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QuestionWhat are the key problems if use pumping for concreting works?
AnswerIn pumping operation, force exerted by pumps have to overcome friction involving concrete and pumping pipes, weight of concrete and pressure head when placing concrete above pumps. In actuality, as only water is pump able, it is water in concrete that transfers force. Major problems associated with pumping are effect of isolation and bleeding. To rectify these adverse effects proportion of cement is increased to improve cohesion sequentially to decrease segregation and bleeding. On other hand, the proper selection of aggregate grading helps to get better pump capability of concrete.
Landing Systems: There are two basic types of landing, viz : (a) visual landing, when the weather conditions are favourable, and (b) instrumented landing, when the weat
A soil sample consists of particles ranging in size from 0.6 mm to 0.02 mm. The average exact gravity of the particles is 2.66. Verify the time of settlement of the coarsest and fi
The loading period for a building extended from Feb., 1957 to Feb., 1959. In Feb., 1962, the average measured settlement was found to be 117 mm. The ultimate settlement was expecte
This is the title for my thesis for masters in structural engineering. Is it possible to make for me the literature review? I already have my references.
applications of distomat in briefly
Q If the degree of curve is defined by the angle at the center subtended by an arc (or chord) 20 meters, find the length of the chord in meters so that the versine measured in cm
A Beam A B 12 meter long rests on supports 9 meter apart the right hand end over hanging the supports by 1 m and the left hand end by 2 m . The beam carries a uniformity distribute
Takeoff the 3 elements for the following bridge pier components: 1. Pier Footing, 2. Pier Column, 3. Pier Cap (Top). • Misc Items to include Shear Key. • Misc Items to exclude Reba
describe abot the michelson interfrance
Q. Energy absorbed in heeling during vessel berthing? When a vessel berths on a fender system at a pier, point of contact of berthing ship can be below or above the centre of
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