Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for dam back pressure slope of pumped storage power station
The invention discloses a construction method for a pressure slope behind a dam of a pumped storage power station, which comprises the following steps of: filling the outermost part of a pressure slope design area with slag charge generated by excavation of a dam foundation to form a first-stage pressure slope of which the section is of a trapezoidal structure; the reservoir basin is excavated, the dam is filled with the excavated materials, the pressure slope is filled with slag materials from outside to inside till the inner side slope toe of the filled dam is connected with the inner side slope toe of the pressure slope, and a second-stage pressure slope is obtained through filling; the dam and the triangular area between the dam and the second-stage pressure slope continue to be filled till the elevation of the triangular area is consistent with the elevation of the second-stage pressure slope, and a third-stage pressure slope is formed; and the dam and the pressure slope are filled to the designed elevation. According to the method, the slag generated by excavation of the dam foundation and excavation of the reservoir basin is directly used for slope pressing after dam filling and building, filling is carried out while excavation is carried out, filling is carried out in the filling direction from outside to inside, the slag does not need to be transferred in the construction process, the construction cost of a dam project is reduced, the construction progress of the dam is accelerated, and the construction period is shortened.
本发明公开了一种抽水蓄能电站坝后压坡的施工方法，该方法利用坝基开挖产生的渣料填筑压坡设计区域的最外部，形成断面为梯形结构的一期压坡；开挖库盆，用开挖出来的有用料有用料填筑大坝，渣料按由外向内的方向填筑压坡，直至已填筑大坝的内侧坡脚和压坡的内侧坡脚相接，填筑得到二期压坡；继续填筑大坝，以及大坝和二期压坡之间的三角区域，直至三角区域的高程与二期压坡的高程一致，形成三期压坡；分别将大坝和压坡填筑至设计高程。本发明将坝基开挖和库盆开挖产生的渣料直接用于填筑坝后压坡，且边开挖边填筑，并按自外向内的填筑方向进行填筑，在施工中完全不需要中转渣料，降低大坝工程施工成本，加快大坝的施工进度，缩短施工工期。
Construction method for dam back pressure slope of pumped storage power station
The invention discloses a construction method for a pressure slope behind a dam of a pumped storage power station, which comprises the following steps of: filling the outermost part of a pressure slope design area with slag charge generated by excavation of a dam foundation to form a first-stage pressure slope of which the section is of a trapezoidal structure; the reservoir basin is excavated, the dam is filled with the excavated materials, the pressure slope is filled with slag materials from outside to inside till the inner side slope toe of the filled dam is connected with the inner side slope toe of the pressure slope, and a second-stage pressure slope is obtained through filling; the dam and the triangular area between the dam and the second-stage pressure slope continue to be filled till the elevation of the triangular area is consistent with the elevation of the second-stage pressure slope, and a third-stage pressure slope is formed; and the dam and the pressure slope are filled to the designed elevation. According to the method, the slag generated by excavation of the dam foundation and excavation of the reservoir basin is directly used for slope pressing after dam filling and building, filling is carried out while excavation is carried out, filling is carried out in the filling direction from outside to inside, the slag does not need to be transferred in the construction process, the construction cost of a dam project is reduced, the construction progress of the dam is accelerated, and the construction period is shortened.
本发明公开了一种抽水蓄能电站坝后压坡的施工方法，该方法利用坝基开挖产生的渣料填筑压坡设计区域的最外部，形成断面为梯形结构的一期压坡；开挖库盆，用开挖出来的有用料有用料填筑大坝，渣料按由外向内的方向填筑压坡，直至已填筑大坝的内侧坡脚和压坡的内侧坡脚相接，填筑得到二期压坡；继续填筑大坝，以及大坝和二期压坡之间的三角区域，直至三角区域的高程与二期压坡的高程一致，形成三期压坡；分别将大坝和压坡填筑至设计高程。本发明将坝基开挖和库盆开挖产生的渣料直接用于填筑坝后压坡，且边开挖边填筑，并按自外向内的填筑方向进行填筑，在施工中完全不需要中转渣料，降低大坝工程施工成本，加快大坝的施工进度，缩短施工工期。
Construction method for dam back pressure slope of pumped storage power station
抽水蓄能电站坝后压坡的施工方法
WEI JIANPENG (Autor:in) / ZHU HUAISHUI (Autor:in) / WANG WEI (Autor:in) / ZHENG YU (Autor:in) / LIU GANG (Autor:in) / LI JIE (Autor:in) / GU KANGHUI (Autor:in) / XU QING (Autor:in) / SU LINSHAN (Autor:in) / BAI YIFAN (Autor:in)
22.12.2023
Patent
Elektronische Ressource
Chinesisch
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