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应用浅层加固超软土技术可以迅速在新吹填软土表层形成硬壳层,进而进行二次深层处理,加快吹填软土处理进度。针对某工地新吹填软土真空预压加固工程,采用浅层加固超软土技术加固浅表层。通过对比加固前后土体试验结果和分析加固期间场地沉降,结果表明,浅层加固取得了良好效果。通过观察加固过程中出现的“土桩”现象,对比“土桩点”以及“板间点”的沉降差异和土样试验结果,分析了“土桩”现象的形成机理及规律,可为浅层软土加固工程提供参考。
The application of shallow super-soft soil reinforcement technology can rapidly form a hard shell on the surface of newly-filled soft soil, and then carry out secondary deep treatment to speed up the progress of soft soil treatment. Aiming at the vacuum preloading of a newly-built soft-dredged soft soil, the superficial layer is reinforced by super-soft soil reinforcement by shallow reinforcement. By comparing the soil test results before and after reinforcement with the analysis of settlement during the reinforcement period, the results show that the shallow reinforcement has achieved good results. By observing the phenomenon of “soil pile ” appearing in the process of reinforcement and comparing the settlement difference of “soil pile point ” and “plate point ” and soil test results, the phenomenon of “soil pile” Forming mechanism and law can provide reference for shallow soft soil reinforcement project.