双排桩在水利工程深基坑支护中的应用

Application of Double-Row Piles in Deep Foundation Pit Support of Hydraulic Engineering

大型、超高层建筑工程的持续增加,促使建筑基坑深度也越来越大,这不仅会加大建筑基坑施工量,发生基坑变形或是坍塌等事故的概率也会随之增加,这无形中对深基坑支护施工提出了考验。如何有效避免深基坑支护结构变形也成为施工企业考虑的重点,双排桩支护体系的出现和应用促使以上问题得到完美解决。由于双排桩体系仍存在一些难点问题,因此,本文首先论述双排桩支护体系及其优缺点和存在的问题,然后着重探讨水利工程深基坑施工中双排桩施工技术的具体应用。

The continuous increase of large-scale,super-high-rise construction projects promotes the increasing depth of building foundation pits,which will not only increase the construction volume of building foundation pits,but also increase the probability of accidents such as foundation pit deformation or collapse.This virtually poses a challenge to the deep foundation pit support construction.How to effectively avoid the deformation of the deep foundation pit supporting structure has also become the focus of construction companies.The emergence and application of the double-row pile supporting system has prompted the perfect solution of the above problems.Since there are still some difficult problems in the doublerow pile system,this paper first discusses the double-row pile support system and its advantages,disadvantages and existing problems,and then explores the specific application of the double-row pile construction technology in the deep foundation pit construction of hydraulic engineering.