Q #1: Figure 1 shows the section of a gravity dam built of concrete. Examine the stability of this section at the base for both the cases, i.e. (1) Reservoir Empty, and (2) Reservoir Full. The earthquake forces may be taken as equivalent to 0.1 g for horizontal forces and 0.05 g for vertical forces. A tail water depth of 6 m is assumed to be present when the reservoir is full and there is no tail water when the reservoir is empty. Also, indicate the values of various kinds of stresses that are developed at heel and toe. Assume the unit wt. of concrete as 24 kN/m³ and unit wt. of water = 9.81 kN/m³. M.W.L. 4m 26 m +7m

Structural Analysis
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Irrigation Engineering

 

 

Q #1: Figure 1 shows the section of a gravity dam built of concrete. Examine the stability of this
section at the base for both the cases, i.e. (1) Reservoir Empty, and (2) Reservoir Full. The
earthquake forces may be taken as equivalent to 0.1 g for horizontal forces and 0.05 g for
vertical forces. A tail water depth of 6 m is assumed to be present when the reservoir is full
and there is no tail water when the reservoir is empty. Also, indicate the values of various
kinds of stresses that are developed at heel and toe. Assume the unit wt. of concrete as
24 kN/m³ and unit wt. of water = 9.81 kN/m³.
M.W.L.
4m
26 m
86m
60m
1 in 10
+7m
Reg.No/100
Fig. 1 for Q # 1
Transcribed Image Text:Q #1: Figure 1 shows the section of a gravity dam built of concrete. Examine the stability of this section at the base for both the cases, i.e. (1) Reservoir Empty, and (2) Reservoir Full. The earthquake forces may be taken as equivalent to 0.1 g for horizontal forces and 0.05 g for vertical forces. A tail water depth of 6 m is assumed to be present when the reservoir is full and there is no tail water when the reservoir is empty. Also, indicate the values of various kinds of stresses that are developed at heel and toe. Assume the unit wt. of concrete as 24 kN/m³ and unit wt. of water = 9.81 kN/m³. M.W.L. 4m 26 m 86m 60m 1 in 10 +7m Reg.No/100 Fig. 1 for Q # 1
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