砂性地质钻孔灌注桩施工技术及常见问题处理

文章编号:(201601-0019-04

砂性地质钻孔灌注桩施工技术及常见问题处理

 

(陕西高速公路工程咨询有限公司,陕西 西安  710061

  要:结合西铜高速公路XTK-4标渭河刚构段砂性地质钻孔灌注桩施工实践,分析施工过程中砂性地质桩基塌孔、缩径、埋钢筋笼、堵管等的原因,提出相应的解决方法,为保证桩基正常施工提供参考。

关键词:砂性地质钻孔灌注桩问题处理

中图分类号U415          文献标识码A

Bored Piles Construction Technology

and Common Problems in Sand Geologic Area

ZHANG Ying

Shaanxi Expressway Engineering Consulting Co. Ltd.Xi'an 710061China

AbstractCombined with bored piles of Weihe river steel cable rack construction practice in sand geologic area of Xi’an to Tongchuan highway XTK-4 contract sectionthe reasons such as medium sand pile foundation hole collapsereducingburied steel reinforcement cageblocking pipeetc in construction process were analysedwheresas corresponding solutions were put forward to provide the reference for the normal pile foundation construction.

Key wordssand geologicalbored pilesproblem processing