A gravity dam is to be designed as a high dam if it’s height h is as follows:
where fc = permissible comp, stress, μ, W and Ss have their usual meaning
In modern practice the free board normally provided for gravity dam is
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Consider the following statements :
Phreatic line in an earth dam is
1. elliptical in shape
2. an equipotential line
3. the top-most flow line with zero water pressure
4. approximately a parabola
Which of these Statements are correct?
The down stream slope of an earthen dam is critical when
The safe base width B of an elementary gravity dam profile using stability or sliding criteria is given by
where:
h = height of dam;
C = uplift pressure coefficient.
Others have usual meaning
When a reservoir is full, the maximum compressive stress in gravity-dam occurs
An earthquake acceleration of 0.1 g acting vertically downward causes in a gravity dam
What is the height of wave which is likely to be generated by a wind of 80 km/hr in a reservoir having a fetch of 50 km?