双护盾TBM空推段豆砾石回填灌浆技术研究  

Bean Gravel Backfill and Grouting Technique of Double Shield TBM Pushing through the Mine

作　　者：丁华兴 谢俊 张飞 陈寿根[2] Ding Huaxing;Xie Jun;Zhang Fei;Chen Shougen(Shenzhen Municipal Design and Research Institute Co.Ltd.,Shenzhen,Guangdong 518029;Southwest Jiaotong University Key Laboratory of Ministry of education of traffic tunnel engineering,Chengdu,Sichuan 610031)

机构地区：[1]深圳市市政设计研究院有限公司,广东深圳518029 [2]西南交通大学交通隧道工程教育部重点实验室,四川成都610031

出　　处：《江西建材》2021年第4期91-92,94,共3页Jiangxi Building Materials

摘　　要：文中依据深圳市轨道交通6号线工程及其空推段豆砾石回填及灌浆工艺,采用室内试验,对双浆液配比进行研究,确定了各原材料参数;采用现场实验,对止浆环的性能及其参数进行验证;采用理论推导,对豆砾石回填量进行计算;采用对阶梯式和对称式的原则,对工艺中存在的问题进行了探讨;为同类工程提供一定的实践经验。In this paper,based on the soy gravel backfill and grouting technology of Shenzhen Rail Transit Line 6 project and its empty push section,indoor tests are used to study the ratio of two grouts to determine the raw material parameters;field tests are used to determine the performance of the grout ring And its parameters are verified;theoretical derivation is used to calculate the amount of backfill of pea gravel;the principle of stepped and symmetrical is used to discuss the problems existing in the process;and certain practical experience is provided for similar projects.

关 键 词：双护盾TBM 豆砾石回填 室内试验 止浆环 

分 类 号：U231[交通运输工程—道路与铁道工程]