A gravity dam of trapezoidal cross section with one face vertical and horizontal base is 22m high and has a thickness of 4m at thetop. Water upstream stands 2m below the crest of the dam. The specific gravity of masonry is 2.4. Considering uplift pressure tovary uniformly from full hydrostatic pressure at the heel to zero at the toe: (1) Find the base width 'B' of the dam so that theresultant force will act the extremity of the middle third near the toe. (2) Compute the maximum compressive stresses actingagainst the base of the dam. (3) Compute the minimum compressive stresses acting against the base of the dam. Please attach youranswers and solution in the space provided or at the end of this ass ssment.Use the editor to format your answerAdditional content

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Answered: A gravity dam of trapezoidal cross…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

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Problem 1P

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A gravity dam of trapezoidal cross section with one face vertical and horizontal base is 22m high and has a thickness of 4m at the top. Water upstream stands 2m below the crest of the dam. The specific gravity of masonry is 2.4. Considering uplift pressure to vary uniformly from full hydrostatic pressure at the heel to zero at the toe: (1) Find the base width 'B' of the dam so that the resultant force will act the extremity of the middle third near the toe. (2) Compute the maximum compressive stresses acting against the base of the dam. (3) Compute the minimum compressive stresses acting against the base of the dam. Please attach your answers and solution in the space provided or at the end of this assessment.
A gravity dam of trapezoidal cross section shown below, with one face vertical and a horizontal base is 20 m high and 4 m thick at the top. The water at the upstream vertical face stands 2 m below the crest of the dam. The specific gravity of the masonry is 2.4. Compute the base width of the dam when the resultant force will cut the extremity of the middle third considering the uplift pressure force varies uniformly 100% from heel to zero at toe.
of trapezoidal thickness of 0.6 m 6.75 m high and the vertical the dam cross-section, at the А with end face masonry vertical, one top and 3 m at the is subjected to has a bottom. It is face water standing 4.6 m upstream side. Assume that the hydrostatic uplift varies uniformly from 50% at the heel to zero at the toe. Use s = 2.4 for concrete. water pressure, above the base at the Compute the following: a. Vertical reaction of the foundation b. Distance of the vertical reaction from the toe. c. Factor of safety against overturning. d. Factor of safety against sliding. Use u = 0.6 e. Maximum pressure along the base due to the forces acting on the dam. f. Minimum cessure along the base due to the forces acting on the dam.
A concrete dam of trapezoidal cross-section with one face vertical has a thickness of 3.5 m. at the top and 15 m. at the bottom. It is 20 m. high and has a horizontal base. The inclined face is subjected to a water pressure, standing 18 m. above the base. The specific gravity of the concrete is 2.4. Assume no hydrostatic uplift. Determine: a. Total hydrostatic force acting perpendicular to the inclined surface b. Location of resultant force which intersects the base from the toe c. Pressure at heel and toe
A dam 4m on top 18m at the bottom and 25m high has water 20m deep acting on its vertical sides. Determine the foundation pressure at the bottom of the dam.Specific gravity of concrete is 2.4.
6. A dam 4m on top 18m at the bottom and 25m high has water 20m deep acting on its vertical sides. Determine the foundation pressure at the bottom of the dam. Specific gravity of concrete is 2.4. 5m 20⁰ m
Masonry dam of trapezoidal cross sections, with one face vertical, has a thickness of 600mm at the top and 3m at the bottom. It is 6.70m and has horizontal base. The inclined face is subject to water pressure, the water standing to be a depth of 4.57m above the base. The masonry has an s.g.= 2.4. If there is no hydrostatic uplift, where will the resultant pressure intersect the base? Is this a good design?
A gravity dam of trapezoidal cross-section with one face vertical and horizontal base is 22 m high and has a thickness of 4 m at the top. Water upstream stands 2 m below the crest of the dam. The specific gravity of masonry is 2.4. FS(sliding) = 1.5
A masonry dam of a trapezoidal section with one face vertical is 0.60m thick at the top and 3m at the bottom. It is 6.60m high and has a horizontal base. On the inclined face water stands 4.5m deep. Assume sp.gr. = 2.4 for the dam and hydrostatic uplift varies. from 60% at the heel to zero at the toe. Use sp.gr. = 7.4 for concrete. c) What is the factor of safety against overturning? d.) What is the factor of safety against sliding assuming M=0.51 e) what is the intensity of pressure at the toe?
NOTE!! ONLY ANSWER D, E, AND F. THANK YOU. A section of a gravity masonry dam is shown in the figure water is flush at the top of the dam upstream and 5m from the ground downstream. Assume hydrostatic uplift to vary uniformly from full hydrostatic pressure from the heel to zero at the drain density of water is 1000kg/m^3. The specific gravity of concrete is 2.4. Determine: a. The location of the resultant force b. Factor of safety against sliding if coefficient of friction is 0.75 c. Factor of safety against overturning d. Stress at the heel and the toe e. Unit horizontal shearing stress at the base f. Factor of safety against overturning neglecting uplift NOTEEE!!! (Only answer D, E, and F)
Solution for this please,Final answer: a. B = 13.766 mb. qt = -438.87 kPa; qh = 0 kPa A gravity dam of trapezoidal cross section with one face vertical and horizontal base is 22m high and has a thickness of 4m at the top. Water upstream stands 2m below the crest of the dam. The specific gravity of masonry is 2.4. A. Considering uplift pressure to vary uniformly from full hydrostatic pressure at the heel to zero at the toe: 1.Find the base width B of the dam so that the resultant force will act the extremity of the middle third near the toe.2.Compute the maximum and minimum compressive stresses acting against the base of the dam.
The masonry dam of trapezoidal section has its upstream face vertical. The height is 10 m and top is 3 m wide. Find the minimum width of base in meters if there is no tension at the base and water reaches the top of the dam. Take weight of water= 9.81 kN/m3 and weight of masonry = 22 kN/m3 a. 8 m b.5 m c.6 m d.7 m

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