中国工程科学Issue(8)：54-63,10.
大断面黄土隧道台阶法双层支护技术
Double-layer support technology of large-section loess tunnel by benching method
摘要
Abstract
Relying-on-the-construction-under-crossing-the-existed-south-Tongpu-Railway-with-a-small-included-angle-at-Gaoqiao-tunnel-of-Zhengzhou-Xi’an-high-speed-rail,carrying-out-the-test-and-study,the-mechanical-characteristics-and-key-construction-techniques-of-the-double-layer-support-system-of-large-section-loess-tunnels-by-benching-method-are-acquired.-It-success-fully-resolved-the-construction-difficulties-of-super-large-section-tunnel(171-m2)under-crossing-the-operating-railway-in-the-depth-of-only-11-m-under-sandy-neoloess,thus-to-have-the-signifi-cant-reference-for-the-design-and-construction-of-the-similar-engineering.关键词
大断面黄土隧道/台阶法/双层支护/下穿Key words
large-section loess tunnel/benching method/double-layer support/under cross-ing分类
交通工程引用本文复制引用
李国良,宋冶,李雷,王新东,李波..大断面黄土隧道台阶法双层支护技术[J].中国工程科学,2014,(8):54-63,10.基金项目
铁道部科技研究开发计划项目（2005K001-D（G）-1） （）
