隧道喷射钢纤维混凝土支护的力学特性及其施工技术  

Mechanical Properties and Construction Technology of Steel Fiber Reinforced Shotcrete as Tunnel Support

作　　者：胡雪钦 陈思茹[2] 

机构地区：[1]湖南广播电视大学,湖南长沙410004 [2]陕西交通职业技术学院,陕西西安710018

出　　处：《筑路机械与施工机械化》2015年第6期92-94,98,共4页Road Machinery & Construction Mechanization

摘　　要：阐述了钢纤维掺合料对混凝土性能的改善机理及技术原理,并与非复合型混凝土进行对比分析;探讨喷射钢纤维混凝土支护隧道围岩的主要力学特性与作用机理;论证了在隧道支护工程中使用喷射钢纤维混凝土可以满足新奥法的要求;并对湿喷钢纤维混凝土施工的关键技术进行了简要介绍。The technical principle of improving the performance of concrete with steel fiber was expounded, and a comparison with non-composite concrete was carried out. The mechanical properties and working principle of applying steel fiber reinforced shotcrete to support surrounding rocks were discussed. It is stated that using steel fiber reinforced shotcrete as tunnel support meets the requirement of New Austrian Method and has great prospect. And key technologies of the construction were briefly introduced.

关 键 词：钢纤维混凝土 隧道支护 力学特性 作用机理 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]