Answersa) 0.917b) 9.17 cmc) 1.08 N 12 Problem:A glass container with previous bottomcontaining fine sand in loose state, withvoid ratio of 0.8, is subjected to hydrostaticpressure from underneath until quickcondition occurs in the sand.Specific gravity of sand particles = 2.65.Area of cross-section of sand sample= 12 cm2Height of sample = 10 cn.%3DO Compute the critical gradient of thesand under quick sand condition.Compute the head of water to causequicksand condition.3 Compute the seepage force actingfrom below.

Critical hydraulic gradient ic =G-11+ePutting valuesic =2.65-11+0.8ic = 0.916 Quick sand condition…

Answered: O Compute the critical gradient of the…

O Compute the critical gradient of the sand under quick sand condition. 2 Compute the head of water to cause quicksand condition. ® Compuțe the seepage force acting from below.

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter11: Compressibility Of Soil

Section: Chapter Questions

Problem 11.15P

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Question

Answers

a) 0.917

b) 9.17 cm

c) 1.08 N

12 Problem:
A glass container with previous bottom
containing fine sand in loose state, with
void ratio of 0.8, is subjected to hydrostatic
pressure from underneath until quick
condition occurs in the sand.
Specific gravity of sand particles = 2.65.
Area of cross-section of sand sample
= 12 cm2
Height of sample = 10 cn.
%3D
O Compute the critical gradient of the
sand under quick sand condition.
Compute the head of water to cause
quicksand condition.
3 Compute the seepage force acting
from below.

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