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现代矿业 ›› 2024, Vol. 40 ›› Issue (02): 140-142.
为研究软土地区基坑长短桩支护的应用效果，以典型软土基坑长短桩支护方案为研究
对象，通过地层特性和设计要点分析长短桩支护在该项目中的可行性，利用监测数据和支护桩受力
分析在基坑开挖过程中长短桩的受力特性。研究表明：在软土-黏土-软土地层条件下，长短桩支护方
式能保证基坑的安全和稳定。通过现场监测可得，长桩承担更多的弯矩，主要起嵌固与抗倾覆的作
用；短桩与长短一起承担与传递土压力的作用。研究结果可为类似地层软土基坑支护提供指导。
In order to study the application effect of long and short pile support in soft soil areas，this
article takes typical soft soil foundation pit long and short pile support schemes as the research object，ana⁃
lyzes the feasibility of long and short pile support in this project through geological characteristics and design
points，and analyzes the stress characteristics of long and short piles during the excavation process of foun⁃
dation pits using monitoring data and actual stress conditions of support piles. Research has shown that un⁃
der the conditions of soft soil clay soft soil strata，the long and short pile support method ensures the safety
and stability of the foundation pit. Through on-site monitoring，it can be concluded that long piles bear more
bending moments and mainly play a role in embedding and anti overturning，while short piles and short
piles together bear the role of retaining soil and transmitting soil pressure. The research results can provide
guidance for the support of soft soil foundation pits in similar strata.
摘要：
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