Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Reservoir danger removing and reinforcing dam diaphragm wall construction method
The invention discloses a reservoir danger removing and reinforcing dam diaphragm wall construction method which comprises the following steps: step 1, in a dry season, reducing the water level of a reservoir through spillway flood discharge; 2, excavation is conducted, the dam crest elevation is lowered, and a construction platform is additionally built on the backwater side of the dam through excavated soil; and 3, according to the design axis of the diaphragm wall, surveying and setting out are conducted, grab bucket equipment is adopted to conduct guide wall groove excavation, and then the guide wall is constructed. According to the method, the low water level of the reservoir in the dry season and the small lateral pressure of water borne by the dam are ingeniously utilized, the construction platform is constructed on site by adopting soil materials generated by excavating and reducing the elevation of the dam crest, and compared with traditional dam crest single-side soil body adding cultivation, the construction efficiency is high; and the safety risk caused by structural disturbance of the dam body during the construction period of the anti-seepage wall is effectively reduced.
本发明公开了一种水库除险加固大坝防渗墙施工方法，包括步骤1，在枯水期，通过溢洪道泄洪降低水库水位；步骤2，开挖降低坝顶高程，并利用开挖的土料在大坝背水侧加培构筑施工平台；步骤3，根据防渗墙的设计轴线，进行测量放线，采用抓斗设备进行导向墙沟槽开挖，之后施工导向墙。本发明巧妙利用水库枯水期水位较低，大坝受水的侧压力较小，并通过采用开挖降低坝顶高程产生的土料，就地构筑施工平台，与传统坝顶单侧土体加培相比，施工效率高，并且加剖大坝坝体横断面，有效降低了防渗墙施工期间大坝坝体的因结构扰动而出现的安全风险。
Reservoir danger removing and reinforcing dam diaphragm wall construction method
The invention discloses a reservoir danger removing and reinforcing dam diaphragm wall construction method which comprises the following steps: step 1, in a dry season, reducing the water level of a reservoir through spillway flood discharge; 2, excavation is conducted, the dam crest elevation is lowered, and a construction platform is additionally built on the backwater side of the dam through excavated soil; and 3, according to the design axis of the diaphragm wall, surveying and setting out are conducted, grab bucket equipment is adopted to conduct guide wall groove excavation, and then the guide wall is constructed. According to the method, the low water level of the reservoir in the dry season and the small lateral pressure of water borne by the dam are ingeniously utilized, the construction platform is constructed on site by adopting soil materials generated by excavating and reducing the elevation of the dam crest, and compared with traditional dam crest single-side soil body adding cultivation, the construction efficiency is high; and the safety risk caused by structural disturbance of the dam body during the construction period of the anti-seepage wall is effectively reduced.
本发明公开了一种水库除险加固大坝防渗墙施工方法，包括步骤1，在枯水期，通过溢洪道泄洪降低水库水位；步骤2，开挖降低坝顶高程，并利用开挖的土料在大坝背水侧加培构筑施工平台；步骤3，根据防渗墙的设计轴线，进行测量放线，采用抓斗设备进行导向墙沟槽开挖，之后施工导向墙。本发明巧妙利用水库枯水期水位较低，大坝受水的侧压力较小，并通过采用开挖降低坝顶高程产生的土料，就地构筑施工平台，与传统坝顶单侧土体加培相比，施工效率高，并且加剖大坝坝体横断面，有效降低了防渗墙施工期间大坝坝体的因结构扰动而出现的安全风险。
Reservoir danger removing and reinforcing dam diaphragm wall construction method
一种水库除险加固大坝防渗墙施工方法
ZHANG SHENG (Autor:in) / ZHOU CHUANG (Autor:in) / LUO JINXUE (Autor:in) / HUANG WENHAI (Autor:in) / CHENG RUIFENG (Autor:in) / TIAN ZIXIAO (Autor:in) / CHEN ZHANLE (Autor:in) / GUO TAO (Autor:in) / SHEN CHEN (Autor:in) / ZHENG DONGFENG (Autor:in)
31.01.2023
Patent
Elektronische Ressource
Chinesisch
Dam danger removing and reinforcing structure and construction method thereof
| Europäisches Patentamt | 2023