旋挖钻在泥浆护壁成孔灌注桩施工中注意事项

Matters needing attention in slurry coating pore-forming bored pile with rotary drilling dig

以中南部通道工程二安大桥为例,介绍了旋挖钻机在泥浆护壁成孔灌注桩工艺及操作要点,并指出施工过程中应注意的事项,为类似桩基工程提供了宝贵经验和指导。

Taking Er＇an Bridge of channel engineering in south center as an example,the paper introduces slurry coating pore-forming bored pile technique and operation points of rotary drilling dig,and points out matters needing attention in construction project,which has provided valuable experience and guidance for similar pile foundation engineering.