According to the elastic theory, the vertical stress induced by a flexible line load length has an intensity of "q" units/length on the surface of a semi- infinite soil mass, this can be estimated by the expression: Ap = 0.637 q/N where: N = z 1+ (-) ] r = horizontal distance of the point from the line load z = depth of the point at which stress is induced A masonry wall weighing 9 kN per lineal meter is carried by a wall footing 0.60 m wide. a) Evaluate the bearing pressure exerted by the footing onto the supporting soil b) Evaluate the stress in the soil caused by the load depth equal to twice its width c) Evaluate the stress at a depth of 2 m and a horizontal distance of 3 m from the line of the load

According to the elastic theory, the vertical stress induced by a flexible line load length has an intensity of "q" units/length on the surface of a semi- infinite soil mass, this can be estimated by the expression: Ap = 0.637 q/N where: N = z 1+ (-) ] r = horizontal distance of the point from the line load z = depth of the point at which stress is induced A masonry wall weighing 9 kN per lineal meter is carried by a wall footing 0.60 m wide. a) Evaluate the bearing pressure exerted by the footing onto the supporting soil b) Evaluate the stress in the soil caused by the load depth equal to twice its width c) Evaluate the stress at a depth of 2 m and a horizontal distance of 3 m from the line of the load

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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According to the elastic theory, the vertical stress induced by a flexible line load length has an intensity of "q" units/length on the surface of a semi- infinite soil mass, this can be estimated by the expression: Ap = 0.637 q/N where: N = z|1+ r = horizontal distance of the point from the line load z = depth of the point at which stress is induced A masonry wall weighing 9 kN per lineal meter is carried by a wall footing 0.60 m wide. a) Evaluate the bearing pressure exerted by the footing onto the supporting soil b) Evaluate the stress in the soil caused by the load depth equal to twice its width c) Evaluate the stress at a depth of 2 m and a horizontal distance of 3 m from the line of the load
Figure shows a cross section of a concrete beam. The beam carries the maximum bending moment, M = 86 kNm maximum shear force, V = 48 kN. a) Calculate the moment of inertia of the beam.b) Calculate the bending stress and draw the bending stress distribution.c) Calculate the shear stress and draw the shear stress distribution.
According to the elastic theory, the vertical stress induced by a point load of magnitude Q [kN] on the surface of a semi-infinite soil mass can be estimated by the expression: 0.477 QN Ар z2 where: 1 N = 2.5ך2 [1+ ()] r = horizontal distance of the point from the load z = depth of the point at which stress is induced A point load Q = 1500 kN is applied at the ground surface. a) Evaluate the stress in the soil caused by the point load at a depth of 2.5 m directly below the load b) Evaluate the stress in the soil caused by the point load at a depth of 5 m directly below the load c) Evaluate the stress at a depth of 2.5 m and a horizontal distance of 3 m from the point load
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