摘要
介绍了旋挖钻机施工技术要点,并对旋挖钻机施工的泥浆制备、成桩工艺、施工注意事项及旋挖钻机成孔优点进行了讨论,指出在黄河特大桥基础采用旋挖钻机施工不仅保证了成桩质量,而且为上部结构施工赢得了宝贵的时间,取得了较好的经济效益。
The paper introduces the construction technical points for the rotary drilling rig, discusses the slurry preparation, the piling craft, the precautions in construction, and advantages of the holing with the rotary drilling rig, and points out the rotary drilling rig construction at the foun- dation of Yellow River Super-large Bridge can ensure the piling quality, achieve precious time and better economic benefits.
出处
《山西建筑》
2013年第26期162-164,共3页
Shanxi Architecture
关键词
旋挖钻机
铁路桥梁
施工工艺
质量控制
rotary drilling rig, railway bridge, construction craft, quality control