Mechanical Engineering - Strength of Materials - Discussion
Discussion Forum : Strength of Materials - Section 3 (Q.No. 19)
19.
In order to avoid sliding of masonry dam, the force of friction between the dam and soil should be at least __________ the total water pressure per metre length.
Discussion:
2 comments Page 1 of 1.
Sathish said:
8 years ago
Can explain someone?
Himanshu said:
1 decade ago
Can someone explain this?
Max. Shear Stress = 0.5 (Principal Stress).
So, if water pressure (say,=P ), then the shear stress = P/2.
Therefore, to prevent da from failing, Force of friction (Shear stress)> p/2.Hence even option (A) will suffice. Why 1.5 times?
Max. Shear Stress = 0.5 (Principal Stress).
So, if water pressure (say,=P ), then the shear stress = P/2.
Therefore, to prevent da from failing, Force of friction (Shear stress)> p/2.Hence even option (A) will suffice. Why 1.5 times?
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