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Chat OnlineThis paper describes an experimental investigation into the pore structure of cement mortar using mercury porosimeter.Ordinary portland cement, manufactured sand, and natural sand were used.The porosity of the manufactured sand mortar is higher than that of natural sand at the same mix proportion on the contrary, the probable pore size and threshold radius of manufactured sand mortar are finer.
Chat OnlineLiterature review a.As per siddharth p.Upadhyay studied that the compressive strength of high performance concrete with the replacement of cement with alccofine and fly ash, and also with natural sand to manufactured sand the concrete specimens were cured on normal moist curing under normal atmospheric temperature.The compressive.
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Chat OnlineSoda-lime glass, most common form of glass produced.It is composed of about 70 percent silica silicon dioxide, 15 percent soda sodium oxide, and 9 percent lime calcium oxide, with much smaller amounts of various other compounds.The soda serves as a flux to lower the temperature at which the silica melts, and the lime acts as a stabilizer for the silica.
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Chat Online2 since zero slump concrete is used in production of paver blocks, the quality of blocks produced will depend upon various parameters like the capacity of compaction and vibration of machine, grade of cement used, water content, quality of aggregates used, their gradation and mix design adopted, additives used, handling equipment employed, curing method adopted, level of supervision,.
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Chat OnlineCellular concrete is a cementitious paste of neat cement or cement and fine sand with a multitude of micromacroscopic discrete air cells uniformly distributed throughout the mixture to create a lightweight concrete.It is commonly manufactured by two different methods.Method a,.
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