Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Drainage structure for drainage of horizontal holes in dam abutment grouting on two banks of concrete dam
The invention discloses a drainage structure for grouting drainage level holes in dam abutments on two banks of a concrete dam, the drainage level holes are arranged below grouting holes and located at the downstream of a grouting curtain, drainage holes arranged in groups are formed in straight walls at the ends of the drainage level holes, and the drainage holes are arranged close to the upstream side walls of the drainage level holes. The drainage holes in the same group are located in the same vertical plane and evenly distributed in a radial shape within the 180-degree range behind the end straight wall. The structure is simple, construction is convenient and fast, the length of the drainage horizontal hole can be shortened, water seepage of the mountain can be well drained, and the dam abutment surrounding seepage problem is prevented. According to the drainage arrangement mode, the engineering amount is small, the construction cost is low, seepage water of the dam body can be drained through the adit and the drainage ditch of the gallery, the safety of the dam body is guaranteed, and the stability of the downstream bank slope is improved.
本发明公开了一种混凝土坝两岸坝肩灌浆排水平洞的排水结构，所述排水平洞设置在灌浆洞的下方且位于灌浆帷幕的下游，排水平洞的端头直墙上设置有分组排列的排水孔，所述排水孔靠近排水平洞的上游侧壁设置，同组的排水孔位于同一竖向平面内并在端头直墙后方180°范围内以辐射状均匀分布。本发明结构简单，施工便捷，既能缩短排水平洞的长度，又能较好地排除山体的渗水，防止出现坝肩绕渗问题。本发明所采用的排水布置形式，工程量不大，施工成本较低，但是能够将坝体渗水经平洞和廊道的排水沟排出，保证坝体安全，提高下游岸坡稳定性。
Drainage structure for drainage of horizontal holes in dam abutment grouting on two banks of concrete dam
The invention discloses a drainage structure for grouting drainage level holes in dam abutments on two banks of a concrete dam, the drainage level holes are arranged below grouting holes and located at the downstream of a grouting curtain, drainage holes arranged in groups are formed in straight walls at the ends of the drainage level holes, and the drainage holes are arranged close to the upstream side walls of the drainage level holes. The drainage holes in the same group are located in the same vertical plane and evenly distributed in a radial shape within the 180-degree range behind the end straight wall. The structure is simple, construction is convenient and fast, the length of the drainage horizontal hole can be shortened, water seepage of the mountain can be well drained, and the dam abutment surrounding seepage problem is prevented. According to the drainage arrangement mode, the engineering amount is small, the construction cost is low, seepage water of the dam body can be drained through the adit and the drainage ditch of the gallery, the safety of the dam body is guaranteed, and the stability of the downstream bank slope is improved.
本发明公开了一种混凝土坝两岸坝肩灌浆排水平洞的排水结构，所述排水平洞设置在灌浆洞的下方且位于灌浆帷幕的下游，排水平洞的端头直墙上设置有分组排列的排水孔，所述排水孔靠近排水平洞的上游侧壁设置，同组的排水孔位于同一竖向平面内并在端头直墙后方180°范围内以辐射状均匀分布。本发明结构简单，施工便捷，既能缩短排水平洞的长度，又能较好地排除山体的渗水，防止出现坝肩绕渗问题。本发明所采用的排水布置形式，工程量不大，施工成本较低，但是能够将坝体渗水经平洞和廊道的排水沟排出，保证坝体安全，提高下游岸坡稳定性。
Drainage structure for drainage of horizontal holes in dam abutment grouting on two banks of concrete dam
混凝土坝两岸坝肩灌浆排水平洞的排水结构
XIE ZUNDANG (Autor:in) / YAO SHUAIQIANG (Autor:in)
12.09.2023
Patent
Elektronische Ressource
Chinesisch