Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Construction method for bridge manual hole digging pile to penetrate through unbonded gravel layer
The invention discloses a construction method for a manual hole digging pile of a bridge to penetrate through an unbonded gravel layer. The construction method comprises the following steps: 1) surveying and setting out; (2) a guide frame is arranged on the ground of the construction position and used for guiding follow-up drilling and advanced grouting small guide pipes; (3) guiding through a guide frame, and drilling along the construction area in the circumferential direction; (4) the advanced grouting small guide pipe is used for conducting grouting operation, and a slurry forming body is formed; (5) after the advanced grouting small guide pipe and the guide frame are dismantled, excavation is conducted in the inner area of the formed annular slurry forming body, and a foundation pit is formed; (6) the bottom layer reinforcement cage is hoisted through hoisting equipment; by the adoption of the method, the purpose of bridge pile foundation construction in the unbonded gravel layer is achieved, and the method has the advantages of being convenient to construct, high in economical efficiency, high in treatment quality, wide in application range and high in construction operation safety.
一种桥梁人工挖孔桩穿越无粘结碎石层的施工方法，包括以下步骤：1）测量放样；2）在施工位置地面布置导架，用于后续钻孔及超前注浆小导管的导向；3）依靠导架导向，沿施工区环向钻孔；4）利用超前注浆小导管进行注浆作业并形成结浆体；5）拆除超前注浆小导管和导架后，在所形成的环向结浆体内部区域内进行开挖并形成基坑；6）通过吊装设备吊装底层钢筋笼；7）在钢筋笼内外侧分别架设内模板和外模板；8）在内模板和外模板之间进行混凝土浇筑。本发明采用上述方法，实现无粘结碎石层中的桥梁桩基施工目的，具有施工方便、经济性高、处理质量高、适用范围广及施工作业安全性高的优点。
Construction method for bridge manual hole digging pile to penetrate through unbonded gravel layer
The invention discloses a construction method for a manual hole digging pile of a bridge to penetrate through an unbonded gravel layer. The construction method comprises the following steps: 1) surveying and setting out; (2) a guide frame is arranged on the ground of the construction position and used for guiding follow-up drilling and advanced grouting small guide pipes; (3) guiding through a guide frame, and drilling along the construction area in the circumferential direction; (4) the advanced grouting small guide pipe is used for conducting grouting operation, and a slurry forming body is formed; (5) after the advanced grouting small guide pipe and the guide frame are dismantled, excavation is conducted in the inner area of the formed annular slurry forming body, and a foundation pit is formed; (6) the bottom layer reinforcement cage is hoisted through hoisting equipment; by the adoption of the method, the purpose of bridge pile foundation construction in the unbonded gravel layer is achieved, and the method has the advantages of being convenient to construct, high in economical efficiency, high in treatment quality, wide in application range and high in construction operation safety.
一种桥梁人工挖孔桩穿越无粘结碎石层的施工方法，包括以下步骤：1）测量放样；2）在施工位置地面布置导架，用于后续钻孔及超前注浆小导管的导向；3）依靠导架导向，沿施工区环向钻孔；4）利用超前注浆小导管进行注浆作业并形成结浆体；5）拆除超前注浆小导管和导架后，在所形成的环向结浆体内部区域内进行开挖并形成基坑；6）通过吊装设备吊装底层钢筋笼；7）在钢筋笼内外侧分别架设内模板和外模板；8）在内模板和外模板之间进行混凝土浇筑。本发明采用上述方法，实现无粘结碎石层中的桥梁桩基施工目的，具有施工方便、经济性高、处理质量高、适用范围广及施工作业安全性高的优点。
Construction method for bridge manual hole digging pile to penetrate through unbonded gravel layer
桥梁人工挖孔桩穿越无粘结碎石层的施工方法
HE TAO (Autor:in) / GUO XIAOLIANG (Autor:in) / LIU HAIJUN (Autor:in) / LI TIANNING (Autor:in)
20.02.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02D
FOUNDATIONS
,
Gründungen
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