5.0 STRUCTURAL ANALYSIS: - Analysis considering the Ultimate Limit State (ULS) 5.1 Calculate the Ultimate Pressure beneath the Foundation - Foundation Geometry L= W= H=
9.00 m 1.00 m 0.60 m
Length of Foundation Width of Foundation Depth of Foundation
C:\cbanda\NOH2 Project\cris activities monitoring\Calculation Notes\Design Study
By: CGB
Project: Location: Client: Job Title DESIGN OF TOWER CRANE RAIL TRACKS FOUNDATION
Ultimate Ground Pressure Ground Pressure at Service Load
1251.2 - Calculate the Ultimate Internal Force on the Foundation X1 = X2 = X3 =
1251.2
1.50
21.756
1.50 m 6.00 m 1.50 m
- Based on the Diagram Vumax = Mumax =
834.1 kN 938.4 kNm
1.50
6.00
299.80 Ultimate Shear Force Ultimate Flexural Moment
Shear Diagram 1000
834 kN
6.0 DESIGN CHECK:
500
- Calculate the Moment Resistance
417 kN
0
0 kN 0
M_Bar ø = 16.00 mm 8.00 mm S_ Bar ø = CC = 75.00 mm 600 mm H= 509 mm d= 5 unitless NBr = As = 1005.3 mm² 6948 mm² Ar = AsT = 7953.3 mm² 0.15 unitless K= z = 400.53 mm 0.95d = 483.55 mm Mn = 1164.0 kNm 1.15 unitless gm = Mr = 1012.2 kNm
Main Tensile Reinforcement Stirrups Bar Diameter Concrete Cover Depth of Foundation Effective depth No. of bars provided Total area of reinforcement Total area of rail Total Steel Area Mu/fcubd² d[0.5 + √(0.25-K/0.9)] 0.95d >= z OK Nominal Moment Resistance ResistanceFactor Design Moment Resistance
Consider the resistance of Concrete 1000 mm bv = 509 mm d= As = 1005.3 mm²
width of foundation Effective depth Total area of reinforcement
Vc = Vc = 0.4332 N/mm² If the fcu is greater than 25.00 N/mm² but less than 40.00 N/mm² the value Vc can multiplied (fcu/25)1/3 v1 = 0.9865 unitless VcN = 0.4273 N/mm² 1.25 unitless gm = Vr = 0.3419 N/mm² bv = d=
