A certain column carries a vertical downward load of 448.0 k. It is to be supported on a 3.0-ft deep rectangular footing. Because of a nearby property line, this footing may be no more than 5.0 ft wide. The soil beneath this footing is a silty sand with the following properties: y = 122.4 lb/ft, c'=50.0 lb/ft², p=34.0°. The groundwater table is at a depth of 6.0 ft below the ground surface. Using ASD to compute the footing length required for a factor of safety of 3.0. Solution: 1. Determination of the method: According to the given information, the best suitable method would be Surcharge stress D = pcf. 2. Determination of bearing capacity factors - function of ': a. Ne = b. Nq = c. Ny = 3. Determination of other bearing capacity factors: 3.1 Shape factors: a. Se = + b. Sq= c. Sy = 3.2 Depth factors: k= + H /L; psf /L; /L; mehod.

A certain column carries a vertical downward load of 448.0 k. It is to be supported on a 3.0-ft deep rectangular footing. Because of a nearby property line, this footing may be no more than 5.0 ft wide. The soil beneath this footing is a silty sand with the following properties: y = 122.4 lb/ft, c'=50.0 lb/ft², p=34.0°. The groundwater table is at a depth of 6.0 ft below the ground surface. Using ASD to compute the footing length required for a factor of safety of 3.0. Solution: 1. Determination of the method: According to the given information, the best suitable method would be Surcharge stress D = pcf. 2. Determination of bearing capacity factors - function of ': a. Ne = b. Nq = c. Ny = 3. Determination of other bearing capacity factors: 3.1 Shape factors: a. Se = + b. Sq= c. Sy = 3.2 Depth factors: k= + H /L; psf /L; /L; mehod.

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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