Artificial Sand Or Natural Sand For Construction

Pulled by the need of expanding domestic demand

, infrastructure investment, such as roads, railways etc, is increasing. Such large engineering project needs lots of high quality sand. Howevernatural sand is non-renewable resources, with the large-scale exploitation, is increasingly drying up. In such a scenario, artificial sand is seen as a welcome alternative to natural sand. The application of artificial sand will effectively make great contribution to the development of our life. In the process of sand production, sand making and stone crushing equipment is necessary. The raw materials mainly are granite, limestone, basalt, pebbles etc, through a series of crushing and screening equipment in order to reach required level.

The natural sand has several disadvantages compared to artificial sand, which make artificial sand become the mainstay of stone-production in the field of construction.

The natural sand available in the riverbed is very course and contains very much percentage of silt and clay which reduce the strength of the concrete and hold dampness.

Fine particles below 600 microns must be up to at least 30% to 50% for good results. At present these particles are not present in river sand up to the required quantity.

Digging the sand, from riverbed is hazardous to environment. The deep pits dug in the riverbed, effects on ground water level. Erosion of the nearby land is also due excess sand lifting. Government has banned for lifting Sand from riverbed in many areas. The sand available and allowed to lift is of inferior quality.

The natural river sand is the product of sedimentation. Mica, coal, fossils and other organic impurities are present in the river sand. The increase of these impurities above certain percentage makes the sand useless for concrete work. For getting required fineness module the sand should be sieved. In routine average wastage of sieving are about 35% and extra Labor cost involved.

Henan Hongxing Mining Machinery Co., Ltd. is one of the most famous sand maker manufacturer in China, who can supply the most suitable sand maker for customers.

by: jocelyn

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