Answered: On a saturated triaxial cylindrical…

On a saturated triaxial cylindrical test specimen of soil if the major and minor principal stresses are 200 and 60 kN/m2 respectively. Check whether the test specimen will fail if it is assumed that

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter17: Subsoil Exploration

Section: Chapter Questions

Problem 17.12P

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Concept explainers

Calculation of Settlement

The vertical displacement of the structural foundation due to the loading from the superstructure is known as settlement. It is due to the reduction of air voids present in the soil. The amount of vertical displacement depends on the bearing capacity of the soil on which the foundation is laid. The effect of the settlement depends on the magnitude of settlement, uniformity, and the structural design of the structure. The maximum allowable settlement for residential and office buildings should be less than 18 mm, for industrial buildings, it is 38 mm and for commercial buildings, it is 25 mm.

Question

On a saturated triaxial cylindrical test specimen
of soil if the major and minor principal stresses
are 200 and 60 kN/m2 respectively. Check whether
the test specimen will fail if it is assumed that
soil will have c'= 5 kN/m?, þ' = 25° with pore
pressure developed equal to 20 kN/m2.

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