E3S Web Conf.
Volume 293, 20212021 3rd Global Conference on Ecological Environment and Civil Engineering (GCEECE 2021)
|Number of page(s)||6|
|Section||Environmental Energy and Civil Engineering and Water Conservancy Construction|
|Published online||23 July 2021|
Research progress of rice husk ash in solidified soil
1 School of Civil Engineering zhengzhou University, Zhengzhou 450000, China
2 China Academy of Building Research, Beijing 100013, China
* Corresponding author: Liu qian email@example.com
Rice husk ash is a kind of volcanic ash material with high silicon. This also provides a feasibility for rice husk ash as cement-based auxiliary cementing material. China is rich in rice husk resources, and the rice husk ash is stacked. Using rice husk ash (RHA) instead of traditional cementitious materials can effectively solve the environmental pollution caused by the accumulation of rice husk ash. Domestic and international scholar have added rice husk ash as mineral admixture to concrete, but the utilization rate is very low. In order to increase the added value of rice husk ash, the high silicon property of rice husk ash was used to solidify soil. The application range of solidified soil is wide, the requirements for materials are not high, and the functions are different, which can realize the extensive use of rice husk ash. This paper summarizes the literature on comprehensive utilization of rice husk ash at home and abroad, systematically expounds the physicochemical properties and production process of rice husk ash, introduces the application of rice husk ash in solidified soil, and points out the unsolved problems in this field, which provides a direction for the further development.
© The Authors, published by EDP Sciences, 2021
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