Research on grouting material for bolt and grouting reinforcement of soft rock tunnel and its application

HUA Xin-zhu; XIE Guang-xiang

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Research on grouting material for bolt and grouting reinforcement of soft rock tunnel and its application

更新时间：2026-06-25

- Research on grouting material for bolt and grouting reinforcement of soft rock tunnel and its application
- Vol. 25, Issue 10期　刊出日, (2004)
- 作者机构：
  
  中国矿业大学资源与安全工程学院，北京 100083，2. 安徽理工大学资源开发与管理工程系,安徽,淮南,232001
- 作者简介：
- 基金信息：
- DOI：
  CLC： TU223
- Online First：25 July 2014，
  
  Published：2004
- 稿件说明：
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HUA Xin-zhu, XIE Guang-xiang. Research on grouting material for bolt and grouting reinforcement of soft rock tunnel and its application[J]. 2004, 25(10期　刊出日).
DOI：

HUA Xin-zhu, XIE Guang-xiang. Research on grouting material for bolt and grouting reinforcement of soft rock tunnel and its application[J]. 2004, 25(10期　刊出日). DOI：

摘要

锚注加固是一种理想的改善软岩巷道的围岩承载性能的措施。在实验室对粉煤灰-水泥锚注加固注浆材料的流动性、析水性及抗压强度进行了试验研究，找出了注浆材料的适宜配比，即粉煤灰掺量在20 %以下，水灰比为0.65～0.70，并在新集三矿极软岩巷道修复加固中进行了应用。

Abstract

Bolt and grouting reinforcement is an ideal measure for improving performance of bearing capacity of soft surrounding rock around tunnel in soft rock. Based on the test and research for fluidity，performance of separating water and compressive strength of fly ash and cement grouting material in laboratory，grouting material with a proper mixture rate is found (fly ash colume fraction is less thom 20 %

water to cement ratio is from 0.65 to 0.70) An engineering practical example is given that fly ash and cement grouting has been used in very soft rock roadway at the Xinji NO.3 mine in Huainan.

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