In a concrete gravity dam with a vertical upstream face the stabilising force is provided by the ___________________

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The vertical downward earthquake acceleration av = 0.1g acting on a gravity dam will ________________________

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Calculate the value of free-board that should be provided for a reservoir having a wind velocity of 92 km/h and it extends up to 18 km upstream.

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A gravity dam is subjected to hydrodynamic pressure caused by __________

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The vertical component of the earthquake wave which produces adverse effects on the stability of a dam when is acting in ____________________

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What is the value of horizontal destabilizing force caused by the formation of waves in a storage reservoir having a fetch of 52 km due to high wind of 172 km/h?

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The horizontal component of an earthquake wave producing instability in a dam is the one which acts __________________

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The vertical stress at the toe was found to be 3.44 MPa at the base of the gravity dam section. If the downstream face of the dam has a slope of 0.617 horizontal: 1 vertical, the maximum principal stress at the toe of the dam when there is no tailwater is _______________

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The upward acceleration of dam due to seismic activity will ________________________

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A low gravity dam of elementary profile made up of concrete of relative density 2.57 and safe allowable stress of foundation material 4.2 MPa. What is the maximum height of the dam without considering the uplift force?

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What is Von Karman’s formula for hydrodynamic force (Pe)?

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The governing compressive stress in a concrete gravity dam which should not be allowed to exceed the permissible value of about 3000 KN/m^2 while analyzing full reservoir case is ____________________

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A concrete gravity dam having a maximum reservoir level at 200 m and the RL of the bottom of the dam 100 m. The maximum allowable compressive stress in concrete is 3000 KN/m^2 and the specific gravity of concrete is 2.4. Calculate the height of the dam and check whether it is a high dam or low dam.

asked Sep 25, 2023 in Irrigation Engineering by Carter (75.2k points)

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The bottom portion of a concrete or a masonry gravity dam is usually stepped in order to _______

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The small openings made in the huge body of a concrete gravity dam such as sluices and inspection galleries can be assumed to be causing only local effects without any appreciable effect on the distribution of stresses as per the principle of_____________________

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An ogee spillway of a concrete gravity dam having FRL of 328 m and MWL of 340 m is provided with vertical gates between piers erected on the spillway. The effective length of the spillway is 60 m. The discharge through the spillway when gates are opened up to the actual reservoir level of 331.0 m will be_____________

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What is the average value of acceleration that is sufficient for high dams in seismic zones?

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For full reservoir condition in a gravity dam, the critical combination of vertical and horizontal earthquake accelerations to be considered for checking the stability is ________________________

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What is the maximum permissible tensile stress for high concrete gravity dam under worst conditions?

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Calculate the value of minimum base width for an elementary triangular concrete gravity dam supporting 72 m height of reservoir water and full uplift? (Take specific gravity of concrete as 2.4 and coefficient of friction as 0.7)

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Leakage through the transverse joints in a gravity dam is prevented by ____________

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The major principal stress at the toe of a gravity dam under full reservoir condition neglecting the tailwater effect is given by ____________________

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The horizontal joints that extends through the entire width of the dam section and are developed at each lift height is called as ___________________

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For usual values of permissible compressive stress and specific gravity of concrete, a high concrete gravity is the one whose height exceeds ______________

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Transverse joints in concrete gravity dams are the ___________________________

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The buttresses of a free deck buttress dam are provided at ‘x’ m clear spacing and buttress thickness is proposed to be ‘t’ m. The buttress section can then be designed like the section of a concrete gravity dam by considering the effective unit weight of water = Surcharge factor (S) x actual unit weight of water. The value of this surcharge factor is given as _____________

asked Sep 25, 2023 in Irrigation Engineering by Carter (75.2k points)

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