onry dam of trapezoidal cross-section, with one face vertical, has a thickness of 2ft at the top and 10ft at the bottom. It is 22 high and has a horizontal base. The vertical face is subjected to water pressure, the water standing 15 feet above the base. The weight of the masonry is 150 psf. Where will the resultant pressure intersect the base, and what will be the intensity of pressure at the heel and toe assuming: (a) there is no hydrostatic uplift (b) there is a hydrostatic uplift that varies uniformly from that due to a full head of 15ft at the hell to zero at the toe
onry dam of trapezoidal cross-section, with one face vertical, has a thickness of 2ft at the top and 10ft at the bottom. It is 22 high and has a horizontal base. The vertical face is subjected to water pressure, the water standing 15 feet above the base. The weight of the masonry is 150 psf. Where will the resultant pressure intersect the base, and what will be the intensity of pressure at the heel and toe assuming: (a) there is no hydrostatic uplift (b) there is a hydrostatic uplift that varies uniformly from that due to a full head of 15ft at the hell to zero at the toe
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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A masonry dam of trapezoidal cross-section, with one face vertical, has a thickness of 2ft at the top and 10ft at the bottom. It is 22 high and has a horizontal base. The vertical face is subjected to water pressure, the water standing 15 feet above the base. The weight of the masonry is 150 psf. Where will the resultant pressure intersect the base, and what will be the intensity of pressure at the heel and toe assuming:
(a) there is no hydrostatic uplift
(b) there is a hydrostatic uplift that varies uniformly from that due to a full head of 15ft at the hell to zero at the toe
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