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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.
what is a couple?
Design sewerage net work
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Question For fixing of silt curtains, what is the reason that it does not desirable to design the curtain to touch the seabed ? Answer Silt finished are resistant ve
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Two readings ie 1.64m and 0.73m were taken during leveling procedure to define the slope of a centerline of a bridge at points A and B. If distance AB=50 m, find the slope of line
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what is the importance of plagiarism in civil Engeneering
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