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Base Pl Pinned Tad3 p0

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  • 7/31/2019 Base Pl Pinned Tad3 p0

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    TITLE: J.K.CEMENT WORKS, (FUJAIRAH) FZC, UAE.

    1750 TPD WHITE / 2800 TPD GREY CEMENT PLAT

    COAL MILL ROOF BASE PLATE REV.NO. P0

    Doc No:SPADE-12-JK-CAL-101 Date: 30/12/2011

    Base Plate : BP1

    Staad Joint Numbers :17

    Joint Load

    Support Reactions Comb

    Maximum Tension Fyt = -1325.935 kN 1 112

    Maximum Compression Fyc = 1770.388 kN 1 101

    Maximum shear Fx Fx = -87.766 kN 1 101

    Maximum shear Fz Fz = -102.932 kN 1 104

    Input Load factor for Force 1

    Anchor Bolt design

    Number of Anchor Bolts N = 8

    Dia of Anchor Bolt d = 40 mm

    Actual Force in each Bolt Pt,act -165.7 kN

    Tensile Area of each = 949.9 mm2

    Allowable Tensile stress = 120 N/mm2

    Tensile Cap of each Bolt Pt,cap 113.988 kN

    Tensile Stress Ratio -1.454

    Check for Shear

    Max shear FTotal 135.3 kN

    Shear Force in each Bolt Vbolt 16.91 kN

    Shear Stress in each Bolt tv 13.456 N / mm2

    Allowable Shear Stress in Bolt tva 80 N / mm2

    Stress Ratio

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    Thickness of Base Plate t

    a) Design Considering Panel Fixed on four edges

    For purpose of thickness calculations , base pressure considered is

    qdes 5.00 N/mm2

    Dist bet Fixed Edges a 125 mm

    Dist bet Fixed & Free Edges b 125

    a/b 1.00From Table-26 , Case-8a of Roarks

    For a/b = 1.00

    b1 0.321

    Yield Stress fy 250 N/mm2

    Allowable Bending Stress (0.66 fy) = 165 N/mm2

    Thickness of Base-plate required from Bearing stress considerations = t1

    t1 = sqrt{ (b1*q*b2)/0.66fy} t1 = 12.328367 mm

    b) Design Considering cantilever portion of Base plate

    Max Outstand Lc 50

    Moment Mc = q (Lc)2

    / 2 Mc 6250 N-mm per unit widthThickness required t2 = 15.075567 mm

    t2 =sqrt 6Mc/ (0.66*fy*b) , b=1

    c) Design Considering projection of base plate as per IS:800

    As per Clause 5.4.3 , IS:800-1984 ,page-44

    a = greater projection of plate beyond column 50 mm

    b = lesser projection of plate beyond column 35 mm

    t3 = sqrt{ 3 x q x ( a2

    - b2/4) / 0.66 fy }

    t3 = 14.122033

    d) Design Considering Tension in Anchor Bolt

    Thickness of washer Plate twasher 12 mm

    Assumed Thickness of BP t4 16 mm

    Calculation of Pressure due to Tension of bolt

    Loaded area = ( Nutsize + 2xThk of washer plate + 2xThk of baseplate )

    Assuming 12 mm thick washer plate and size of nut is 1.6 times dia of bolt.

  • 7/31/2019 Base Pl Pinned Tad3 p0

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    = ( 1.6 x 40 + 2 x 12 + 2 x 16) = 120 mm

    Designing for Full Tensile Capacity of Bolt = 113.988 kN

    Actual Pressure = ( 113.988 x 1000 ) / ( 120x 120)= 7.92 N/mm2

    pact = 7.92 N/mm< qdes 5.00 N/mm

    Base plate already designed for Bearing pressure of 5 N/mm2.

    Hence 16 mm thick Base plate is OK from Bolt tension consideration

    Greater of t1 to t4 t = 16

    Provide 500 x 500 x 16 Thick Base-Plate

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    TITLE: J.K.CEMENT WORKS, (FUJAIRAH) FZC, UAE.

    1750 TPD WHITE / 2800 TPD GREY CEMENT PLAT

    COAL MILL ROOF BASE PLATE REV.NO. P0

    Doc No:SPADE-12-JK-CAL-101 Date: 30/12/2011

    Base Plate : BP1

    Staad Joint Numbers :17

    Joint Load

    Support Reactions Comb

    Maximum Tension Fyt = -993.245 kN 1 112

    Maximum Compression Fyc = 1411.288 kN 1 140

    Maximum shear Fx Fx = -82.213 kN 1 140

    Maximum shear Fz Fz = -95.558 kN 1 108

    Input Load factor for Force 1

    Anchor Bolt design

    Number of Anchor Bolts N = 8

    Dia of Anchor Bolt d = 36 mm

    Actual Force in each Bolt Pt,act -124.2 kN

    Tensile Area of each = 816.7 mm2

    Allowable Tensile stress = 120 N/mm2

    Tensile Cap of each Bolt Pt,cap 98.004 kN

    Tensile Stress Ratio -1.267

    Check for Shear

    Max shear FTotal 126.1 kN

    Shear Force in each Bolt Vbolt 15.76 kN

    Shear Stress in each Bolt tv 15.480 N / mm2

    Allowable Shear Stress in Bolt tva 80 N / mm2

    Stress Ratio

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    Thickness of Base Plate t

    a) Design Considering Panel Fixed on four edges

    For purpose of thickness calculations , base pressure considered is

    qdes 5.00 N/mm2

    Dist bet Fixed Edges a 125 mm

    Dist bet Fixed & Free Edges b 125

    a/b 1.00From Table-26 , Case-8a of Roarks

    For a/b = 1.00

    b1 0.321

    Yield Stress fy 250 N/mm2

    Allowable Bending Stress (0.66 fy) = 165 N/mm2

    Thickness of Base-plate required from Bearing stress considerations = t1

    t1 = sqrt{ (b1*q*b2)/0.66fy} t1 = 12.328367 mm

    b) Design Considering cantilever portion of Base plate

    Max Outstand Lc 50

    Moment Mc = q (Lc)2

    / 2 Mc 6250 N-mm per unit widthThickness required t2 = 15.075567 mm

    t2 =sqrt 6Mc/ (0.66*fy*b) , b=1

    c) Design Considering projection of base plate as per IS:800

    As per Clause 5.4.3 , IS:800-1984 ,page-44

    a = greater projection of plate beyond column 50 mm

    b = lesser projection of plate beyond column 35 mm

    t3 = sqrt{ 3 x q x ( a2

    - b2/4) / 0.66 fy }

    t3 = 14.122033

    d) Design Considering Tension in Anchor Bolt

    Thickness of washer Plate twasher 12 mm

    Assumed Thickness of BP t4 16 mm

    Calculation of Pressure due to Tension of bolt

    Loaded area = ( Nutsize + 2xThk of washer plate + 2xThk of baseplate )

    Assuming 12 mm thick washer plate and size of nut is 1.6 times dia of bolt.

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    = ( 1.6 x 36 + 2 x 12 + 2 x 16) = 113.6 mm

    Designing for Full Tensile Capacity of Bolt = 98.004 kN

    Actual Pressure = ( 98.004 x 1000 ) / ( 113.6x 113.6)= 7.59 N/mm2

    pact = 7.59 N/mm< qdes 5.00 N/mm

    Base plate already designed for Bearing pressure of 5 N/mm2.

    Hence 16 mm thick Base plate is OK from Bolt tension consideration

    Greater of t1 to t4 t = 16

    Provide 500 x 500 x 16 Thick Base-Plate

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    TITLE: J.K.CEMENT WORKS, (FUJAIRAH) FZC, UAE.

    1750 TPD WHITE / 2800 TPD GREY CEMENT PLAT

    COAL MILL ROOF BASE PLATE REV.NO. P0

    Doc No:SPADE-12-JK-CAL-101 Date: 30/12/2011

    Base Plate : BP1

    Staad Joint Numbers :17

    Joint Load

    Support Reactions Comb

    Maximum Tension Fyt = -576.38 kN 1 112

    Maximum Compression Fyc = 983.439 kN 1 140

    Maximum shear Fx Fx = -69.974 kN 1 140

    Maximum shear Fz Fz = -67.156 kN 1 116

    Input Load factor for Force 1

    Anchor Bolt design

    Number of Anchor Bolts N = 4

    Dia of Anchor Bolt d = 36 mm

    Actual Force in each Bolt Pt,act -144.1 kN

    Tensile Area of each = 816.7 mm2

    Allowable Tensile stress = 120 N/mm2

    Tensile Cap of each Bolt Pt,cap 98.004 kN

    Tensile Stress Ratio -1.470

    Check for Shear

    Max shear FTotal 97.0 kN

    Shear Force in each Bolt Vbolt 24.25 kN

    Shear Stress in each Bolt tv 23.821 N / mm2

    Allowable Shear Stress in Bolt tva 80 N / mm2

    Stress Ratio

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    Thickness of Base Plate t

    a) Design Considering Panel Fixed on four edges

    For purpose of thickness calculations , base pressure considered is

    qdes 5.00 N/mm2

    Dist bet Fixed Edges a 125 mm

    Dist bet Fixed & Free Edges b 125

    a/b 1.00From Table-26 , Case-8a of Roarks

    For a/b = 1.00

    b1 0.321

    Yield Stress fy 250 N/mm2

    Allowable Bending Stress (0.66 fy) = 165 N/mm2

    Thickness of Base-plate required from Bearing stress considerations = t1

    t1 = sqrt{ (b1*q*b2)/0.66fy} t1 = 12.328367 mm

    b) Design Considering cantilever portion of Base plate

    Max Outstand Lc 50

    Moment Mc = q (Lc)2

    / 2 Mc 6250 N-mm per unit widthThickness required t2 = 15.075567 mm

    t2 =sqrt 6Mc/ (0.66*fy*b) , b=1

    c) Design Considering projection of base plate as per IS:800

    As per Clause 5.4.3 , IS:800-1984 ,page-44

    a = greater projection of plate beyond column 50 mm

    b = lesser projection of plate beyond column 35 mm

    t3 = sqrt{ 3 x q x ( a2

    - b2/4) / 0.66 fy }

    t3 = 14.122033

    d) Design Considering Tension in Anchor Bolt

    Thickness of washer Plate twasher 12 mm

    Assumed Thickness of BP t4 16 mm

    Calculation of Pressure due to Tension of bolt

    Loaded area = ( Nutsize + 2xThk of washer plate + 2xThk of baseplate )

    Assuming 12 mm thick washer plate and size of nut is 1.6 times dia of bolt.

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    = ( 1.6 x 36 + 2 x 12 + 2 x 16) = 113.6 mm

    Designing for Full Tensile Capacity of Bolt = 98.004 kN

    Actual Pressure = ( 98.004 x 1000 ) / ( 113.6x 113.6)= 7.59 N/mm2

    pact = 7.59 N/mm< qdes 5.00 N/mm

    Base plate already designed for Bearing pressure of 5 N/mm2.

    Hence 16 mm thick Base plate is OK from Bolt tension consideration

    Greater of t1 to t4 t = 16

    Provide 500 x 500 x 16 Thick Base-Plate

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    TITLE: J.K.CEMENT WORKS, (FUJAIRAH) FZC, UAE.

    1750 TPD WHITE / 2800 TPD GREY CEMENT PLAT

    COAL MILL ROOF BASE PLATE REV.NO. P0

    Doc No:SPADE-12-JK-CAL-101 Date: 30/12/2011

    Base Plate : BP1

    Staad Joint Numbers :17

    Joint Load

    Support Reactions Comb

    Maximum Tension Fyt = -38.323 kN 1 112

    Maximum Compression Fyc = 193.146 kN 1 140

    Maximum shear Fx Fx = -25.829 kN 1 140

    Maximum shear Fz Fz = -44.521 kN 1 116

    Input Load factor for Force 1

    Anchor Bolt design

    Number of Anchor Bolts N = 2

    Dia of Anchor Bolt d = 25 mm

    Actual Force in each Bolt Pt,act -19.2 kN

    Tensile Area of each = 352.5 mm2

    Allowable Tensile stress = 120 N/mm2

    Tensile Cap of each Bolt Pt,cap 42.3 kN

    Tensile Stress Ratio -0.453

    Check for Shear

    Max shear FTotal 51.5 kN

    Shear Force in each Bolt Vbolt 25.74 kN

    Shear Stress in each Bolt tv 52.428 N / mm2

    Allowable Shear Stress in Bolt tva 80 N / mm2

    Stress Ratio

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    Thickness of Base Plate t

    a) Design Considering Panel Fixed on four edges

    For purpose of thickness calculations , base pressure considered is

    qdes 5.00 N/mm2

    Dist bet Fixed Edges a 125 mm

    Dist bet Fixed & Free Edges b 125

    a/b 1.00From Table-26 , Case-8a of Roarks

    For a/b = 1.00

    b1 0.321

    Yield Stress fy 250 N/mm2

    Allowable Bending Stress (0.66 fy) = 165 N/mm2

    Thickness of Base-plate required from Bearing stress considerations = t1

    t1 = sqrt{ (b1*q*b2)/0.66fy} t1 = 12.328367 mm

    b) Design Considering cantilever portion of Base plate

    Max Outstand Lc 50

    Moment Mc = q (Lc)2

    / 2 Mc 6250 N-mm per unit widthThickness required t2 = 15.075567 mm

    t2 =sqrt 6Mc/ (0.66*fy*b) , b=1

    c) Design Considering projection of base plate as per IS:800

    As per Clause 5.4.3 , IS:800-1984 ,page-44

    a = greater projection of plate beyond column 50 mm

    b = lesser projection of plate beyond column 35 mm

    t3 = sqrt{ 3 x q x ( a2

    - b2/4) / 0.66 fy }

    t3 = 14.122033

    d) Design Considering Tension in Anchor Bolt

    Thickness of washer Plate twasher 12 mm

    Assumed Thickness of BP t4 16 mm

    Calculation of Pressure due to Tension of bolt

    Loaded area = ( Nutsize + 2xThk of washer plate + 2xThk of baseplate )

    Assuming 12 mm thick washer plate and size of nut is 1.6 times dia of bolt.

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    12/15

    = ( 1.6 x 25 + 2 x 12 + 2 x 16) = 96 mm

    Designing for Full Tensile Capacity of Bolt = 42.3 kN

    Actual Pressure = ( 42.3 x 1000 ) / ( 96x 96)= 4.59 N/mm2

    pact = 4.59 N/mm< qdes 5.00 N/mm

    Base plate already designed for Bearing pressure of 5 N/mm2.

    Hence 16 mm thick Base plate is OK from Bolt tension consideration

    Greater of t1 to t4 t = 16

    Provide 425 x 425 x 16 Thick Base-Plate

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    Node L/C Force-X k Force-Y k Force-Z kN Node

    Maximum Tension 1 101 21.494 54.265 0.108 15Maximum Compression 1 101 21.494 54.265 0.108 15

    Maximum shear Fx 1 112 -10.463 -36.678 -9.008 15

    Maximum shear Fz 1 104 5.394 -0.262 -9.02 15

    Node L/C Force-X k Force-Y k Force-Z kN

    17 105 -2.614 -6.481 9.02

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    L/C Force-X k Force-Y k Force-Z kN Node L/C Force-X k Force-Y k Force-Z kN

    101 -21.494 51.569 0.108 3 101 18.715 50.479 -0.108101 -21.494 51.569 0.108 3 101 18.715 50.479 -0.108

    112 10.463 -37.432 -9.009 3 113 -10.463 -36.678 9.008

    104 -5.395 -2.958 -9.02 3 105 2.615 -4.048 9.02

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    Node L/C Force-X k Force-Y k Force-Z kN

    17 101 -18.714 48.046 -0.10817 101 -18.714 48.046 -0.108

    17 113 10.463 -37.432 9.009

    17 105 -2.614 -6.481 9.02


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