Research Progress of Concrete Prepared by Desert Sand

Abstract

Abstract: Adopting the strategy of “taking local materials according to local conditions” and reasonably using desert sand for concrete preparation is an effective way to alleviate the contradiction between supply and demand of sand for construction in Northwest China. Firstly, the basic physicochemical characteristics of desert sand in different regions through the method of combining literature research and statistical analysis were summarized. Secondly, the current research status of desert sand concrete preparation was combed. And its existing problems, prospected the future research development direction of desert sand concrete were summarized. Studies at the present stage show that desert sand can replace or partially replace aggregate in the preparation of concrete under certain conditions. The workability, mechanical properties and durability (frost resistance, high temperature resistance) of concrete prepared by desert sand partially replacing river sand meet the general engineering requirements, and some conditions are even better than ordinary concrete. This research review provides reference for the application of desert sand concrete in practical engineering, and provides a new model reference for realizing the green mining and resource utilization of desert sand.

Key words: desert sand, construction sand, concrete, fine aggregate, comprehensive utilization

CLC Number:

TU528

SHEN Yanjun, HAO Jianshuai, BAI Zhipeng, ZHOU Zihan, LI Yugen, LIAO Taichang, ZHANG Kaifeng. Research Progress of Concrete Prepared by Desert Sand[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2021, 40(12): 3879-3890.

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