人工砂混凝土试验研究

2008 First International Conference on Emerging Trends in Engineering and Technology Pub Date : 2008-07-16 DOI:10.1109/ICETET.2008.164

M. R. Chitlange, P. S. Pajgade, P. Nagarnaik

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引用次数: 9

摘要

一般来说，混凝土是水泥、沙子和骨料的混合物。由于所用集料强度的变化，混凝土的强度有很大的变化。由于不断增长的建筑活动对天然砂的大量需求，迫使人们寻找合适的替代品，因此天然砂供不应求。获得天然砂替代品的最便宜和最简单的方法是将天然石粉碎，得到所需尺寸和等级的人造砂，这种砂将不含任何杂质。综合考虑技术、环境和经济等因素，论述了采用破碎玄武岩人工砂代替天然砂的可行性。为进行试验，设计了M20、M30和M40级混凝土配合比，100%用天然砂代替人工砂。对人工砂混凝土进行了抗压和抗弯试验，并与天然砂混凝土进行了对比。

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Experimental Study of Artificial Sand Concrete

Conventionally concrete is a mix of cement, sand and aggregate. There is a large variation in the strength of concrete due to variation in the strength of aggregates used. There is scarcity of natural sand due to heavy demand in growing construction activities which forces to find the suitable substitute. The cheapest and the easiest way of getting substitute for natural sand is by crushing natural stone to get artificial sand of desired size and grade which would be free from all impurities. This paper presents the feasibility of the usage of artificial sand obtained by crushing basalt over natural sand considering technical, environmental and commercial factors. For the purpose of experimentation concrete mixes are designed for M20, M30 and M40 grades by 100% replacement of natural sand to artificial sand. Compressive and flexural tests are conducted to study the strength of concrete using artificial sand and the results are compared with that of natural sand concrete.

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2008 First International Conference on Emerging Trends in Engineering and Technology

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