 21'7" 20'5" 19'7" 18'10" 18'2"

12"12-ic-3 22'11" 21'8" 20'8" 19'10" 19'1" 22'11" 21'8" 20'8" 19'10" 17'11"

12-ic-4 24'1" 22'10" 21'10" 21'0" 20'3" 24'1" 22'10" 21'10" 21'0" 20'3"

14"14-ic-3 25'1" 23'8" 22'8" 21'8" 19'1" 25'1" 23'8" 22'8" 20'5" 17'10"

14-ic-4 26'7" 25'0" 23'11" 23'0" 22'2" 26'7" 25'0" 23'11" 23'0" 22'2"

16"16-ic-3 27'6" 25'11" 24'6" 21'9" 19'1" 27'6" 25'11" 23'9" 20'5" 17'10"

16-ic-4 29'1" 27'5" 26'1" 24'11" 23'11" 29'1" 27'5" 26'1" 24'11" 23'11"

18" 18-ic-4 31'8" 29'10" 28'4" 27'1" 26'1" 31'8" 29'10" 28'4" 27'1" 26'1"

4"

8"8-ic-3 19'5" 18'6" 17'10" 17'2" 16'6" 19'5" 18'6" 17'10" 17'2" 16'5"

8-ic-4 20'5" 19'4" 18'7" 18'0" 17'6" 20'5" 19'4" 18'7" 18'0" 17'6"

10"10-ic-3 21'6" 20'5" 19'6" 18'10" 17'8" 21'6" 20'5" 19'6" 18'10" 16'7"

10-ic-4 22'8" 21'6" 20'6" 19'8" 19'1" 22'8" 21'6" 20'6" 19'8" 19'1"

12"12-ic-3 23'11" 22'7" 21'7" 20'2" 17'8" 23'11" 22'7" 21'7" 18'11" 16'7"

12-ic-4 25'4" 23'10" 22'8" 21'11" 21'1" 25'4" 23'10" 22'8" 21'11" 21'1"

14"14-ic-3 26'2" 24'8" 23'5" 20'1" 17'8" 26'2" 24'8" 22'0" 18'11" 16'7"

14-ic-4 27'8" 26'1" 24'11" 23'11" 23'1" 27'8" 26'1" 24'11" 23'11" 23'1"

16"16-ic-3 28'6" 26'11" 23'5" 20'1" 17'7" 28'6" 26'4" 22'0" 18'11" 16'7"

16-ic-4 30'2" 28'6" 27'1" 26'0" 25'0" 30'2" 28'6" 27'1" 26'0" 25'0"

18" 18-ic-4 32'8" 30'10" 29'4" 28'0" 27'0" 32'8" 30'10" 29'4" 28'0" 25'10"

5"

8"8-ic-3 20'10" 19'4" 17'8" 16'4" 15'4" 20'10" 19'4" 17'8" 16'4" 15'4"

8-ic-4 21'10" 20'10" 19'9" 18'3" 17'1" 21'10" 20'10" 19'9" 18'3" 17'1"

10"10-ic-3 22'10" 21'8" 20'1" 18'7" 16'5" 22'10" 21'8" 20'1" 17'8" 15'6"

10-ic-4 24'0" 22'8" 21'10" 20'11" 19'7" 24'0" 22'8" 21'10" 20'11" 19'7"

12"12-ic-3 25'1" 23'8" 21'9" 18'8" 16'5" 25'1" 23'8" 20'7" 17'8" 15'5"

12-ic-4 26'6" 25'0" 23'11" 23'0" 22'0" 26'6" 25'0" 23'11" 23'0" 22'0"

14"14-ic-3 27'4" 25'10" 21'9" 18'8" 16'4" 27'4" 24'7" 20'6" 17'8" 15'5"

14-ic-4 28'11" 27'2" 26'0" 25'0" 24'1" 28'11" 27'2" 26'0" 25'0" 24'1"

16"16-ic-3 29'7" 26'0" 21'9" 18'8" 16'4" 29'7" 24'7" 20'6" 17'7" 15'5"

16-ic-4 31'5" 29'6" 28'1" 27'0" 25'6" 31'5" 29'6" 28'1" 27'0" 24'1"

18" 18-ic-4 33'11" 31'10" 30'4" 29'0" 25'6" 33'11" 31'10" 30'4" 27'5" 24'1"




9

SPAN TABLES

TABLE 7. COMPOSITE SPAN TABLESMECHANICAL ROOM LOADING, 75 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 18'9" 17'7" 16'8" 16'0" 15'5" 18'9" 17'7" 16'8" 16'0" 15'5"

8-ic-4 19'10" 18'8" 17'8" 16'11" 16'4" 19'10" 18'8" 17'8" 16'11" 16'4"

10"10-ic-3 21'1" 19'9" 18'9" 17'11" 17'3" 21'1" 19'9" 18'9" 17'11" 17'3"

10-ic-4 22'4" 20'11" 19'11" 19'0" 18'4" 22'4" 20'11" 19'11" 19'0" 18'4"

12"12-ic-3 23'5" 21'11" 20'9" 19'10" 19'1" 23'5" 21'11" 20'9" 19'10" 17'11"

12-ic-4 24'10" 23'4" 22'1" 21'1" 20'3" 24'10" 23'4" 22'1" 21'1" 20'3"

14"14-ic-3 25'7" 23'11" 22'8" 21'8" 19'1" 25'7" 23'11" 22'8" 20'5" 17'10"

14-ic-4 27'2" 25'5" 24'1" 23'0" 22'2" 27'2" 25'5" 24'1" 23'0" 22'2"

16"16-ic-3 27'8" 25'11" 24'6" 21'9" 19'1" 27'8" 25'11" 23'9" 20'5" 17'10"

16-ic-4 29'5" 27'7" 26'1" 24'11" 23'11" 29'5" 27'7" 26'1" 24'11" 23'11"

18" 18-ic-4 32'5" 30'4" 28'9" 27'5" 26'4" 32'5" 30'4" 28'9" 27'5" 26'4"

4"

8"8-ic-3 20'4" 19'2" 18'3" 17'7" 16'6" 20'4" 19'2" 18'3" 17'6" 16'5"

8-ic-4 21'5" 20'3" 19'3" 18'6" 17'11" 21'5" 20'3" 19'3" 18'6" 17'11"

10"10-ic-3 22'6" 21'2" 20'1" 19'4" 17'8" 22'6" 21'2" 20'1" 18'11" 16'7"

10-ic-4 23'10" 22'5" 21'3" 20'5" 19'8" 23'10" 22'5" 21'3" 20'5" 19'8"

12"12-ic-3 24'8" 23'2" 22'0" 20'2" 17'8" 24'8" 23'2" 22'0" 18'11" 16'7"

12-ic-4 26'2" 24'7" 23'4" 22'4" 21'6" 26'2" 24'7" 23'4" 22'4" 21'6"

14"14-ic-3 26'9" 25'1" 23'5" 20'1" 17'8" 26'9" 25'1" 22'0" 18'11" 16'7"

14-ic-4 28'5" 26'8" 25'4" 24'2" 23'3" 28'5" 26'8" 25'4" 24'2" 23'3"

16"16-ic-3 28'10" 27'0" 23'5" 20'1" 17'7" 28'10" 26'4" 22'0" 18'11" 16'7"

16-ic-4 30'8" 28'9" 27'3" 26'0" 25'0" 30'8" 28'9" 27'3" 26'0" 25'0"

18" 18-ic-4 33'7" 31'6" 29'10" 28'6" 27'4" 33'7" 31'6" 29'10" 28'6" 25'10"

5"

8"8-ic-3 21'6" 19'4" 17'8" 16'4" 15'4" 21'6" 19'4" 17'8" 16'4" 15'4"

8-ic-4 23'3" 21'7" 19'9" 18'3" 17'1" 23'3" 21'7" 19'9" 18'3" 17'1"

10"10-ic-3 24'1" 21'11" 20'1" 18'7" 16'5" 24'1" 21'11" 20'1" 17'8" 15'6"

10-ic-4 25'5" 24'0" 22'6" 20'11" 19'7" 25'5" 24'0" 22'6" 20'11" 19'7"

12"12-ic-3 26'2" 24'8" 21'9" 18'8" 16'5" 26'2" 24'7" 20'7" 17'8" 15'5"

12-ic-4 27'8" 26'1" 24'10" 23'6" 22'0" 27'8" 26'1" 24'10" 23'6" 22'0"

14"14-ic-3 28'2" 26'1" 21'9" 18'8" 16'4" 28'2" 24'7" 20'6" 17'8" 15'5"

14-ic-4 29'10" 28'0" 26'8" 25'7" 24'1" 29'10" 28'0" 26'8" 25'7" 24'1"

16"16-ic-3 30'1" 26'0" 21'9" 18'8" 16'4" 30'1" 24'7" 20'6" 17'7" 15'5"

16-ic-4 31'11" 30'0" 28'6" 27'3" 25'6" 31'11" 30'0" 28'6" 27'3" 24'1"

18" 18-ic-4 34'10" 32'8" 31'0" 29'1" 25'6" 34'10" 32'8" 31'0" 27'5" 24'1"



SPAN TABLES

10

TABLE 8. COMPOSITE SPAN TABLESASSEMBLY LOADING, 100 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 18'4" 17'5" 16'7" 16'0" 15'3" 18'4" 17'5" 16'7" 15'9" 14'10"

8-ic-4 19'2" 18'4" 17'6" 16'10" 16'4" 19'2" 18'4" 17'6" 16'10" 16'4"

10"10-ic-3 20'6" 19'5" 18'7" 17'11" 15'10" 20'6" 19'5" 18'7" 17'1" 15'0"

10-ic-4 21'7" 20'5" 19'7" 18'10" 18'2" 21'7" 20'5" 19'7" 18'10" 18'2"

12"12-ic-3 22'11" 21'8" 20'8" 18'1" 15'10" 22'11" 21'8" 19'11" 17'1" 15'0"

12-ic-4 24'1" 22'10" 21'10" 21'0" 20'3" 24'1" 22'10" 21'10" 21'0" 20'3"

14"14-ic-3 25'1" 23'8" 21'0" 18'1" 15'10" 25'1" 23'8" 19'11" 17'1" 15'0"

14-ic-4 26'7" 25'0" 23'11" 23'0" 22'2" 26'7" 25'0" 23'11" 23'0" 22'2"

16"16-ic-3 27'6" 25'2" 21'0" 18'1" 15'10" 27'6" 23'10" 19'11" 17'1" 14'11"

16-ic-4 29'1" 27'5" 26'1" 24'11" 23'11" 29'1" 27'5" 26'1" 24'11" 23'4"

18" 18-ic-4 31'8" 29'10" 28'4" 27'1" 24'8" 31'8" 29'10" 28'4" 26'7" 23'4"

4"

8"8-ic-3 19'5" 18'6" 17'9" 16'6" 14'10" 19'5" 18'6" 17'4" 16'1" 14'1"

8-ic-4 20'5" 19'4" 18'7" 18'0" 17'2" 20'5" 19'4" 18'7" 17'10" 16'8"

10"10-ic-3 21'6" 20'5" 19'6" 16'11" 14'10" 21'6" 20'5" 18'8" 16'1" 14'1"

10-ic-4 22'8" 21'6" 20'6" 19'8" 19'1" 22'8" 21'6" 20'6" 19'8" 18'7"

12"12-ic-3 23'11" 22'7" 19'8" 16'11" 14'10" 23'11" 22'5" 18'8" 16'0" 14'1"

12-ic-4 25'4" 23'10" 22'8" 21'11" 21'1" 25'4" 23'10" 22'8" 21'11" 20'10"

14"14-ic-3 26'2" 23'7" 19'8" 16'11" 14'10" 26'2" 22'4" 18'8" 16'0" 14'0"

14-ic-4 27'8" 26'1" 24'11" 23'11" 23'1" 27'8" 26'1" 24'11" 23'11" 21'11"

16"16-ic-3 28'6" 23'6" 19'8" 16'10" 14'9" 27'10" 22'4" 18'8" 16'0" 14'0"

16-ic-4 30'2" 28'6" 27'1" 26'0" 23'1" 30'2" 28'6" 27'1" 25'0" 21'11"

18" 18-ic-4 32'8" 30'10" 29'4" 26'3" 23'0" 32'8" 30'10" 29'1" 24'11" 21'10"

5"

8"8-ic-3 20'10" 19'4" 17'8" 15'11" 13'11" 20'10" 19'3" 17'7" 15'2" 13'3"

8-ic-4 21'10" 20'10" 19'9" 18'3" 17'1" 21'10" 20'10" 19'6" 18'1" 16'11"

10"10-ic-3 22'10" 21'8" 18'6" 15'11" 13'11" 22'10" 21'1" 17'7" 15'1" 13'3"

10-ic-4 24'0" 22'8" 21'10" 20'6" 19'3" 24'0" 22'8" 21'7" 20'0" 18'9"

12"12-ic-3 25'1" 22'2" 18'6" 15'10" 13'11" 25'1" 21'1" 17'7" 15'1" 13'3"

12-ic-4 26'6" 25'0" 23'11" 22'11" 21'6" 26'6" 25'0" 23'11" 22'4" 20'8"

14"14-ic-3 27'4" 22'2" 18'6" 15'10" 13'11" 26'3" 21'1" 17'7" 15'1" 13'3"

14-ic-4 28'11" 27'2" 26'0" 24'9" 21'8" 28'11" 27'2" 26'0" 23'7" 20'8"

16"16-ic-3 27'7" 22'1" 18'6" 15'10" 13'11" 26'3" 21'1" 17'7" 15'1" 13'3"

16-ic-4 31'5" 29'6" 28'1" 24'9" 21'8" 31'5" 29'6" 27'5" 23'6" 20'7"

18" 18-ic-4 33'11" 31'10" 28'9" 24'8" 21'8" 33'11" 31'10" 27'4" 23'6" 20'7"




11

SPAN TABLES

TABLE 9. COMPOSITE SPAN TABLESASSEMBLY LOADING, 100 PSF LIVE LOAD


Slab Depth





3"

8"8-ic-3 18'9" 17'7" 16'8" 16'0" 15'3" 18'9" 17'7" 16'8" 15'9" 14'10"

8-ic-4 19'10" 18'8" 17'8" 16'11" 16'4" 19'10" 18'8" 17'8" 16'11" 16'4"

10"10-ic-3 21'1" 19'9" 18'9" 17'11" 15'10" 21'1" 19'9" 18'9" 17'1" 15'0"

10-ic-4 22'4" 20'11" 19'11" 19'0" 18'4" 22'4" 20'11" 19'11" 19'0" 18'4"

12"12-ic-3 23'5" 21'11" 20'9" 18'1" 15'10" 23'5" 21'11" 19'11" 17'1" 15'0"

12-ic-4 24'10" 23'4" 22'1" 21'1" 20'3" 24'10" 23'4" 22'1" 21'1" 20'3"

14"14-ic-3 25'7" 23'11" 21'0" 18'1" 15'10" 25'7" 23'10" 19'11" 17'1" 15'0"

14-ic-4 27'2" 25'5" 24'1" 23'0" 22'2" 27'2" 25'5" 24'1" 23'0" 22'2"

16"16-ic-3 27'8" 25'2" 21'0" 18'1" 15'10" 27'8" 23'10" 19'11" 17'1" 14'11"

16-ic-4 29'5" 27'7" 26'1" 24'11" 23'11" 29'5" 27'7" 26'1" 24'11" 23'4"

18" 18-ic-4 32'5" 30'4" 28'9" 27'5" 24'8" 32'5" 30'4" 28'9" 26'7" 23'4"

4"

8"8-ic-3 20'4" 19'2" 17'9" 16'6" 14'10" 20'4" 18'11" 17'4" 16'1" 14'1"

8-ic-4 21'5" 20'3" 19'3" 18'3" 17'2" 21'5" 20'3" 19'2" 17'10" 16'8"

10"10-ic-3 22'6" 21'2" 19'8" 16'11" 14'10" 22'6" 21'0" 18'8" 16'1" 14'1"

10-ic-4 23'10" 22'5" 21'3" 20'4" 19'1" 23'10" 22'5" 21'3" 19'10" 18'7"

12"12-ic-3 24'8" 23'2" 19'8" 16'11" 14'10" 24'8" 22'5" 18'8" 16'0" 14'1"

12-ic-4 26'2" 24'7" 23'4" 22'4" 21'4" 26'2" 24'7" 23'4" 22'2" 20'10"

14"14-ic-3 26'9" 23'7" 19'8" 16'11" 14'10" 26'9" 22'4" 18'8" 16'0" 14'0"

14-ic-4 28'5" 26'8" 25'4" 24'2" 23'1" 28'5" 26'8" 25'4" 24'2" 21'11"

16"16-ic-3 28'10" 23'6" 19'8" 16'10" 14'9" 27'10" 22'4" 18'8" 16'0" 14'0"

16-ic-4 30'8" 28'9" 27'3" 26'0" 23'1" 30'8" 28'9" 27'3" 25'0" 21'11"

18" 18-ic-4 33'7" 31'6" 29'10" 26'3" 23'0" 33'7" 31'6" 29'1" 24'11" 21'10"

5"

8"8-ic-3 21'6" 19'4" 17'8" 15'11" 13'11" 21'5" 19'3" 17'7" 15'2" 13'3"

8-ic-4 23'3" 21'7" 19'9" 18'3" 17'1" 23'3" 21'3" 19'6" 18'1" 16'11"

10"10-ic-3 24'1" 21'9" 18'6" 15'11" 13'11" 23'8" 21'1" 17'7" 15'1" 13'3"

10-ic-4 25'5" 24'0" 22'1" 20'6" 19'3" 25'5" 23'6" 21'7" 20'0" 18'9"

12"12-ic-3 26'2" 22'2" 18'6" 15'10" 13'11" 26'2" 21'1" 17'7" 15'1" 13'3"

12-ic-4 27'8" 26'1" 24'8" 22'11" 21'6" 27'8" 26'1" 24'1" 22'4" 20'8"

14"14-ic-3 27'7" 22'2" 18'6" 15'10" 13'11" 26'3" 21'1" 17'7" 15'1" 13'3"

14-ic-4 29'10" 28'0" 26'8" 24'9" 21'8" 29'10" 28'0" 26'4" 23'7" 20'8"

16"16-ic-3 27'7" 22'1" 18'6" 15'10" 13'11" 26'3" 21'1" 17'7" 15'1" 13'3"

16-ic-4 31'11" 30'0" 28'6" 24'9" 21'8" 31'11" 30'0" 27'5" 23'6" 20'7"

18" 18-ic-4 34'10" 32'8" 28'9" 24'8" 21'8" 34'10" 32'8" 27'4" 23'6" 20'7"



SPAN TABLES

12

TABLE 10. COMPOSITE SPAN TABLESROOF LOADING

3" Slab 3" Slab + 3" Topping For Roof Slope


20 psf Snow Load / 20 psf Superimposed Dead Load

20 psf Snow Load / 57.5 psf Superimposed Dead Load


8"8-ic-3 25'3" 22'8" 20'9" 19'3" 18'0" 23'4" 21'11" 20'9" 19'3" 18'0"

8-ic-4 28'2" 25'4" 23'2" 21'6" 20'2" 24'8" 23'3" 22'1" 21'2" 20'2"

10"10-ic-3 28'9" 25'9" 23'7" 21'11" 20'6" 26'3" 24'7" 23'4" 21'10" 20'6"

10-ic-4 32'2" 28'10" 26'5" 24'6" 23'0" 27'10" 26'1" 24'9" 23'8" 22'8"

12"12-ic-3 32'3" 28'11" 26'6" 24'7" 23'0" 29'2" 27'4" 25'11" 24'7" 22'10"

12-ic-4 36'1" 32'6" 29'9" 27'7" 25'10" 30'11" 29'0" 27'6" 26'4" 25'3"

14"14-ic-3 35'2" 31'7" 28'11" 26'10" 25'2" 31'10" 29'10" 28'3" 26'1" 22'10"

14-ic-4 39'5" 35'6" 32'6" 30'2" 28'4" 33'10" 31'9" 30'1" 28'9" 27'7"

16"16-ic-3 37'10" 34'0" 31'2" 28'11" 27'1" 34'6" 32'4" 30'3" 26'0" 22'10"

16-ic-4 42'6" 38'3" 35'1" 32'7" 30'6" 36'8" 34'4" 32'7" 31'1" 29'10"

18" 18-ic-4 45'4" 40'10" 37'5" 34'9" 32'7" 40'4" 37'10" 35'10" 34'2" 32'7"






8"8-ic-3 25'3" 22'8" 20'9" 19'3" 18'0" 22'5" 21'1" 20'0" 18'7" 17'5"

8-ic-4 28'2" 25'4" 23'2" 21'6" 20'2" 23'9" 22'4" 21'2" 20'4" 19'4"

10"10-ic-3 28'9" 25'9" 23'7" 21'11" 20'6" 25'2" 23'8" 22'5" 20'10" 19'6"

10-ic-4 32'2" 28'10" 26'5" 24'6" 23'0" 26'9" 25'1" 23'10" 22'9" 21'7"

12"12-ic-3 32'3" 28'11" 26'6" 24'7" 23'0" 28'0" 26'3" 24'10" 23'6" 20'9"

12-ic-4 35'10" 32'6" 29'9" 27'7" 25'10" 29'9" 27'11" 26'5" 25'3" 24'3"

14"14-ic-3 35'2" 31'7" 28'11" 26'10" 25'2" 30'7" 28'8" 27'2" 23'8" 20'9"

14-ic-4 39'2" 35'6" 32'6" 30'2" 28'4" 32'6" 30'6" 28'10" 27'7" 26'6"

16"16-ic-3 37'10" 34'0" 31'2" 28'11" 27'1" 33'2" 31'0" 27'7" 23'8" 20'9"

16-ic-4 42'6" 38'3" 35'1" 32'7" 30'6" 35'3" 33'0" 31'3" 29'10" 28'8"

18" 18-ic-4 45'4" 40'10" 37'5" 34'9" 32'7" 38'9" 36'4" 34'5" 32'10" 31'6"




13

SPAN TABLES

TABLE 10. COMPOSITE SPAN TABLES (continued)ROOF LOADING






8"8-ic-3 25'3" 22'8" 20'9" 19'3" 18'0" 21'7" 20'4" 19'2" 17'10" 16'8"

8-ic-4 26'11" 25'3" 23'2" 21'6" 20'2" 22'11" 21'6" 20'5" 19'7" 18'6"

10"10-ic-3 28'7" 25'9" 23'7" 21'11" 20'6" 24'4" 22'10" 21'6" 19'11" 18'8"

10-ic-4 30'4" 28'5" 26'5" 24'6" 23'0" 25'9" 24'2" 23'0" 22'0" 20'8"

12"12-ic-3 31'9" 28'11" 26'6" 24'7" 23'0" 27'0" 25'4" 24'0" 21'9" 19'1"

12-ic-4 33'9" 31'7" 29'9" 27'7" 25'10" 28'8" 26'11" 25'6" 24'4" 23'4"

14"14-ic-3 34'8" 31'7" 28'11" 26'10" 25'2" 29'6" 27'8" 25'4" 21'9" 19'1"

14-ic-4 36'10" 34'7" 32'6" 30'2" 28'4" 31'4" 29'5" 27'10" 26'7" 25'7"

16"16-ic-3 37'7" 34'0" 31'2" 28'11" 25'8" 32'0" 29'11" 25'3" 21'9" 19'0"

16-ic-4 40'0" 37'5" 35'1" 32'7" 30'6" 34'0" 31'10" 30'2" 28'9" 27'8"

18" 18-ic-4 43'11" 40'10" 37'5" 34'9" 32'7" 37'5" 35'0" 33'2" 31'8" 29'7"






8"8-ic-3 23'7" 22'2" 20'9" 19'3" 18'0" 20'11" 19'8" 18'5" 17'1" 16'1"

8-ic-4 25'0" 23'6" 22'4" 21'4" 20'2" 22'2" 20'10" 19'9" 18'11" 17'9"

10"10-ic-3 26'6" 24'11" 23'7" 21'11" 20'6" 23'6" 22'1" 20'8" 19'2" 17'7"

10-ic-4 28'2" 26'5" 25'1" 24'0" 22'10" 24'11" 23'5" 22'3" 21'2" 19'11"

12"12-ic-3 29'6" 27'7" 26'2" 24'7" 23'0" 26'2" 24'6" 23'3" 20'1" 17'7"

12-ic-4 31'4" 29'4" 27'10" 26'7" 25'7" 27'9" 26'0" 24'8" 23'7" 22'5"

14"14-ic-3 32'3" 30'2" 28'7" 26'4" 23'1" 28'7" 26'9" 23'4" 20'1" 17'7"

14-ic-4 34'3" 32'1" 30'5" 29'0" 27'11" 30'4" 28'5" 26'11" 25'9" 24'8"

16"16-ic-3 34'11" 32'8" 30'8" 26'4" 23'1" 30'11" 27'11" 23'4" 20'1" 17'7"

16-ic-4 37'1" 34'9" 32'11" 31'5" 30'2" 32'11" 30'10" 29'2" 27'10" 26'9"

18" 18-ic-4 40'9" 38'3" 36'2" 34'7" 32'7" 36'2" 33'11" 32'1" 30'8" 27'4"



SPAN TABLES

14

NOTES

1 Spansbasedonthefollowingcriteria:a) Spansarebasedoncentertocenterofbearingassuming3"bearingbothsidesb) Strengthc) Deflection i) LiveloaddeflectionlimitedtoL/480forfloorsexceptfor100psfLiveLoad,whereliveloaddeflectionis limitedtoL/360 ii) LiveloaddeflectionlimitedtoL/360forroofs iii)TotalloaddeflectionlimitedtoL/240d) Vibration,seenote2e) ConstructionLoads,seenote3

2Listedspansarebasedonconservativeanalysisforvibrationconsideration:a)Vibrationanalysiswasperformedwithfollowingassumptions: i) Spanslistedunder“OPENAREAS—NOPARTITIONS”areforfloorswithoutfullheightnon-load bearingpartitionsonthefloor. Spanslistedunder“FULLHEIGHTPARTITIONS”areforfloorswithfullheightnon-loadbearing partitionsonthefloor. Note,whilepartitionwallsareassumedtobenon-loadbearing,theywillhavesignificantimpactonthe spansasshown. ii) Floorwidthassumedtobe35'(directionperpendiculartothejoist).Widerornarrowerfloorwidths,as wellasdifferentboundaryconditions,canimpactfloorvibrationperformance,contactiSPANSystems LPforfurtherinfo. iii)Joistsaresupportedbywallsateachend.Introductionofbeamsupportscanimpactthevibration performanceofafloorandrequireprojectspecificanalysis.ContactiSPANSystemsLPforspans supportedbysteelbeamsand/orgirders. iv)Vibrationanalysisbasedonwalkingexcitationsinresidentialorofficeareas.Forareaswhererhythmic activitymayoccur,suchasaerobicsstudios,contactiSPANSystemsLP.b) ContactiSPANSystemsLPforadetailedanalysisinordertofindsolutionsforincreasingspansor modifyingjoistspacing.

3FloorshavebeencheckedforconstructionloadsbasedonCSSBI12M-17anddonotrequireshoringduringconcreteplacement.

4Deadloadsshownaresuperimposedandareinadditiontotheselfweightofthefloor.

HOW TO USE COMPOSITE SPAN TABLES1. Determineliveanddeadloads.2. Startatthelargestacceptablespacing.3. Scantabletofindaspanthatisequaltoorgreaterthanthedesiredspan.4. SelecttheTotalJoist.See example on page 27 for more guidance.

SPAN = Joist Length - N

Joist Length

Bearing Length, N



15

SPAN TABLES

TABLE 11. COMPOSITE SPAN TABLESRESIDENTIAL GARAGE LOADING

MAX. SPANS ARE BASED ON THE FOLLOWING:

1 Load for light passenger vehicles not exceeding 8,800 lbs (4000 kg):

a) 50 psf (2.4 kPa) uniform live load

b) 4,050 lbs (18 kN) point load at midspan on single joist

c) a & b are not considered concurrently

2 Based on the following deflection limitations:

a) Live load deflection limit for uniform load of L/480

b) Total load deflection limit for uniform load of L/300

c) Live load deflection limit for point load of L/420

d) Total load deflection limit for point load of L/260

3 Calculation in accordance with the NBCC 2010.


CompositeTotalJoist

Joist Spacing Concrete Slab Thickness Max Span

8-ic-4

24" o.c.4" w/ 6 x 6 6/6 WeldedWire Mesh

16' 2"

10-ic-4 18' 11"

16-ic-4 27' 6"

12-ic-4

14-ic-4

21' 10"

24' 8"

SPAN TABLES

16

The Composite TotalJoist is comprised of:1. TotalJoist2. Total-Lewis-Deck3. Concrete Slab

4. Welded Wire Mesh5. Bridging and Cross-Bridging

1. DESCRIPTION

Duringconstruction(non-compositestage),theTotalJoistmustfullysupportalldeadloadsandconstructionliveloads.ThejoistsaredesignedinaccordancewithCSAS136-12andloadingguidancehasbeentakenfromCSSBI12M-17(seebelowfordetails).

Inservice,theTotalJoistactsinfullcompositeactionasaresultofastrongconnectionbetweentheconcreteslabandthejoistviatheTotal-Lewis-Deckcombinedwithstronghorizontalendrestraintviathejoistshoe.Inthetransversedirection,theslabisconsideredtobeaone-wayslabsupportedoneachjoist.

Fig. 1. Composite TotalJoist Components

Fig. 2. Design Approach

One-wayslabintranversedirection

TotalJoist

5

4

2

Support

Total-Lewis-Deck

CompositeTotalJoist



1

3

17

SPAN TABLES

2. DESIGN FOR CONSTRUCTION (NON-COMPOSITE DESIGN)

2.1 GENERALIntheconstructionstage,theTotalJoistandTotal-Lewis-Deckactaspermanentformwork.ThedeadloadsandconstructionliveloadsmustbesupportedbytheTotalJoistwithoutconsiderationofanycompositeaction.CompositeTotalJoistsaredesignedtobeunshoredduringconstruction.CompositeTotalJoistscomecamberedtoreducethepermanentcurvatureinthefloorfollowingthepour.BecauseCompositeTotalJoistsarecambered,theunshoredspanislimitedbystrengthconsiderationsonly.Thenon-compositejoistpropertiesaretabulatedinTable 12.

TABLE 12. NON-COMPOSITE JOIST PROPERTIES

Joist Depth

TotalJoist

Gross Properties TorsionalEffective

PropertiesFactored

Weight(plf)

Area(in2)

Ix(in4)

rx(in)

Sx(in3)

J (x10-3 in4)

Cw(in6)

Ixd(in4)

Sxe(in3)

Mr(k-ft)

Vr(kip)

Vrh(kip)

8"8-ic-3 4.52 1.18 11.6 3.14 2.91 1.42 2.69 11.6 2.84 12.8 6.89 4.82

8-ic-4 5.58 1.46 14.2 3.13 3.56 2.73 3.41 14.2 3.56 16.0 10.8 7.54

10"10-ic-3 4.87 1.27 19.4 3.91 3.89 1.53 4.12 19.3 3.67 16.5 6.89 4.82

10-ic-4 6.01 1.57 23.8 3.89 4.76 2.94 5.21 23.8 4.64 20.9 10.8 7.54

12"12-ic-3 5.44 1.42 30.5 4.63 5.08 1.71 6.13 29.8 4.64 20.9 6.89 4.82

12-ic-4 6.73 1.76 37.4 4.61 6.23 3.30 7.78 36.9 5.90 26.5 10.8 7.54

14"14-ic-3 5.90 1.54 44.1 5.35 6.29 1.85 8.38 42.5 5.55 25.0 6.89 4.82

14-ic-4 7.30 1.91 54.1 5.33 7.73 3.58 10.6 52.7 7.07 31.8 10.8 7.54

16"16-ic-3 6.36 1.66 60.7 6.04 7.59 1.99 11.0 57.5 6.45 29.0 6.89 4.82

16-ic-4 7.88 2.06 74.6 6.02 9.33 3.86 13.9 71.7 8.24 37.1 10.8 7.54

18" 18-ic-4 8.45 2.21 99.2 6.71 11.0 4.14 17.7 93.8 9.41 42.3 10.8 7.54

NOTATION

Ix momentofinertiaaboutstrongaxis

rx radiusofgyrationaboutstrongaxis

Sx sectionmodulusaboutstrongaxis

J torsionalconstant

Cw warpingconstant

Ixd momentofinertiafordeflectioncalculation

Sxe effectivesectionmodulus

Mr factoredflexuralstrength

Vr factoredshearstrengthatgrosssection(solidweb)

Vrh factoredshearstrengthatnetsection(holelocation)

NOTES

• AllsteelisASTMA653Grade60

• CalculatedinaccordancewithCSAS136-12NorthAmericanSpecificationfortheDesignofCold-FormedSteelStructuralMembers,LoadandResistanceFactorDesign(LRFD)

• UseIxdforcalculatingdeflections.


SPAN TABLES

18

2.2 LOADING2.2.1 DECK DESIGN FOR CONSTRUCTIONDuringconstruction,thesteeldeckoftheCompositeTotalJoistisusedasastay-in-placeformdeckandisdesignedinaccordancewithCSSBI12M-06.CSSBIrecommendedloadsandloadcasesareshowninTable 13.

TABLE 13. CONSTRUCTION LOADING ON DECK AS PER SDI NC-1.0

Bending Moments Deflection

Simple Span Condition

+M = 0.25Pl + 0.125W1P l2

+M = 0.125(W1P + W2 )l 2

Double Span Condition

+M = 0.203Pl + 0.096W1 l 2

+M=0.096(W1 + W2 )l 2

–M=0.125(W1 + W2 )l 2

Triple Span Condition

+M=0.20Pl+0.094W1Sl 2

+M=0.094(W1 + W2 )l 2

–M=0.117(W1 + W2 )l 2

∆ = 0.53 (5W1 l 4)

384EI

∆ = 0.42 (5W1 l 4)

384EI

∆ = (5W1 l 4)

384EI

l l l

l l

lW1

W1

W1

W1P

W2

W1P

l l l

l l

l l l

l l

l l

l

l

P

P

P

l l l

W1P

W2

W1

W2

W

W2

W1

W2

W1

W1

W2

W1

NOTATION LRFD Load Factors

P =150lbs/ftconcreteload 1.25

I =deckmomentofinertia

W1 =slabweight+deckweight 1.25

W2 =20psfconstructionload 1.50

NOTES

• CSSBI12M-17limitsthedeflectioncausedbythewetconcreteandtheweightofthesteeldeck(W1)tothelesserofL/180or3/4".

E =29,500psi

l =joistspan

W1P =1.5xW1≤W1+30psf



19

SPAN TABLES

TABLE 14. CONSTRUCTION LOADING ON JOIST

Bending Moments And Shear Values Deflection

Simple Span Condition

+M = 0.25Pl + 0.125W1P l2

V=0.50P + 0.50W1 l

+M = 0.125(W1P + W2 )l 2

V=0.50(W1 + W2 )l

Double Span Condition

+M = 0.203Pl + 0.096W1 l 2

V=0.594P + 0.562W1 l

+M=0.096(W1 + W2 )l 2

V=0.562(W1 + W2 )l

–M=0.125(W1 + W2 )l 2

V=0.625(W1 + W2 )l

∆ = 0.42 (5W1 l 4)

384EI

∆ = (5W1 l 4)

384EI

l l

l

W1

W1

W1P

W2

W1P

W1

W2

W1

W2

W1

l l

l l

l l

l

l

P

P

NOTATION LRFD Load Factors

P =150/ftlbsconcreteload 1.25

I =joistmomentofinertia

W1 =slabweight+deckweight+joistwieght 1.25

W2 =20psfconstructionload 1.50

E =29,500psi

l =joistspan

2.2.2 JOIST DESIGN FOR CONSTRUCTIONCompositeTotalJoistaredesignedsimilartothedeckduringtheconstructionphase.However,duetothesignificantlylargertributaryareaofajoistwithrespecttothedeck,thefactorof1.5appliedtosimplespansofdeckisnotrequired.Further,shearmustalsobetakenintoconsideration.TherelevantparametersaresummarizedinTable 14.

NOTES

• CompositeTotalJoistsarecamberedtoreducethefinalcamberafterthepour,nodeflectionlimitationsarerequiredduringtheconstructionphase.


SPAN TABLES

20

3. DESIGN FOR SERVICE LIFE (COMPOSITE DESIGN)

3.1 GENERALTheCompositeTotalJoistisdesignedinaccordancewithCSAS16-09.CompositeactionisachievedusingtheTotal-Lewis-Deckincombinationwiththehorizontalendrestraintfromthejoistshoes.Inthetransversedirection,theslabisdesignedasaconventionalonewayslabinaccordancewithCSAA23.3-04.

3.2 SLAB DESIGN3.2.1 LOADINGTheslabisloadedwithauniformlydistributedloadspecifiedforthegivenoccupancy(inaccordancewiththeNationalBuildingCodeofCanada(NBCC),anysuperimposeddeadload,aswellastheself-weightoftheslabitself.ArequirementoftheNBCCistoconsiderpartialloading.However,asnotedinSDIC–2011,mostslabsareconsideredassimplespansanditisassumedthatacontinuousspancracksovereachjoistandtheloadiscarriedonaseriesofsimplespans.Basedonthisassumption,thedesignmomentfortheslabis:

Where,

w =uniformloadonunitofslab([lbs/ft]/[ftwidth])

l =joistspacing

3.2.2 ONE WAY SLAB DESIGN MOMENTTheslabisdesignedusingconventionalultimatestrengthdesignprinciplesinaccordancewithCSAA23.3-04.Accordingly,thedesignmomentoftheslabcanbecalculatedas:

M = wl 2

8

A s

b

dMd = ϕAs fy(d – a ⁄2 )

Where,

ϕ =strengthreductionfactor=0.90

As =areaofweldedwiremesh(in2/ftwidth)

fy =yieldstrengthofweldedwiremesh(60,000psi)

fc' =compressivestrengthofconcrete(3,000psi)

d =distancefromextremecompressionfiberto centroidofweldedwiremesh(seeFigure3)

b =unitslabwidth=12"

a = As fy

0 .85fc' b

Fig. 3. Slab Design



21

SPAN TABLES

TABLE 15. EFFECTIVE DEPTHS FOR SLAB DESIGN

Total Slab Depth Effective Depth, d

3" 2.30"

4" 3.30"

5" 4.30"

Regardlessoftheamountofsteelrequiredtoachievetherequireddesignmoment,aminimumareaofsteelof0.00075timestheareaoftheconcreteabovethedeck(perfootofwidth),butnotlessthantheareaprovidedby6x6-W1.4xW1.4(6x610/10)weldedwiremeshisrequiredinaccordancewithANSI/SDIC-2017.Fortypicalloads,thecompositeTotal-LewisDeckprovidestherequiredreinforcingandmacro-syntheticfibersmaybeusedasanalternatetoweldedwiremesh.

AquickreferencetableformaximumnominalliveloadsisprovidedinTable 16.Note,themaximumloadsgivenmayexceedthemaximumloadonthecompositejoistforanygivenspan.Theminimumofthecompositejoistloadandtheslabloadgovernsthemaximumloadonthefloor.

TABLE 16. MAXIMUM NOMINAL LIVE LOAD ON SLAB

Slab Depth

SlabWeight(psf)

Mesh Size

Maximum Nominal Live Loadon slab (psf) based on joist spacing

24" o.c. 36" o.c. 48" o.c.

3 33

6x610/10 306 138 65

6x68/8 306 213 107

6x66/6 306 306 160

6x64/4 306 306 229

4 46

6x68/8 295 295 158

6x66/6 295 295 235

6x64/4 295 295 295

5 586x66/6 285 285 285

6x64/4 285 285 285

NOTES

• Checkloadversussafeloadonthecompositejoist

• Tousethetable,theappliedliveload(LL)anddeadload(DL)mustbelessthanthenominalload(NL)listed:

• (1.25/1.50xDL)+LL≤NL

• Conservatively,DL+LL≤NL

NOTES• Table15isbasedonadepthofsteeldeckof0.70"


SPAN TABLES

22

3.2.3 ONE WAY SLAB DESIGN SHEARInaccordancewithACI318theshearstrengthprovidedbytheslabis:

Givenaliveloadfactorof1.60andadeadloadfactorof1.20,andfora3"slabwithjoistsat48"o.c.,themaximumspecifiedliveloadbasedonshearwouldbe344psf.

3.2.4 ONE WAY SLAB DEFLECTIONInaccordancewithACI318,ifaslabthicknessisgreaterthanthejoistspacingdividedby20,deflectionneednotbechecked.Accordingly,basedonamaximumjoistspacingof48"o.c.,deflectionoftheslabonlyneedstobeconsideredwhenitis2-3/4"thickorless.Inthosecases,deflectionoftheslabcanbecalculatedinaccordancewithACI318asfollows:

Where,

Note,theusercanrefertoACI318forfurtherexplanationofcalculatingtheeffectivemomentofinertia.Deflectionrarelygovernstheslabdesign.

Vc = (1 + )0.19λϕ c√ fc'

∆ = 5wL 4

384EIe

Ie = ( )3

Ig + [1 – ( )3] Icr

Mcr

Ma

Mcr

Ma

Fig. 4. Slab Shear2

ß c



23

SPAN TABLES

3.3 COMPOSITE TOTALJOIST DESIGN

3.3.1 GENERALCompositeTotalJoistproperties(MrcandIxc)arepresentedinTable 1.SpantablesarepresentedinTables 2to10.

3.3.2 FLEXURAL DESIGNCompositeTotalJoistisdesignedfollowingCSAS16-09.ThebehavioroftheCompositeTotalJoistissimilartothatofasteelbeamwithheadedstudsincompositeactionwithaconcreteslab.AsshowninFigure5,atultimateloadfailureisinitiatedbyyieldingofthesteeljoist.Atthispoint,thecompressivestrainsintheconcretearenon-linearalongthedepthoftheslab.ThetotalcompressivestressisapproximatedusingthetraditionalWhitneystressblock(0.85fc' ).EquatingtheresultanttensileandcompressiveforcesleadstothedeterminationofthedepthoftheWhitneystressblockandultimatelythedesignmoment:

Mrc = ϕAs j fy(d c – a ⁄ 2 )

Where,

ϕ =strengthreductionfactor=0.90

Asj =effectiveareaofsteelareaofjoist(in2)

fy =yieldstrengthofsteel(50,000psi)

fc' =compressivestrengthofconcrete(3,000psi)

dc =distancefromextremecompressionfibertoresultanttensionforce

be =effectivewidthofconcreteslab=joistspacing

a = As fy

0 . 8 5 fc' be

Fig. 5. Composite TotalJoist Design

be

dc

C

Compressionstrain

Tensilestrength

Whitneystressblock

T


SPAN TABLES

24

3.3.3 COMPOSITE ACTIONInordertoachievefullcompositeaction,sufficientslabrestraintagainstdislodgmentmustbeprovidedbetweentheTotalJoistandtheconcreteslab.SufficientrestraintisprovidedbytheCompositeTotalJoistbytwomeans,(1)theTotal-Lewis-Deckfastenedtothetopchordofthejoistalongthelength,and(2)horizontalendrestraintprovidedbythejoistshoeateitherend.DuetotheanchorageoftheTotal-Lewis-Deck,theCompositeTotalJoistdoesnotrelyon“shearbond”orfrictionbetweentheslabandthejoist.

Fullscaleflexuralandsheartestshavebeenconductedandconfirmthatthesystemisabletoachievefullcompositeactionunderuniformloadsforthespansgiven.Specialconsiderationneedstobegiventosituationswithconcentratedloads,contactiSPANSystemsLPfordesignassistance.

InadditiontotheshearflowstrengthfromtheTotal-Lewis-Deck,additionalrestraintisprovidedbytheshoeatbothendsofthejoists.Basedonaconcretewithfc' of3,000psiandgiventhebearingareaprovidedbytheCompositeTotalJoistshoe,thelimitinghorizontalendrestraintis38,250lbs.

3.3.4 WEB SHEARThedesignshearoftheCompositeTotalJoistjoististhesameasthenon-compositedesignshear.RefertoTable 12fortheshearvalues.



25

SPAN TABLES

3.3.5 DEFLECTIONThedeflectionoftheCompositeTotalJoistisbasedontraditionaltransformedsectioncalculations.Duetotheproportioningofthejoistrelativetotheslab,theneutralaxisofthecompositesectiontypicallyfallswithintheslab.Onlytheconcreteoverthedeckisconsideredinthecalculationofthetransformedsection.Testshaveshowngoodcorrelationbetweenthepredictedstiffnessandtheactualstiffness.ShowninFigure6isthetransformedsectionusedtocalculatethecompositemomentofinertia.Thecompositemomentofinertiaiscalculatedasfollows:

Where,

b e =effectivewidthofconcreteslab=joistspacing

dc =concretecoveroversteeldeck

n =modularratio=

dj =distancefromjoistcenterofgravitytocenterofgravityofcompositesection

dc =distancefromtransformedconcretecenterofgravitytocenterofgravityofcompositesection

Ixc = Ij + + A j d2j + ( ) d 2

e

b en d 3

c

12b en

d c

E sE c

dj

dedc

b en

Compositesectioncenterofgravity

Joistcenterofgravity

Fig. 6. Transformed Composite Section


REFERENCE WEIGHTS†

FINISHED FLOOR3/4"Ceramic/QuarryTile 11psf1/2"MortarBed 6.0psf3/4"Hardwood 3.5psfVinyl(resilient)floor 1.5psfCarpetandunderpad 2.0psfAcousticalMats 0.2psf

TOPPING (per inch thickness)NormalWeightConcrete 12.5psfLightweightConcrete 10psfGypsumConcrete 8.5psf

ROOFING MATERIALSFeltwithgravel,3Ply 5.5psfFeltandgravel,4Ply 6.0psfFeltandgravel,5Ply 6.5psfFelt,nogravel,3Ply 3.0psfFelt,nogravel,4Ply 3.5psfFelt,nogravel,5Ply 4.0psfWaterproofingMembrane 1.0psf

SUBFLOOR / UNDERLAYMENTPlywood,1/4" 1.0psfPlywood/OSB,1/2" 2.0psfPlywood/OSB,5/8" 2.5psfPlywood/OSB,3/4" 3.0psfCementBoard,1/4" 1.5psfCementBoard,3/4" 4.5psf

INSULATION (per inch thickness)Polyisocyanurate 0.5psfRockwool 0.2psfGlassFiberBatts 0.1psf

CEILINGGypsumBoard,1/2" 1.6psfGypsumBoard,5⁄8" 2.2psfResilientChannel(12”o.c.) 0.2psfSuspendedTileSystem 5.0psfPlaster(per1/2"thickness) 4.0psf

†Weightsareprovidedforreferencepurposesonlyandshouldbecheckedagainstactualproductspecified.

SPAN TABLES

26 iSPAN Systems LP70 Brentwood Drive, Princeton, Ontario, Canada N0J 1V0


27

SPAN TABLES

DESIGN EXAMPLESelectajoistfora22'span,residentialloading,withajoistspacingof48"o.c.Designfloorbasedona25psfsuperimposeddeadload.Therearenonon-loadbearingwallsonthefloor.

SOLUTION

Option 1Select joist using Span Tables

1. Sincetherearenonon-loadbearingwallsonthefloor,usetablesfor“OPENAREAS”.UsetheComposite Span Tablefor40psfliveloadfoundonpage4.

2. Scandowncolumnfor25psfdeadloadand48"spacing.

3. Select 14-ic-4 at 48" o.c. with a 3" slab thickness:MaximumSpan=22'2">22' OK


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