主井井筒地面预注浆设计与施工技术研究
|
摘要
本文结合某矿井井筒周围环境的地质构造特点和含水层情况以及冻结特殊凿井法和注浆方法的工艺特征,确定矿井主井井筒建设方法使用冻结特殊凿井法、注浆法和井筒掘砌方法三种方法,矿井主井井筒地面注浆部分包括S孔段和直孔段注浆两部分,对井筒地面实施注浆工程能对井筒周围围岩岩石部分进行较好的加固处理,增强了围岩强度,获得了较好的注浆效果。
Combining with the geological structure characteristics and aquifer conditions of the surrounding environment of a mine shaft and the technological characteristics of freezing special sinking method and grouting method, this paper determines that the main shaft construction method of mine uses three methods: freezing special sinking method, grouting method and shaft excavation and lining method. In this paper, the construction method of the shaft of the main shaft of the mine uses three methods: freezing special sinking method, grouting method and shaft digging method. The grouting part of the shaft surface of the main shaft of the mine includes S-hole section and straight hole section grouting. The grouting project on the shaft surface can reinforce the rock part of the surrounding rock of the shaft, enhance the strength of the surrounding rock and obtain a good grouting effect.
Combining with the geological structure characteristics and aquifer conditions of the surrounding environment of a mine shaft and the technological characteristics of freezing special sinking method and grouting method, this paper determines that the main shaft construction method of mine uses three methods: freezing special sinking method, grouting method and shaft excavation and lining method. In this paper, the construction method of the shaft of the main shaft of the mine uses three methods: freezing special sinking method, grouting method and shaft digging method. The grouting part of the shaft surface of the main shaft of the mine includes S-hole section and straight hole section grouting. The grouting project on the shaft surface can reinforce the rock part of the surrounding rock of the shaft, enhance the strength of the surrounding rock and obtain a good grouting effect.
引文
[1]李飞越.立井凿井工作面预注浆设计与施工[J].煤炭工程,2017(12):41-43.