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袋装砂井堆载预压软基处理施工技术

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对于海滩深层淤泥软基处理,采用袋装砂井十堆载预压的处理方式.其主要原理是:在软基区域布设钻孔,打设袋装砂井,使淤泥层内的水通过袋装砂井排出,同时预压荷载将下层软基挤密,达到加速沉降使地基提前稳定的目的.软基沉降监测是软基处理方案的重要技术环节.通过不同阶段的数据处理及分析,对堆载土方进行有层次地加载和卸载,既能保证预压效果,又能控制合理的工作量.
Construction Technology of Pre-compressed Soft Foundation Treatment in Bagged Sand Well
For the treatment of deep silt soft foundation on the beach,the method of bagged sand wells and preloading is often used.The main principle is to set up boreholes and bagged sand wells in the soft foundation area,so that the water in the silt layer is discharged through the bagged sand wells.At the same time,the preloading load compacts the lower soft foundation,achieving the goal of accelerating settlement and stabilizing the foundation in advance.Soft foundation settlement monitoring is an important technical link of this treatment plan.Through data processing and analysis at different stages,the stacked soil is loaded and unloaded in a hierarchical manner,ensuring the preloading effect and controlling reasonable workload.

beachsoft foundationbagged sand wellprepressure

刘利民、刘保存

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珠海金海公路大桥有限公司,广东珠海 519000

中铁建大桥工程局集团第四工程有限公司,哈尔滨 150006

海滩 软基 袋装砂井 预压

2024

科技和产业
中国技术经济学会

科技和产业

影响因子:0.361
ISSN:1671-1807
年,卷(期):2024.24(21)