摘要
聚合物泥浆的结构组成成分是一种高分子量的人工合成聚合物,经常用于钻孔灌注桩施工中的泥浆护壁,其最大的作用是用于保护钻孔灌注桩孔壁的稳定和凝结钻孔灌注桩桩头在钻进过程中产生的土、砂子或者其他杂物等。结合义乌商城大道隧道工程项目,介绍旋转挖机专用聚合物泥浆(粉状)在灌注桩中泥浆护壁的施工应用,且取得较好成效,大幅降低施工成本,提高施工效率。
The structural component of polymer slurry is a high molecular weight synthetic polymer,which is often used for slurry wall protection in bored cast-in-place pile construction.Its maximum function is to protect the stability of bored cast-in-place pile wall and condensate soil,sand or other impurities produced during drilling process by the head of bored cast-in-place pile.Combining with the project of Yiwu Shangcheng Avenue Tunnel,the construction application of special polymer slurry(powder)for rotary excavator to slurry retaining wall in cast-in-place piles is introduced,which achieves good results,greatly reduces construction cost and improves construction efficiency.
作者
尹创路
王永录
王大林
邓磊
刘一
YIN Chuang-lu;WANG Yong-lu;WANG Da-lin;DENG Lei;LIU Yi(POWERCHINA SINOHYDRO ENGINEERING BUREAU 14 CO.,LTD.,Kunming 650041,China)
出处
《云南水力发电》
2021年第10期144-147,共4页
Yunnan Water Power
关键词
旋挖钻机
泥浆护壁
专用聚合物
灌注桩
rotary drilling rig
mud wall protection
special polymer
cast-in-place pile
