Structural Analysis
6th Edition
ISBN: 9781337630931
Author: KASSIMALI, Aslam.
Publisher: Cengage,
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A rectangular footing, with a plan area of
1-4mx2·0m is to be placed 2m below the ground
surface. The footing would be subjected to a load
inclined at 10° to the vertical. The subsoil is clayey,
sandy silt with saturated unit weight of 18 kN /m3, and
c' = 10kN/m2 and cp' = 30°. Assuming the rate of
loading is such that drained condition prevailed,
compute the magnitude of load carrying capacity of
the footing if. the water table is at the base of the
footing. Use IS: 6403-1981 recommendation and
assume factor of safety= 3·0.
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- An isolated footing having dimensions of 1.5m x 2.2m is provided at a depth of 1.2m in a stratum of cohesionless soil having a relative density of 71%. Determine the bearing capacity factors Nc, Nq and Nγ as per IS code.arrow_forwardTwo footings, one circular and the other strip, are founded on the surface of a purely Cohesionless soil. Diameter of the circular footing and width of strip footing is same. Then, the ratio of ultimate bearing capacity of circular to strip footing is:arrow_forwardA building will have a factored column load of 300 kN. The column is to be supported on a square spread footing underlain by a soil with the follow properties: c' = 5 kPa, o' 35°, y = 18.5 kN/m³. The groundwater table is at a depth of 15 m and the footing will be located 0.5 m below the ground surface. Determine the required footing size if Þ = 0.5. Use Terzaghi's bearing capacity equation for a square footing. Solve for 'B', making sure to use the reduction factor Þ; trial and error is the easiest way to solve for 'B'. Recommend a "reasonable" dimension for construction/design purposes.arrow_forward
- Foundation examplearrow_forwardEstimate the immediate settlement of a concrete footing 1.5m*1.5m in size founded ata depth of 1m in silty soil whose modulus of elasticity is 90kg/cm2 .The footing isexpected to transmit a unit pressure of 200kN/m2Assume, µ = 0.35, If = 0.82 for a rigid footing.arrow_forward
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