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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.
Q.for ISMB200 having 6.70 m span simply supported so find out load carrying capacity.
Ask question #Minimum 100 words acceFor this discussion, look at a specific country of your choice. Develop two brief introductions, one for a U.S. peer, and one for a peer in anot
III. Calculate the magnitude and sense of the member forces BC, BG and HG using the method of sections
Question What is major disparity between fasteners , bolts and screws ? Answer Fastener is a broad term to explain something that is used as a restraint for holding
Recognize the losses of prestress Recognising the losses of prestress which take place after the prestressing OF concrete structural elements, it is to be appreciated that pres
Distance ABC was measured with a 30m. Chain tested and found to be correct in the beginning of the work .after measuring AB=1.2 km chain was found to be 10 cm. To long chaining was
process properties
Example : Determine the declination at a place, if at noon the magnetic bearing to the sun is (a) 358° (b) 185° Solution: (a) Referring to given figure (a) since the ma
Pavement of evaluation
What is the meaning of Elastic Shortening of Concrete At the transfer stage, compressive prestressing force is transferred to the concrete. Due to this compressive force, concr
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