摘要
由于郑东新区特殊的工程地质条件,长螺旋CFG(CementFly-ashGravel)桩施工常常引起桩周土体开裂和周围建筑物开裂等施工事故。本文通过郑州某工地现场试验分析,否定了空桩效应引起桩周土体开裂的猜想,并分析了郑东新区由于CFG桩施工引起桩周土体开裂的原因。
Using long twist auger CFG pile construction, buiiding crack and ground crack always appear because of special engineering geologic conditions at Zhengdong New District. This paper gives denial to hollow pile bore's causation via field experimentation, and then discuss the causation of ground crack at Zhengdong New District.
出处
《科技信息》
2008年第5期105-105,53,共2页
Science & Technology Information
关键词
空桩孔
土体开裂
长螺旋CFG桩
Hollow pile bore
Ground crack
Long twist auger CFG pile