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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.
Cumulative distribution function - Poisson distribution: Find the cdf of Y = X 1 , + X 2 where X I and X 2 independently follow Poisson distribution with parameters λ l an
On a per pound basis, steel pipe is stronger in bending and is less likely to buckle in axial compression.
i want to just understand civil eng main points of all subjects which i becam able to tell some body about this tha what is this ?
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A contractor was awarded a Contract to excavate and haul 200,000-yds 3 of silty clay (USCS classification ML) with a bulking factor of 30%. The contractor's fleet of dump trucks
I am taking a fluid mechanics class that is related to wastewater treatment. I need help with my homework
Explain the Principle of Working of Shock Transmission Unit? The STU consists of a machined cylinder with a transmission rod that is connected at one end to the structure and a
Explain step by step procedure involved in the analysis and design of balanced cantilever bridge.
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