Experiment on microbial grouting reinforcement of tailings under the regulation of egg white

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成果类型：

期刊论文

作者：

Zheng, Huai-miao;Wu, Ling-ling;Tong, Kai-wen;Ding, De-xin;Zhang, Zhi-jun*;...

通讯作者：

Zhang, Zhi-jun

作者机构：

[Zheng, Huai-miao; Yu, Qing; Zhang, Zhi-jun; Wu, Ling-ling; He, Gui-cheng; Ding, De-xin] Univ South China, Sch Resource & Environm & Safety Engn, Hengyang 421001, Peoples R China.

[Zheng, Huai-miao; Yu, Qing; Zhang, Zhi-jun; Wu, Ling-ling; He, Gui-cheng; Ding, De-xin] Hunan Prov & Hengyang City Engn Technol Res Ctr D, Hengyang 421001, Peoples R China.

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

[Tong, Kai-wen] Univ Chinese Acad Sci, Beijing 100049, Peoples R China.

通讯机构：

[Zhang, Zhi-jun] U

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

语种：

英文

关键词：

Tailings sand;MICP;Organic substrate;Calcium carbonate;Shear strength

期刊：

Soils and Foundations

ISSN：

0038-0806

年：

2020

卷：

期：

页码：

962-977

DOI：

10.1016/j.sandf.2020.07.004

基金类别：

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51804164, 51774187, 51974163]; Natural Science Foundation of Hunan ProvinceNatural Science Foundation of Hunan Province [2019JJ50498, 2017JJ3274]; Scientific Research Foundation of Hunan Provincial Education DepartmentHunan Provincial Education Department [18B276, 17A184]; Hunan province & hengyang city Engineering Technology Research Center for Disaster Prediction and Control on Mining Geotechnical Engineering [2019TP2070]

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 Induced Calcium Carbonate Precipitation (MICP) has some disadvantages, such as low crystallization conversion rate of calcium carbonate and insufficient strength properties of tailings. In this paper, a modified method combining soft template calcium carbonate mineralization technology with microbial grouting reinforcement technology was proposed. The tailings solidification was studied with the control of nine different concentrations of egg white (0%, 5%, 10%, 15%, 20%, 30%, 40%, 60% and 80%). After 14 days of grouting reinforcement...

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Experiment on microbial grouting reinforcement of tailings under the regulation of egg white

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