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# Mix Design Concrete

Date post:12-Apr-2016
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concrete
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• INPUT TYPE

1 Extremely d 0.00 cm.2 Very stif 0.00 cm.3 Stif 0-2.5 cm.4 Stif plastic 2.5-7.5 cm.5 Plastic 7.5-12.5 cm.6 Flowing (Very 12.5-19.5 cm.

INPUT TYPE 5 7.5-12.5

= 175

( CONCRETE MIX DESIGN )

( type of cement ) ( specific gravity )

slump

slump

( 28 )

( maximum size ) ( specific gravity ) ( unit weight )

( sheet 2 TABLE A2.3.5.1(a)) slump

( moisture content ) ( absorption )

( specific gravity ) ( fine modulus ) ( moisture content ) ( absorption )

• = 0.62 = 1

MIX DESIGN

( )

1

( ) ( )

1

( ) ( )

• ( ) ( )

• 1= 3.15

cm.

= 250 ksc.

= 40 mm.= 2.68= 1600 kg/m^3

0.72100

= 2 %= 0.5 %

= 2.64= 2.80= 6.00 %= 0.7 %

( CONCRETE MIX DESIGN )

( type of cement )( specific gravity )

)

( maximum size ) ( specific gravity )

( sheet 2 TABLE A2.3.5.1(a)) slump

( specific gravity )( fine modulus )

/.

• % = 282.258 kg/m^3= 1152 kg/m^3

= 0.175 m^3= 0.090 m^3= 0.430 m^3= 0.01 m^3= 0.296 m^3= 780.235 kg

175 kg 282.258 kg 5.645

1152 kg780.235 kg

2389.493 kg

= 1175.040 kg= 827.049 kg= 1.500 %= 5.300 %= 116.368 kg

116.368 kg 282.258 kg 5.645

1175.040 kg827.049 kg

2400.715 kg3

349.103 kg

1 ( )

( ) ( )

1 ( )

( ) ( )

.

• 846.774 kg 16.935 3525.120 kg2481.147 kg7202.144 kg

• Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

Compressive strength Non-air-entrained Air-entrainedat 28 days , kgf/cm^2 concrete concrete

150 0.80 0.71 160 0.78 0.69 170 0.76 0.67 180 0.74 0.65 200 0.70 0.61 210 0.68 0.59 220 0.67 0.58 230 0.65 0.56 240 0.64 0.55 250 0.62 0.53 260 0.61 0.52 270 0.59 0.50 280 0.58 0.49 290 0.56 0.47 300 0.55 0.46 310 0.54 0.45 320 0.52 0.44 330 0.51 0.42 340 0.49 0.41 350 0.48 0.40 360 0.47 0.39 370 0.46 0.38 380 0.45 0.36 390 0.44 0.35

• 400 0.43 0.34 410 0.42 0.33 420 0.41 0.32 430 0.40 0.31 440 0.39 0.30 450 0.38 0.29 460 0.37 0.28 470 0.36 0.27 480 0.35 0.26 490 0.34 0.25 500 0.33 0.24

• Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

INPUT TYPE 10

1 Extremely dry 0.00 2 Very stif 0.00 3 Stif 0-2.54 Stif plastic 2.5-7.5 205.00 5 Plastic 7.5-12.5 225.00 6 Flowing (Very Plast 12.5-19.5 240.00

3.00

150 0.80 INPUT TY160 0.78 170 0.76 1 180 0.74 2 200 0.70 3 210 0.68 4 220 0.67 5 230 0.65 6 240 0.64 250 0.62 260 0.61 270 0.59 280 0.58 290 0.56 300 0.55

slump

slump (cm.)

%

• 310 0.54 320 0.52 330 0.51 340 0.49 350 0.48 360 0.47 370 0.46 380 0.45 390 0.44 400 0.43 410 0.42 420 0.41 430 0.40 440 0.39 450 0.38 460 0.37 470 0.36 480 0.35 490 0.34 500 0.33

• 12.5 20 25 40 50 75

200 185 180 160 155 145215 200 195 175 170 160230 210 205 185 180 1702.5 2 1.5 1 0.5 0.3

10.0 15.0

Extremely dry 0.00 190 170 Very stif 0.00 160 145 Stif 0-2.5 135 130 Stif plastic 2.5-7.5 108 106 Plastic 7.5-12.5 100 100 Flowing (Very Plas12.5-19.5 97 98

1 ..

1 .. (mm.)

slump (cm.)

%

• 150

125140

0.2

20.0 25.0 40.0

145 140 130 130 125 125 115 115 120 104 106 109 100 100 100 100 100 100

(mm.)

• TABLE A2.3.5.1(a) VOLUME OF COARSE

CONCRETE (METRIC) OF PLASTIC CONSISTENCY ( 8-13 CM SLUMP )

MAXIMUM SIZE FINENESS MODULUS OF SAND

OF AGGREGATE MM. 2.40 2.50

10.00 0.50 0.49 15.00 0.59 0.58 20.00 0.66 0.65 25.00 0.71 0.70 40.00 0.76 0.75

TABLE A2.3.5.1(b) VOLUME OF COARSE AGGREGATE PER UNIT VOLUME OF CONCRETE FOR DIFFERENT CONSISTENCIES

Percentage of the values shown in table A2.3.5.1(a)Slump

Description cm. 10.0

Extremely dry - 190

• Very stif - 160 Stif 0-2.5 135 Stif Plastic 2.5-7.5 108 Plastic 7.5-12.5 100 Flowing 12.5-19 97

Table A 2.2.3.1 (c) APPROXIMATE MIXING WATER REQUIREMENTS FOR DIFFERENT CONSISTENCIES AND MAXIMUM SIZES OF AGGREGATES

ConsistencyDescription Slump, cm.

1 Extremely dry -2 Very stif -3 Stif 0-2.54 Stif plastic 2.5-7.55 Plastic 7.5-12.56 Flowing 12.5-19

Approximate amount of entrapped air in non-air-entrained concrete , %

1 Extremely dry -2 Very stif -3 Stif 0-2.54 Stif plastic 2.5-7.55 Plastic 7.5-12.56 Flowing 12.5-19

Recommended average total air content , %

• CONCRETE (METRIC) OF PLASTIC CONSISTENCY ( 8-13 CM SLUMP )

FINENESS MODULUS OF SAND

2.60 2.70 2.80 2.90 0.48 0.47 0.46 0.45 0.57 0.56 0.55 0.54 0.64 0.63 0.62 0.61 0.69 0.68 0.67 0.66 0.74 0.73 0.72 0.71

TABLE A2.3.5.1(b) VOLUME OF COARSE AGGREGATE PER UNIT VOLUME OF CONCRETE FOR DIFFERENT CONSISTENCIES

Percentage of the values shown in table A2.3.5.1(a) ( mm.)

12.5 20.0 25.0 40.0

170 145 140 130

• 145 130 125 125 130 115 115 120 106 104 106 109 100 100 100 100 98 100 100 100

Table A 2.2.3.1 (c) APPROXIMATE MIXING WATER REQUIREMENTS FOR DIFFERENT CONSISTENCIES AND MAXIMUM SIZES OF AGGREGATES

Water , kg/m^3 of concrete for indicated Relative water max. sizes of coarse aggregate in mm. content, % 10.0 15.0 20.0 Non-air-entrained concrete

78 178 169 157 83 187 187 169 88 199 193 178 92 208 199 187

100 228 217 199 106 243 228 214

3.0 2.5 2.0 Air-entrained concrete

78 157 148 139 83 169 157 148 88 178 169 157 92 187 175 166

100 202 193 178 106 217 208 193

Recommended average total air content , % 8.0 7.0 6.0

• Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO

Compressive strengthat 28 days , kgf/cm^2

150 160 170

3.00 180 0.44 200 0.53 210 0.60 220 0.65 230 0.70 240

250 260 270 280 290 300 310 320 330 340 350 360 370

• 380 390 400 410 420 430 440 450 460

Water , kg/m^3 of concrete for indicated 470 max. sizes of coarse aggregate in mm. 480

25.0 40.0 490 500

148 139 157 148 169 157 178 163 193 178 208 187

1.5 1.0

133 125 139 133 148 139 157 148 178 157 187 169 5.0 4.5

• Table A 2.3.4.3 RELATIONSHIPS BETWEEN WATER - CEMENT RATIO Water - cement ratio , by weight

Compressive strength Non-air-entrained Air-entrainedat 28 days , kgf/cm^2 concrete concrete

0.80 0.71 0.78 0.69 0.76 0.67 0.74 0.65 0.70 0.61 0.68 0.59 0.67 0.58 0.65 0.56 0.64 0.55 0.62 0.53 0.61 0.52 0.59 0.50 0.58 0.49 0.56 0.47 0.55 0.46 0.54 0.45 0.52 0.44 0.51 0.42 0.49 0.41 0.48 0.40 0.47 0.39 0.46 0.38

• 0.45 0.36 0.44 0.35 0.43 0.34 0.42 0.33 0.41 0.32 0.40 0.31 0.39 0.30 0.38 0.29 0.37 0.28 0.36 0.27 0.35 0.26 0.34 0.25 0.33 0.24

• CODE NAME SALARY10AA 600020BB 650030CC 700040DD 800050EE 15000

40DD 800030

MIX (LAB)wcRatioSheet2Sheet3

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