论文部分内容阅读
砾石(岩)层在第四纪地层中是一种分布较广,存在比较普遍的岩层.由于它具有较强的富水性和特殊的水理性质,对于潜水位较高,砾石(岩)层比较发育,而且特凿条件不具备的矿区来讲,它将成为井筒开凿的严重障碍.为了加强井筒施工,提高注浆效果,进一步探讨砾石(岩)层的注浆参数,就需要研究和分析砾石(岩)的成因,分布状态、岩性、水理性质以及予注浆施工方法.
The gravel (rock) layer is a widely distributed and relatively widespread rock in the Quaternary strata. Because of its strong water-richness and special hydrological properties, the gravel (rock) It will be a serious obstacle in the wellbore excavation in the mining area which is relatively developed and not particularly excavated.In order to strengthen the wellbore construction and enhance the grouting effect and further discuss the grouting parameters of the gravel layer it is necessary to study and analyze Gravel (rock) causes, distribution, lithology, hydraulic properties and to the grouting construction methods.