Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Ultra-deep foundation pit construction risk control method under soft foundation condition
The invention discloses a construction risk control method for an ultra-deep foundation pit under a soft foundation condition. The construction risk control method comprises a foundation pit risk control technology under a forward and reverse combined working condition and a long-period dewatering technology under a suspension type waterproof curtain condition. According to the foundation pit risk control technology under the forward and reverse combined working condition, forward and reverse combined synchronous cross construction earthwork excavation is conducted, forward construction area supports and reverse construction area floor slabs are synchronously constructed, a three-circular-ring supporting system and opposite supporting combined supporting system is adopted, a temporary supporting method is adopted, foundation pit deformation is controlled, and the construction risk of the ultra-deep foundation pit is reduced. A long-period dewatering technology under the condition of a suspension type waterproof curtain comprises the steps of arrangement of the suspension type waterproof curtain, a forward and reverse construction area cross progressive dewatering technology, a pit-in-pit stepped dewatering technology, a mid-partition wall position anti-seepage technology and a remote intelligent control technology. The influence of underground water, rainfall and the like on the foundation pit environment is reduced, and construction safety is guaranteed.
本发明公开了一种软基条件下超深基坑施工风险控制方法，包括顺逆结合工况下的基坑风险控制技术、悬挂式止水帷幕条件下的长周期降水技术。顺逆结合工况下的基坑风险控制技术，顺逆结合同步交叉施工开挖土方，同步施工顺作区支撑和逆作区楼板，采用“三圆环撑体系+对撑组合支撑体系”、临时支撑的方法控制基坑变形，减少超深基坑的施工风险。悬挂式止水帷幕条件下的长周期降水技术，包括悬挂式止水帷幕的设置、顺逆作区交叉递进式降水技术、坑中坑阶梯降水技术、中隔墙位置防渗漏技术、远程智能控制技术，严格控制不同深度土方开挖水位量，减少地下水、降雨等对基坑环境的影响，保证施工安全。
Ultra-deep foundation pit construction risk control method under soft foundation condition
The invention discloses a construction risk control method for an ultra-deep foundation pit under a soft foundation condition. The construction risk control method comprises a foundation pit risk control technology under a forward and reverse combined working condition and a long-period dewatering technology under a suspension type waterproof curtain condition. According to the foundation pit risk control technology under the forward and reverse combined working condition, forward and reverse combined synchronous cross construction earthwork excavation is conducted, forward construction area supports and reverse construction area floor slabs are synchronously constructed, a three-circular-ring supporting system and opposite supporting combined supporting system is adopted, a temporary supporting method is adopted, foundation pit deformation is controlled, and the construction risk of the ultra-deep foundation pit is reduced. A long-period dewatering technology under the condition of a suspension type waterproof curtain comprises the steps of arrangement of the suspension type waterproof curtain, a forward and reverse construction area cross progressive dewatering technology, a pit-in-pit stepped dewatering technology, a mid-partition wall position anti-seepage technology and a remote intelligent control technology. The influence of underground water, rainfall and the like on the foundation pit environment is reduced, and construction safety is guaranteed.
本发明公开了一种软基条件下超深基坑施工风险控制方法，包括顺逆结合工况下的基坑风险控制技术、悬挂式止水帷幕条件下的长周期降水技术。顺逆结合工况下的基坑风险控制技术，顺逆结合同步交叉施工开挖土方，同步施工顺作区支撑和逆作区楼板，采用“三圆环撑体系+对撑组合支撑体系”、临时支撑的方法控制基坑变形，减少超深基坑的施工风险。悬挂式止水帷幕条件下的长周期降水技术，包括悬挂式止水帷幕的设置、顺逆作区交叉递进式降水技术、坑中坑阶梯降水技术、中隔墙位置防渗漏技术、远程智能控制技术，严格控制不同深度土方开挖水位量，减少地下水、降雨等对基坑环境的影响，保证施工安全。
Ultra-deep foundation pit construction risk control method under soft foundation condition
一种软基条件下超深基坑施工风险控制方法
WANG JUN (Autor:in) / NI PENGYUAN (Autor:in) / CHEN SHENG (Autor:in)
17.05.2024
Patent
Elektronische Ressource
Chinesisch
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