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Tunnel type pile foundation and bearing platform combined anchorage structure and installation method thereof
The invention provides a tunnel type pile foundation and bearing platform combined anchorage structure which is arranged in an inclined slope body. A tunnel is arranged on the slope body in the transverse direction, the anchorage structure comprises a tunnel type bearing platform and a pile foundation, the tunnel type bearing platform is embedded into the tunnel in the horizontal direction, a pilehole is formed in the lower end of the tunnel in a vertically-downward excavation mode, the pile foundation is arranged in the pile hole, the pile foundation is connected with the tunnel type bearingplatform, the front end of the tunnel type bearing platform comprises an inclined plane section and a vertical section which are sequentially connected from top to bottom, and a plurality of anchor cables are embedded in the inclined plane section. The anchorage structure has the advantages that the tunnel is excavated on the steep slope body to provide an anchorage construction space, the earthand rockfill excavation amount of the pile foundation bearing platform for slope excavation construction is effectively reduced, and the construction cost is saved; the pile foundation goes deep intoa good geological layer to provide horizontal resistance, and the structure is safe and reliable; the anchorage structure is suitable for severe conditions of steep terrain and poor geology, simple inconstruction process, safe and reliable in structure and relatively economical in cost.
本发明提供了一种隧洞式桩基承台组合锚碇结构,锚碇结构设置在斜向的坡体内,坡体沿横向设有隧洞,锚碇结构包括隧洞式承台和桩基,隧洞式承台沿水平方向嵌入隧洞设置,从隧洞的下端竖直向下开挖形成桩孔,桩孔内设置桩基,桩基与隧洞式承台连接,隧洞式承台前端包括上下依次连接斜面段和竖直段,斜面段埋设有若干锚索;本发明的优点在于:在陡峭坡体上开挖隧洞提供锚碇施工空间,有效地减小了放坡开挖施工桩基承台的土石方开挖量,节约施工成本;利用桩基深入较好的地质层以提供水平抗力,结构安全可靠;适用于地形陡峭、地质不良的恶劣条件,施工工艺简单、结构安全可靠、成本相对经济。
Tunnel type pile foundation and bearing platform combined anchorage structure and installation method thereof
The invention provides a tunnel type pile foundation and bearing platform combined anchorage structure which is arranged in an inclined slope body. A tunnel is arranged on the slope body in the transverse direction, the anchorage structure comprises a tunnel type bearing platform and a pile foundation, the tunnel type bearing platform is embedded into the tunnel in the horizontal direction, a pilehole is formed in the lower end of the tunnel in a vertically-downward excavation mode, the pile foundation is arranged in the pile hole, the pile foundation is connected with the tunnel type bearingplatform, the front end of the tunnel type bearing platform comprises an inclined plane section and a vertical section which are sequentially connected from top to bottom, and a plurality of anchor cables are embedded in the inclined plane section. The anchorage structure has the advantages that the tunnel is excavated on the steep slope body to provide an anchorage construction space, the earthand rockfill excavation amount of the pile foundation bearing platform for slope excavation construction is effectively reduced, and the construction cost is saved; the pile foundation goes deep intoa good geological layer to provide horizontal resistance, and the structure is safe and reliable; the anchorage structure is suitable for severe conditions of steep terrain and poor geology, simple inconstruction process, safe and reliable in structure and relatively economical in cost.
本发明提供了一种隧洞式桩基承台组合锚碇结构,锚碇结构设置在斜向的坡体内,坡体沿横向设有隧洞,锚碇结构包括隧洞式承台和桩基,隧洞式承台沿水平方向嵌入隧洞设置,从隧洞的下端竖直向下开挖形成桩孔,桩孔内设置桩基,桩基与隧洞式承台连接,隧洞式承台前端包括上下依次连接斜面段和竖直段,斜面段埋设有若干锚索;本发明的优点在于:在陡峭坡体上开挖隧洞提供锚碇施工空间,有效地减小了放坡开挖施工桩基承台的土石方开挖量,节约施工成本;利用桩基深入较好的地质层以提供水平抗力,结构安全可靠;适用于地形陡峭、地质不良的恶劣条件,施工工艺简单、结构安全可靠、成本相对经济。
Tunnel type pile foundation and bearing platform combined anchorage structure and installation method thereof
一种隧洞式桩基承台组合锚碇结构及其安装方法
WANG HAIFENG (author) / XIA XIANGDOU (author) / LI ZHI (author) / XIE XIAOCHAO (author) / ZHANG QIANG (author) / HUA LEIYU (author) / LI YANG (author) / ZHOU YANG (author) / MENG QINGBIN (author) / MA YANCHUN (author)
2020-09-01
Patent
Electronic Resource
Chinese
IPC:
E02D
FOUNDATIONS
,
Gründungen
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