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Seepage interception structure suitable for shallow sea deep foundation pit and construction method of seepage interception structure
According to the seepage interception structure suitable for the shallow-sea deep foundation pit and the construction method of the seepage interception structure, by arranging the armor block body layer, the seepage interception foundation, the seepage interception body and other structures, the functions of wave overtopping prevention, seepage interception and water stopping are achieved; the problems that in an existing flexible concrete underground diaphragm wall and curtain grouting technology, the hole collapse risk exists when meeting silty-fine sand or sludge or other soft stratums, a sand inclusion layer exists in an underground diaphragm wall, the requirement for the operation space is large, a large amount of waste slurry needs to be treated, the technology is complex, and the construction period is long can be solved, the construction speed is high, and a seepage interception structure can be rapidly formed; and the required working face is small, and the marine environment pollution is small.
本发明实施例提供的适用于浅海深基坑的截渗结构及其施工方法，通过设置护面块体层、截渗基础、截渗体等结构，兼有防越浪和截渗止水功能，能够避免现有柔性混凝土地下连续墙+帷幕灌浆技术中存在的遇粉细砂或淤泥等软弱地层塌孔风险及地下连续墙内部存在夹砂层、作业空间需求大、需要大量处理废弃泥浆、工艺复杂，施工周期较长等问题，施工速度快，能迅速形成截渗结构，所需作业面小，对海洋环境污染小。
Seepage interception structure suitable for shallow sea deep foundation pit and construction method of seepage interception structure
According to the seepage interception structure suitable for the shallow-sea deep foundation pit and the construction method of the seepage interception structure, by arranging the armor block body layer, the seepage interception foundation, the seepage interception body and other structures, the functions of wave overtopping prevention, seepage interception and water stopping are achieved; the problems that in an existing flexible concrete underground diaphragm wall and curtain grouting technology, the hole collapse risk exists when meeting silty-fine sand or sludge or other soft stratums, a sand inclusion layer exists in an underground diaphragm wall, the requirement for the operation space is large, a large amount of waste slurry needs to be treated, the technology is complex, and the construction period is long can be solved, the construction speed is high, and a seepage interception structure can be rapidly formed; and the required working face is small, and the marine environment pollution is small.
本发明实施例提供的适用于浅海深基坑的截渗结构及其施工方法，通过设置护面块体层、截渗基础、截渗体等结构，兼有防越浪和截渗止水功能，能够避免现有柔性混凝土地下连续墙+帷幕灌浆技术中存在的遇粉细砂或淤泥等软弱地层塌孔风险及地下连续墙内部存在夹砂层、作业空间需求大、需要大量处理废弃泥浆、工艺复杂，施工周期较长等问题，施工速度快，能迅速形成截渗结构，所需作业面小，对海洋环境污染小。
Seepage interception structure suitable for shallow sea deep foundation pit and construction method of seepage interception structure
一种适用于浅海深基坑的截渗结构及其施工方法
ZHANG JING (author)
2022-09-23
Patent
Electronic Resource
Chinese
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