1. A 4 m compacted earthfill is to be laid for the erection of a certain building. A concentrated force Q equal to 6000 kN is located on one of the building's interior. Determine the net increase in stress 2.5 m below the natural ground surface if Boussinesq condition is applied. Assume a 19.86 kN/m³ unit weight of the backfill. Also, assume that the concentrated force acts on a 5 m square platform. Q 4m 2.5 m earthfill 5m natural gradeline

1. A 4 m compacted earthfill is to be laid for the erection of a certain building. A concentrated force Q equal to 6000 kN is located on one of the building's interior. Determine the net increase in stress 2.5 m below the natural ground surface if Boussinesq condition is applied. Assume a 19.86 kN/m³ unit weight of the backfill. Also, assume that the concentrated force acts on a 5 m square platform. Q 4m 2.5 m earthfill 5m natural gradeline

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

See similar textbooks

Similar questions

The plan of a flexible circular loaded area is shown. The uniformly distributed load on the flexible area, q, is (100 + last 2 digits of your ID number) kN/m². Determine the increase in the vertical stress, depth of z = 4 +0.01(last 2 digits of your ID number) m below. - 4m A Plan A
A =100 kPa B= 20 kPa C = 10 kPa D = 22 degrees
For linear stress variation over the base of the dam of the figure, find where the resultant crosses the base and compute the maximum and minimum pressure intensity at the base. Neglect hydrostatic uplift. Ans.Pmax=555 kPa; Pmin=129 kPa Note: unit weight of concrete is 2.5 times unit weight of water. 6m 19m 1 Y'=2.5Y 1 30 40 ¹3 mi 4 m -11 m
Determine the following: a. Maximum and minimum principal stresses b. Normal and shear stresses on plane AB
A vertical load of 260 kN is applied to a 1.2 m * 1.2 m area at the ground surface that islevel. Compute the induced vertical stress, ∆sz, at a point 1.5 m below the corner of thissquare loaded area.
50. Whle drlling a well a rock layer Is encountered at 10000 ft. depth with an excess preSsure (overpressure) of 150 psl. An overpressure zone has fluld pressures In excess of the hydrostatic gradlent. If the overburden density Is 2400 kg/m* and the flutd column Is water what Is the effective stress at this depth? a. b. 57.68 MPa 4127.6psl d. 5549.0psl
6O cm 20 20. 20cm 20 cm CrOSS - section 1. Determine the value the max Yalue g mament is 702 kN. cm gbending Stress of 2. Determine the ralue sf shean SKess of the max value g shean is 420 KN -
2. Find the induced stress at point B at depth 20 ft below the surface. The bearing pressure on the area is 400 psf. 40 ft 35 ft 70 ft