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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.
Explain the Shrink Factor of Soil In addition to the swell factor and its associated load factor, soil also has a shrink factor. While the first two relate the volume of an equ
Explain the Traffic Safety - Transportation Crash rates are normally considered better indicators of risk than crash frequencies. a. Crash rates for intersections are norma
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Assignment Topic grade of concrete
The liquid limit and plastic limit of clay are 100% and 25%, respectively. From a hydrometer analysis it has been found that the clay soil having of 50% of particles smaller than 0
hi sir. i hope every thing is fine with you. I want to have an information about the way how to compute stream flow from the rainfall over the catchment and anso need the way how t
Define Ways of providing the anti slip device - By Bolting? The elastomeric bearing can be vulcanised with a stainless steel outer plate. The stainless steel plate is provided
find the equation of the line with slope 4 and passing through the point of intersection of the line x+6y-4=0 ad 3x-4y+2=10
State the size of a square footing at the ground level to transmit a load of 900 kN in sand weighing 18 kN/m 3 and having an angle of shearing resistance of 36° (N = 46, Nq = 43)
State the term - Relaxation of Stress in Steel If we keep a high-tensile steel wire stretched and maintained at a constant strain, the value of the force in the wire does not
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