A strap footing consists of two footings connected by strap beam. Allowable soil pressure is 450 kPa. Footing thickness is 600mm and the bottom of the footing is 1.5m below the ground. Assume soil weight to be 19 Kn/m3 and concrete weight to be 24 Kn/m3. Use f'c 20.7 Mpa and fy = 414 Mpa. Use 1.2DL + 1.6LL. goes = Gallow - footing weight - soil weight. DL = 275 KN LL - 400 kN DL = 600 kN LL = 500 kN 4.8 m 400 x 400 column 400 x 400 column 1.2 m 1.2 m a) Calculate the footing dimensions. (Size is in multiples of 100 mm) b) Draw the Shear and Moment Diagram on the Longitudinal Direction. Show the maximum shear and moment.
A strap footing consists of two footings connected by strap beam. Allowable soil pressure is 450 kPa. Footing thickness is 600mm and the bottom of the footing is 1.5m below the ground. Assume soil weight to be 19 Kn/m3 and concrete weight to be 24 Kn/m3. Use f'c 20.7 Mpa and fy = 414 Mpa. Use 1.2DL + 1.6LL. goes = Gallow - footing weight - soil weight. DL = 275 KN LL - 400 kN DL = 600 kN LL = 500 kN 4.8 m 400 x 400 column 400 x 400 column 1.2 m 1.2 m a) Calculate the footing dimensions. (Size is in multiples of 100 mm) b) Draw the Shear and Moment Diagram on the Longitudinal Direction. Show the maximum shear and moment.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:A strap footing consists of two footings connected by strap beam. Allowable soil pressure is 450 kPa. Footing
thickness is 600mm and the bottom of the footing is 1.5m below the ground. Assume soil weight to be 19
Kn/m3 and concrete weight to be 24 Kn/m³. Use f'c = 20.7 Mpa and fy = 414 Mpa. Use 1.2DL + 1.6LL. gog =
galow - footing weight – soil weight.
DL = 275 kN
LL = 400 kN
DL = 600 kN
LL = 500 kN
4.8 m
400 x 400
column
400 x 400
column
1.2 m
1.2 m
a) Calculate the footing dimensions. (Size is in multiples of 100 mm)
b) Draw the Shear and Moment Diagram on the Longitudinal Direction. Show the maximum shear and
moment.
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