城仔山大跨度隧道机械化双台阶法施工数值模拟研究  

Numerical Simulation of Mechanized Double-Step Construction of Chengzaishan Long-Span Tunnel

作　　者：刘晓 LIU Xiao(China Railway 11th Bureau Group fourth Engineering Co.Ltd.,Wuhan 430061,China)

机构地区：[1]中铁十一局集团第四工程有限公司,武汉430061

出　　处：《工程建设与设计》2024年第19期79-81,共3页Construction & Design for Engineering

摘　　要：机械化双台阶法作为一种优秀的施工工法,已在世界范围内被广泛应用。论文利用FLAC 3D数值模拟软件,对隧道掘进及支护过程进行了机械化双台阶法施工数值模拟,分析了洞周位移与管棚应力在不同工序下的演化规律。Mechanized double step method,as an excellent construction method,has been widely used in the world.This paper uses FLAC3D numerical simulation software to simulate the process of tunneling and supporting by mechanized double-step method,and analyzes the evolution law of the displacement around the tunnel and the stress of the pipe shed under different working procedures.

关 键 词：隧道开挖 双台阶施工 数值模拟 FLAC 3D 

分 类 号：U455.4[建筑科学—桥梁与隧道工程]