Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Seepage-proofing and seepage-resisting construction method for foundation pit close to river
The invention discloses a seepage-proofing and seepage-resisting construction method for a foundation pit close to a river. According to the construction method, a dye indication method, a technologyof sealing a water seepage point by using a sealed container, a technology of pouring fine stone waterproof concrete in different steps and a technology of sealing a river bed surface by using waterproof concrete are combined, and a water seepage opening is blocked from a water seepage source to solve the water seepage problem. The construction process mainly comprises the steps of carrying out construction preparation; determining a water seepage opening of a karst cave at the bottom of a river bed by using the dye indication method; sealing the vortex position of the water seepage opening through the sealed container; pouring the fine stone waterproof concrete into the sealed container in different steps; meanwhile, pumping water from the foundation pit; after flowing water in the foundation pit is completely stopped, sealing the river bed surface by using the waterproof concrete; and lifting the sealed container to leave the river surface. According to the construction method, the water seepage problem can be solved from the water seepage source, the water seepage point is directly blocked, ultra-large mechanical equipment or complex equipment is not needed, and the mechanical equipment used for construction is simple and is easy and convenient to operate.
一种临近河流基坑防渗阻渗施工方法，该施工方法采用染料指示法、封闭容器封闭透水点技术、分次浇筑细石防水混凝土技术和防水混凝土封平河床面技术相结合，从渗水的源头处封堵渗水口解决渗水问题；其施工工艺的主要流程为：施工准备→运用染料指示法确定河床底部溶洞的渗水口→渗水口的漩涡处用封闭容器封闭→分次往封闭容器浇筑细石防水混凝土，同时基坑抽水→当基坑内的流水完全被止住后，用防水混凝土封平河床面→封闭容器起吊离开河面。该施工方法可以从渗水的源头处解决渗水问题，直接封堵透水点，不需超大型机械设备及复杂设备，施工所用机械设备较简单、操作简便。
Seepage-proofing and seepage-resisting construction method for foundation pit close to river
The invention discloses a seepage-proofing and seepage-resisting construction method for a foundation pit close to a river. According to the construction method, a dye indication method, a technologyof sealing a water seepage point by using a sealed container, a technology of pouring fine stone waterproof concrete in different steps and a technology of sealing a river bed surface by using waterproof concrete are combined, and a water seepage opening is blocked from a water seepage source to solve the water seepage problem. The construction process mainly comprises the steps of carrying out construction preparation; determining a water seepage opening of a karst cave at the bottom of a river bed by using the dye indication method; sealing the vortex position of the water seepage opening through the sealed container; pouring the fine stone waterproof concrete into the sealed container in different steps; meanwhile, pumping water from the foundation pit; after flowing water in the foundation pit is completely stopped, sealing the river bed surface by using the waterproof concrete; and lifting the sealed container to leave the river surface. According to the construction method, the water seepage problem can be solved from the water seepage source, the water seepage point is directly blocked, ultra-large mechanical equipment or complex equipment is not needed, and the mechanical equipment used for construction is simple and is easy and convenient to operate.
一种临近河流基坑防渗阻渗施工方法，该施工方法采用染料指示法、封闭容器封闭透水点技术、分次浇筑细石防水混凝土技术和防水混凝土封平河床面技术相结合，从渗水的源头处封堵渗水口解决渗水问题；其施工工艺的主要流程为：施工准备→运用染料指示法确定河床底部溶洞的渗水口→渗水口的漩涡处用封闭容器封闭→分次往封闭容器浇筑细石防水混凝土，同时基坑抽水→当基坑内的流水完全被止住后，用防水混凝土封平河床面→封闭容器起吊离开河面。该施工方法可以从渗水的源头处解决渗水问题，直接封堵透水点，不需超大型机械设备及复杂设备，施工所用机械设备较简单、操作简便。
Seepage-proofing and seepage-resisting construction method for foundation pit close to river
一种临近河流基坑防渗阻渗施工方法
QUAN HAIFENG (Autor:in) / LI RONGFANG (Autor:in) / BAN DEFU (Autor:in) / DING CHUANSHENG (Autor:in) / HUANG LIUJUN (Autor:in)
10.04.2020
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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