Sulfoaluminate cement-based double-liquid material grouting in fractured rock

被引：0
作者：
Liu, X. F. [1 ,2 ]
Pan, P. Z. [1 ]
Xiong, Z. Q. [2 ]
Zhou, Y. Y. [3 ]
Wang, Z. F. [1 ]
机构：
[1] Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan, Peoples R China
[2] Henan Polytech Univ, State & Local Joint Engn Lab Gas Drainage & Ground, Jiaozuo, Peoples R China
[3] Northeastern Univ, Key Lab Minist Educ Safe Min Deep Met Mines, Shenyang, Liaoning, Peoples R China
来源：
GEOTECHNIQUE LETTERS | 2024年 / 14卷 / 02期
基金：
中国国家自然科学基金;
关键词：
cementitious materials; failure; grouting;
D O I：
10.1680/jgele.24.00016
中图分类号：
P5 [地质学];
学科分类号：
0709 ; 081803 ;
摘要：
Grouting is a very effective means to repair modified fractured rock. However, problems such as severe grout leakage, slow increase in stone body strength, uncontrolled solidification time and poor permeability are often encountered in the process of traditional grouting reinforcement of fractured surrounding rock. Sulfoaluminate cement-based double-liquid material has the characteristics of quick setting, early strength, micro-expansion and high strength, which shows good applicability in grouting reinforcement of fractured surrounding rock. Currently, there are few reports on this material. Therefore, this study mainly introduces the performance of sulfoaluminate cement-based grouting material, grouting technical process and engineering application case. The sulfoaluminate cement-based double-liquid material grouting technology proposed in this study will provide a new treatment method for the reinforcement of fractured rock masses in underground engineering.
引用
收藏
页码：64 / 70
页数：7
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