基于青银高速公路宁东至银川段改扩建项目液态粉煤灰台背回填应用

文章编号:(201603-0017-04

基于青银高速公路宁东至银川段改扩建项目

液态粉煤灰台背回填应用

 

(陕西高速公路工程咨询有限公司,陕西 西安  710061

  要:结合青银高速公路宁东至银川段改扩建项目第5合同段水洞沟互通立交A匝道现浇梁台背回填施工,分析液态粉煤灰回填台背的特点,介绍液态粉煤灰台背回填施工工艺、流程以及液态粉煤灰施工要点和质量控制要点,为液态粉煤灰台背回填应用提供参考。

关键词:液态粉煤灰台背回填桥头跳车

中图分类号U414          文献标识码A

Study on the Abutment Backfill with Liquid Fly Ash Application

Based on Expressway Qingdao to Yinchuan Reconstruction Project

ZHANG Peng

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

AbstractCombined with the fifth contract section of Qingdao-yinchuan highway Ningdong to Yinchuan reconstruction project shuidonggou interchange ramp A situ beam abutment construction, the features of backfill abutment with liquid fly was analysed, the construction technology, process of backfill abutment with liquid fly, points of liquid fly construction and quality control was introduced to provide a reference for backfill abutment with liquid fly.

Key wordsliquid fly ash applicationabutment backfillbump at bridge-head