Experimental study on solidification of tailings by MICP under the regulation of organic matrix

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成果类型：

期刊论文

作者：

Zhang, Zhi-jun;Tong, Kai-wen;Hu, Lin;Yu, Qing;Wu, Ling-ling*

通讯作者：

Wu, Ling-ling

作者机构：

[Yu, Qing; Zhang, Zhi-jun; Hu, Lin; Wu, Ling-ling] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Tong, Kai-wen] Chinese Acad Sci, Inst Rock & Soil Mech, Wuhan 430071, Peoples R China.

[Yu, Qing; Zhang, Zhi-jun; Wu, Ling-ling] Univ South China, Key Discipline Lab Natl Def Biotechnol Uranium Mi, Hengyang 421001, Peoples R China.

[Yu, Qing; Zhang, Zhi-jun; Hu, Lin; Wu, Ling-ling] Hunan Prov Min Geotech Engn Disaster Predict & Co, Hengyang 421001, Peoples R China.

通讯机构：

[Wu, Ling-ling] U

Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China.

语种：

英文

关键词：

Organic matrix;Grouting reinforcement;Calcium carbonate;Tailings

期刊：

Construction and Building Materials

ISSN：

0950-0618

年：

2020

卷：

265

页码：

120303

DOI：

10.1016/j.conbuildmat.2020.120303

基金类别：

National Natural Science Foundation of China, ChinaNational Natural Science Foundation of China (NSFC) [51804164, 51774187]; Natural Science Foundation of Hunan Province, ChinaNatural Science Foundation of Hunan Province [2019JJ50498, 2017JJ3274]; Research Foundation of Education Bureau of Hunan Province, China [18B276, 17A184]

机构署名：

本校为第一且通讯机构

院系归属：

核资源工程学院

摘要：

Microbial grouting reinforcement technology can improve the strength of tailings to a certain extent, but there is still much room for improvement. To balance the adverse effects of the technology to cure the tailings, this paper introduced the mineralization technology of soft template into the microbial induced calcium carbonate precipitation (MICP), and carried out the experiments on microbial grouting to strengthen the tailings under the control of organic matrix. The results of aqueous solution test showed that the organic matrix can significantly regulate the structural characteristics o...

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Experimental study on solidification of tailings by MICP under the regulation of organic matrix

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