For an economical design of gravity dam, the shear friction factor causec compression strength should lie between____________________?
Correct answer: B. 1.5 to 4.0
- A. 2.0 to 4.0
- B. 1.5 to 4.0
- C. 2.5 to 4.5
- D. 3 to 5
Explanation
For an economical gravity-dam design, the shear-friction factor is generally maintained between 1.5 and 4.0. A value below this range may indicate inadequate resistance to sliding, while an unnecessarily high value can make the dam uneconomical.
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