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Project 1

SSkill-Lync learner30 Mar 2023
DESIGN
BASE PLATE DESIGN AS PER AISC GUIDE
Horizontal Vertical Horizontal Moment
VERTICAL LOAD (COMPRESSION) Pu = 232 KN Node L/C Fx kN Fy kN Fz kN Mx kNm My kNm Mz kNm
VERTICAL LOAD (TENSION) T = 0 KN Max Fx 416 22 GENERATED INDIAN CODE GENRAL_STRUCTURES 15 130.521 232.286 3.044 0 -0.001 -256.456
HORIZONTAL LOAD IN X DIRECTION Fx = 130.5 KN Min Fx 417 18 GENERATED INDIAN CODE GENRAL_STRUCTURES 11 -101.65 -0.986 -0.294 0 0 187.66
HORIZONTAL LOAD IN Z DIRECTION Fz = 3.044 KN Max Fy 416 22 GENERATED INDIAN CODE GENRAL_STRUCTURES 15 130.521 232.286 3.044 0 -0.001 -256.456
MOMENT ALONG X DIRECTION Mx = 0 KN-M Min Fy 417 3 WIND LOAD +X (SUCTION) -77.33 -77.631 0.917 0 0 147.89
MOMENT ALONG X DIRECTION My 0 KN-M Max Fz 417 24 GENERATED INDIAN CODE GENRAL_STRUCTURES 17 41.204 174.961 28.799 0 0 -98.112
MOMENT ALONG Z DIRECTION Mz = 256.5 KN-M Min Fz 421 20 GENERATED INDIAN CODE GENRAL_STRUCTURES 13 12.511 33.319 -32.14 -22.275 0 -29.75
COLUMN SECTION = ISMB500 Max Mx 427 8 GENERATED INDIAN CODE GENRAL_STRUCTURES 1 13.862 79.613 -0.004 22.275 0 -33.008
YEILD STRESS = 250 KN/M2 Min Mx 421 8 GENERATED INDIAN CODE GENRAL_STRUCTURES 1 -25.497 128.255 -2.102 -22.275 0 60.729
CONCRETE COMPRESSIVE STRENGTH = 25 KN/M2 Max My 428 24 GENERATED INDIAN CODE GENRAL_STRUCTURES 17 -23.797 88.915 12.434 0 0.024 56.656
BASE PLATE LENGTH, N = 700 MM Min My 426 24 GENERATED INDIAN CODE GENRAL_STRUCTURES 17 23.797 111.19 12.434 -22.275 -0.024 -56.656
BASE PLATE WIDTH, B = 300 MM Max Mz 417 18 GENERATED INDIAN CODE GENRAL_STRUCTURES 11 -101.65 -0.986 -0.294 0 0 187.66
BASE PLATE THICKNESS = 25 MM Min Mz 416 22 GENERATED INDIAN CODE GENRAL_STRUCTURES 15 130.521 232.286 3.044 0 -0.001 -256.456
PEDESTAL LENGTH = 750 MM
PEDESTAL WIDTH = 350 MM
CONCRETE BEARING STRESS = 8.5 KN/M2
ISMB500
300 350
700
750
Pu 232 KN
0 My
KN-M Fx 130.5 KN
256.5 Mz
KN-M Mx 0 KN-M
Fz 3.044 KN
i
f 320
bf
180
500 d
CALCULATION FOR BASE PRESSURE
Pvert = 232 / (0.7 X 0.3) = 1104.76 KN/SQM
Pmy = (6 x 0/ 700 x 300^2 ) = 0 KN/SQM
Pmz = (6 x 256.5/ 300 x 700^2 ) = 10469.4 KN/SQM
Pmax = Pvert + Pmz + Pmz = 11574.2 KN/SQM
Pmin = Pvert - Pmz - Pmz = -20939 KN/SQM
Eccentricity = 256.5 x 1000 / 232 = 1105.61 mm
Critical ecentricity = 349.99 mm Plate with Large Moment
= (320 + 700 / 2)^2 = 448900
=2 x 232x (1105.61+320 ) / 11574.15 = 30625 Plate Size is sufficient
Y, Bearing length = 1316.75 OR 23.26 mm
Tu, Anchor Rod Tension 20.05
m = (700- 0.95 x 500) / 2 = 112.5 mm
tp = 1.5 x 112.5 x sqrt(8.5 / 250) = 31.12 mm
= = 2.11 x SQRT (8.5 x 23.26 x (112.5 - 23.26/2)/ R11) 18.7562 mm
As23.26>112.5Y > m,
Y < m
Hence, Required plate thickness = 18.76 mm
Provide 20mm thick plates
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