预应力锚索和微型桩联合处理深基坑失稳事故

土钉支护具有经济快捷等优点,但土钉支护单独使用也有其局限性。通过对某土钉支护深基坑在施工过程中发生支护失稳出现险情的原因进行分析,及时地设计预应力锚索和微型桩予以联合加固,有效地控制了该基坑的变形,保证了地下室施工的安全。

Combination of Pre-stressed Anchor Cable and Micro-piles to Deal With the Accident of a Deep Foundation Pit

Soil nailing has its shortages if it is used solely despite its advantages such as economy and rapidness.Through analysis on the reason of the instability on the bracing during the construction of a deep foundation pit,an effective remedy method is found out to stop the accident,in which prestressed anchor cable and micropiles together are used to reinforce the dangerous zone and the deformation is controlled effectively and the safety of the construction of the basement can also be guaranteed.