Expansion joint structure for corrugated steel plate-concrete composite structure: Fid-Bau Portal

Expansion joint structure for corrugated steel plate-concrete composite structure

WANG ZHIHONG / LUO HUI / ZHANG GUANGRONG

The invention discloses an expansion joint structure for a corrugated steel plate-concrete composite structure, and relates to the technical field of building components; the expansion joint structurecomprises two flanges respectively connected with adjacent corrugated steel plates, the two flanges are arranged in parallel, and at least two telescopic plates capable of stretching and retracting are arranged between the two flanges; the ends, connected with the flanges, of the corrugated steel plates extend to the outer sides of the edges of the concrete structures, and elastic filler is filled between the adjacent concrete structures and arranged on the outer sides of the flanges and the telescopic plates and the upper surfaces of the corrugated steel plates; reinforcing rib plates are arranged between the corrugated steel plates and the flanges and used for reinforcing the flanges. The expansion joint deformation of the corrugated steel plate-concrete composite structure is adapted through the two expansion plates between the two parallel flanges; meanwhile, the deformation of the corrugated steel plate-concrete composite structure is adapted by virtue of the elastic filler between the adjacent concrete structures. The stability of the corrugated steel plate-concrete structure can be guaranteed, and the service life is prolonged.

本发明公开了一种波纹钢板‑混凝土组合结构用伸缩缝构造，涉及建筑构件技术领域，包括分别与相邻波纹钢板相连的两块法兰，两块法兰并列设置，两块法兰之间至少设有两块能够伸缩的伸缩板；波纹钢板与法兰相连的一端延伸至混凝土结构的边缘外侧，相邻混凝土结构之间填充弹性填料，填料设置于法兰及伸缩板的外侧、波纹钢板的上表面；波纹钢板与法兰之间设有加强筋板，用于对法兰进行加固。通过两块并列的法兰之间的两块伸缩板来适应波纹钢板‑混凝土组合结构的伸缩缝形变；同时借助相邻混凝土结构之间的弹性填料来适应波纹钢板‑混凝土组合结构的形变。本发明能够保证波纹钢板‑混凝土结构的稳定性，延长其使用寿命。

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