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A platform for research: civil engineering, architecture and urbanism
Arch bridge structure with tunnel spanning giant karst cave and backfill injection molding construction method of arch bridge structure
The invention discloses a backfill injection molding construction method for an arch bridge structure with a tunnel spanning a giant karst cave. The method comprises the following steps: carrying out preloading and grouting reinforcement on a base; forming a floor mold on the upper surface of the substrate; processing a binding steel bar and mounting the binding steel bar on the floor mold; two skewbacks located at the two opposite ends of the base in the extending direction of the tunnel are formed through pouring; an arch ring located above the floor mold is formed through segmented pouring; the arch ring comprises a plurality of arch ring units, a first construction joint is arranged between every two adjacent arch ring units, and a buttress is arranged below each first construction joint; and performing layered backfill construction above the arch ring. According to the arch bridge structure with the tunnel spanning the giant karst cave and the backfill injection molding construction method of the arch bridge structure, the construction difficulty can be lowered, the construction procedure is simplified, and practicability and high efficiency are both achieved.
公开一种隧道跨越巨型溶洞的拱桥结构的回填注模施工方法，包括以下步骤：对基底进行堆载预压并注浆加固；在所述基底的上表面形成地模；加工绑扎钢筋并安装至所述地模上；浇筑形成位于所述基底沿隧道的延伸方向相对的两端的两个拱座；分段浇筑形成位于所述地模上方的拱圈；所述拱圈包括多个拱圈单元，相邻所述拱圈单元之间设有第一施工缝，所述第一施工缝下方设有支墩；在所述拱圈上方分层回填施工。本说明书所提供的隧道跨越巨型溶洞的拱桥结构及其回填注模施工方法，能降低施工难度，简化施工程序，兼具实用性和高效性。
Arch bridge structure with tunnel spanning giant karst cave and backfill injection molding construction method of arch bridge structure
The invention discloses a backfill injection molding construction method for an arch bridge structure with a tunnel spanning a giant karst cave. The method comprises the following steps: carrying out preloading and grouting reinforcement on a base; forming a floor mold on the upper surface of the substrate; processing a binding steel bar and mounting the binding steel bar on the floor mold; two skewbacks located at the two opposite ends of the base in the extending direction of the tunnel are formed through pouring; an arch ring located above the floor mold is formed through segmented pouring; the arch ring comprises a plurality of arch ring units, a first construction joint is arranged between every two adjacent arch ring units, and a buttress is arranged below each first construction joint; and performing layered backfill construction above the arch ring. According to the arch bridge structure with the tunnel spanning the giant karst cave and the backfill injection molding construction method of the arch bridge structure, the construction difficulty can be lowered, the construction procedure is simplified, and practicability and high efficiency are both achieved.
公开一种隧道跨越巨型溶洞的拱桥结构的回填注模施工方法，包括以下步骤：对基底进行堆载预压并注浆加固；在所述基底的上表面形成地模；加工绑扎钢筋并安装至所述地模上；浇筑形成位于所述基底沿隧道的延伸方向相对的两端的两个拱座；分段浇筑形成位于所述地模上方的拱圈；所述拱圈包括多个拱圈单元，相邻所述拱圈单元之间设有第一施工缝，所述第一施工缝下方设有支墩；在所述拱圈上方分层回填施工。本说明书所提供的隧道跨越巨型溶洞的拱桥结构及其回填注模施工方法，能降低施工难度，简化施工程序，兼具实用性和高效性。
Arch bridge structure with tunnel spanning giant karst cave and backfill injection molding construction method of arch bridge structure
一种隧道跨越巨型溶洞的拱桥结构及其回填注模施工方法
XU BO (author) / YANG ZHONGCHAO (author) / WANG WEI (author) / PENG BO (author) / DI PENG (author) / MENG YUAN (author) / ZOU ZHENGJIA (author) / LIU MINGJIAN (author) / XU JINGUO (author) / ZHANG HUQUAN (author)
2023-01-06
Patent
Electronic Resource
Chinese
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