摘要
主要介绍广清高速公路扩宽工程新华高架桥溶洞桩基施工方案的编制过程及成孔过程的技术控制,以及旋挖钻机在桥梁桩基成孔的新工艺应用。
In this paper, the compilation process, technical control of hole-forming process of Karst cave pile foundation and the application of rotary drilling rig in hole-forming process of pile foundation of Xinhua Viaduct in Guangqing Expressway Widening Project have been mainly introduced.
作者
卓荣民
ZHUO Rongmin(Guangdong Hualu Transport Technology Co., Ltd., Guangzhou 510420)
出处
《广东公路交通》
2019年第4期165-169,共5页
Guangdong Highway Communications
关键词
旋挖钻机
特制钢护筒
溶洞处理
抛填挤密法
护筒跟进
rotary drilling rig
special steel casing
karst cave treatment
filling and compaction method
casing tracking
