Situation: As shown in the Figure, an exterior column with a service dead load of 615 kN, as 1135 kN and a 925 795 kN and a service live load of well as an interior column with a service dead load of service live load of kN, must be supported on a combined rectangular footing whose outer end cannot protrude beyond the outer face of the exterior column. The soil's allowable bearing pressure is 325 kPa. The footing's bottom is 1.80 meters below grade, with a 4.8 kPa surcharge indicated on the surface. The footing is 1.20 meters thick. Concrete has a unit weight of 24 kN/m³, while soil has a unit weight of 18 kN/m³. The footing must be designed in such a way that the resulting pressure under service loads is uniform. a. Find the effective allowable bearing pressure in kPa (allowable pressure minus the weights of concrete, soil, and surcharge). b. Find the distance, in meters, of the point of application of the resultant service load of the two columns, measured from the outside face of the exterior column. C. Find the minimum dimensions in meters of the combined footing. L 450x600mm 600x600mm W 5.50 m

Situation: As shown in the Figure, an exterior column with a service dead load of 615 kN, as 1135 kN and a 925 795 kN and a service live load of well as an interior column with a service dead load of service live load of kN, must be supported on a combined rectangular footing whose outer end cannot protrude beyond the outer face of the exterior column. The soil's allowable bearing pressure is 325 kPa. The footing's bottom is 1.80 meters below grade, with a 4.8 kPa surcharge indicated on the surface. The footing is 1.20 meters thick. Concrete has a unit weight of 24 kN/m³, while soil has a unit weight of 18 kN/m³. The footing must be designed in such a way that the resulting pressure under service loads is uniform. a. Find the effective allowable bearing pressure in kPa (allowable pressure minus the weights of concrete, soil, and surcharge). b. Find the distance, in meters, of the point of application of the resultant service load of the two columns, measured from the outside face of the exterior column. C. Find the minimum dimensions in meters of the combined footing. L 450x600mm 600x600mm W 5.50 m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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