风积沙围岩隧道施工新技术研究  

Wind-Blown Sand Surrounding Rock Tunnel Construction Technology

作　　者：王朝杰[1] 

机构地区：[1]河北省交通规划设计院,河北石家庄050011

出　　处：《交通标准化》2014年第4期32-35,共4页Communications Standardization

摘　　要：针对风积沙的特点,通过对不同施工方案的比较与分析,介绍了水平旋喷桩和三台阶临时仰拱法在风积沙隧道施工中的应用,实践表明三台阶临时仰拱法具有很多优点,值得推广。According to the characteristics of aeolian sand and the comparison and the analysis of the dif-ferent construction schemes, this paper introduces the application of the horizontal rotary jet grouting pile and the three steps temporary inverted arch method in the construction of aeolian sand tunnel. Practice shows that the three steps temporary inverted arch method has many advantages and is worth promoting.

关 键 词：风积沙地层 三台阶 临时仰拱 水平旋喷桩 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]