Answer Posted / bishwa mohan thakur
slump test measure the consistency of concrete.It measure the flow of concrete and the work-ability of concrete.We also know the water cement ratio in concrete.It is measure in millimeter(mm).It is measure in the slump cone after the concrete lay in the cone in three layer and each layer we temper 25 times.If we require concrete in pipe line slum value should be 100-120mm and if we directly pour the concrete the slump value should be 80-100mm
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