龙厦铁路象山隧道岩溶段施工关键技术  

Critical construction technology at karst section of Xiangshan tunnel of Long-Xia railway

作　　者：徐少争 

机构地区：[1]中铁隧道集团一处有限公司,福建漳州363107

出　　处：《山西建筑》2012年第34期215-217,共3页Shanxi Architecture

摘　　要：结合象山隧道地质特征,通过对全断面、半断面帷幕注浆的工艺流程、注浆参数选择、注浆材料、注浆效果的分析,提出软弱围岩处理过程中要确保施工安全、降低水害风险、采用动态设计;全断面、半断面帷幕注浆封堵采用信息化跟踪注浆工法和快挖快封技术,对软弱围岩处理具有实践性指导意义。Combining with Xiangshan tunnel geology features, the paper analyzes the full section and half section curtain grouting procedures, grouting parameter selection, grouting materials and grouting effect, puts forward some advices, such as ensuring construction security, reducing water damage risk and applying dynamic design in soft surrounding rock treatment, applying informational following grouting technology and fast excavation and fast sealing technology in full section and half section curtain grouting, which has practical meaning for guiding soft surrounding rock treatment.

关 键 词：帷幕注浆 全断面 半断面 软弱围岩 岩溶 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]