Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method of steel sheet pile cofferdam
The invention discloses a construction method of a steel sheet pile cofferdam. The construction method comprises the following steps that 1, a permeable cushion layer is arranged at the bottom of an excavated foundation pit; 2, pressure reducing pipes are additionally arranged at multiple positions of the bottom of the foundation pit; 3, a bottom sealing concrete layer is arranged on the upper side of the permeable cushion layer; 4, a bearing platform sealing layer is arranged on the upper side of the bottom sealing concrete layer; 5, pressure reducing pipes are arranged at multiple positions of the foundation pit, penetrate through the bearing platform sealing layer and are inserted into the water permeable cushion layer arranged in the step 1; and 6, after the bottom sealing concrete layer is finally set, frame ring beams are additionally arranged around the steel sheet piles of the foundation pit through an underwater formwork erecting method. According to the construction method of the steel sheet pile cofferdam, disturbance caused by too deep excavation of the foundation pit base is reduced, construction safety is guaranteed, the rigidity and safety of a steel sheet pile cofferdam supporting system are improved, and the working efficiency of foundation pit construction is improved.
本发明公开了一种钢板桩围堰的施工方法，包括如下步骤：步骤1：在完成挖掘的基坑底部设置透水垫层；步骤2：在基坑底部多处增设减压管；步骤3：在透水垫层的上侧设置封底混凝土层；步骤4：在封底混凝土层的上侧设置承台封层；步骤5：在基坑的多个位置设减压管，将减压管穿过承台封层并插入至步骤1中设置的透水垫层内；步骤6：在封底混凝土层终凝后，采用水下立模法沿基坑的钢板桩四周增设框架圈梁。本发明的钢板桩围堰的施工方法减小了基坑基底因开挖过深所造成的扰动，保证了施工安全，提高钢板桩围堰支护体系的刚度和安全性，以及提高基坑施工的工效。
Construction method of steel sheet pile cofferdam
The invention discloses a construction method of a steel sheet pile cofferdam. The construction method comprises the following steps that 1, a permeable cushion layer is arranged at the bottom of an excavated foundation pit; 2, pressure reducing pipes are additionally arranged at multiple positions of the bottom of the foundation pit; 3, a bottom sealing concrete layer is arranged on the upper side of the permeable cushion layer; 4, a bearing platform sealing layer is arranged on the upper side of the bottom sealing concrete layer; 5, pressure reducing pipes are arranged at multiple positions of the foundation pit, penetrate through the bearing platform sealing layer and are inserted into the water permeable cushion layer arranged in the step 1; and 6, after the bottom sealing concrete layer is finally set, frame ring beams are additionally arranged around the steel sheet piles of the foundation pit through an underwater formwork erecting method. According to the construction method of the steel sheet pile cofferdam, disturbance caused by too deep excavation of the foundation pit base is reduced, construction safety is guaranteed, the rigidity and safety of a steel sheet pile cofferdam supporting system are improved, and the working efficiency of foundation pit construction is improved.
本发明公开了一种钢板桩围堰的施工方法，包括如下步骤：步骤1：在完成挖掘的基坑底部设置透水垫层；步骤2：在基坑底部多处增设减压管；步骤3：在透水垫层的上侧设置封底混凝土层；步骤4：在封底混凝土层的上侧设置承台封层；步骤5：在基坑的多个位置设减压管，将减压管穿过承台封层并插入至步骤1中设置的透水垫层内；步骤6：在封底混凝土层终凝后，采用水下立模法沿基坑的钢板桩四周增设框架圈梁。本发明的钢板桩围堰的施工方法减小了基坑基底因开挖过深所造成的扰动，保证了施工安全，提高钢板桩围堰支护体系的刚度和安全性，以及提高基坑施工的工效。
Construction method of steel sheet pile cofferdam
钢板桩围堰的施工方法
HU BAOCHUN (Autor:in) / DENG YONGLIN (Autor:in) / CHEN XIAONING (Autor:in) / XU SHILEI (Autor:in) / WANG ZHENGZHONG (Autor:in)
21.06.2022
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
Lassen steel sheet pile cofferdam construction method
| Europäisches Patentamt | 2024