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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. Water control for sheet pile walls? Ground water flow into excavations constructed by sheet pile walls must be minimized in order to save the cost of the provision of pumpin
how do i Setting up The total station theodolite?
Explain the Activitated Sludge (Aeration Tank)? The activated sludge treatment process is a biochemical oxidation process. Organic solids are stabilized through the oxidation p
Primary effluent wastewater at 60 o F (v = 1.217 x 10 -5 ) is pumped to the top of a trickling filter (TF) a total of 75 vertical feet through schedule-40 welded steel pipe. The fl
Enumerate the term - superposing the stress variations If the case of concentric pre-stressing is considered, we can appreciate that stress at any section of the beam is compr
Question What is key disparity between working stress approach and limit state approach ? Answer Working stress approach, service loads are used in whole plan and st
Define friction
Plants aeration period: Problem: What is the plant's aeration period? Solution The plant's aeration period is the number of hours that the wastewater is aerated
Define Hydraulic tools for underwater inspection of bridge? Hydraulic tools involve grinders, rotary brushes and scrubbers. The benefits of hydraulic tools are the same as thos
Q. Write short notes on Bricks? Bricks are an important construction material required in bulk Quantities for construction of walls both sub structure & super structure. For th
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