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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.
Define Rotation - Actions in POT Bearings? POT bearings are associated with large rotations which are accommodated by the deformation of elastomeric pad. Large cyclic rotations
Q. Residual stresses in steel after welding? Considerable residual stresses are persuaded in connecting steel members after welding operation. Local temperature of steel where
Resultant Force on a Given Area of a Vertical Plane The resultant force is calculated from the average pressure: R = (AVERAGE Ρ)(A)
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Question Soil nails are mostly designed for stabilization of key slips . How can designer cater for stability of minor slips? Answer There are many methods to treat mi
Sir how can we find location of neutral axis for a curved beam of circular cross section,,,
The state of a pure substance of given mass is defined by specifying two appropriate properties provided that 1. The system is in equilibrium 2. Gravity, motion, electricity,
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