Ask a Question

The change in voids ratio is 0.18 and initial void ratio is 0.68 with the increase of pressure as 200KN/m^2. Find the coefficient of Compressibility.

← Prev Question Next Question →
+1 vote
in Geotechnical Engineering I by (102k points)
The change in voids ratio is 0.18 and initial void ratio is 0.68 with the increase of pressure as 200KN/m^2. Find the coefficient of Compressibility.

(a) 0.9 m^2/MN

(b) 0.7 m^2/MN

(c) 0.4 m^2/MN

(d) 0.5 m^2/MN

I have been asked this question in an online quiz.

My question is based upon Consolidation Problems in chapter One Dimensional Consolidation of Geotechnical Engineering I

1 Answer

+1 vote
by (727k points)
selected by
 
Best answer
The correct choice is (a) 0.9 m^2/MN

Explanation: Given,

∆ef=0.18

eo=0.68

∆σ’=200kN/m^2

\(m_v=\frac{-∆e}{1+e_o}\frac{1}{∆σ’}\)

since, \(m_v=\frac{a_v}{1+e_0}\)

av=mv(1+e0)=0.536(1+0.68)

av=0.9 m^2/MN.

Related questions

We welcome you to Carrieradda QnA with open heart. Our small community of enthusiastic learners are very helpful and supportive. Here on this platform you can ask questions and receive answers from other members of the community. We also monitor posted questions and answers periodically to maintain the quality and integrity of the platform. Hope you will join our beautiful community

Categories

Powered by TalkJarvis
...