Special-shaped steel pipe column concrete construction structure and construction method: Fid-Bau Portal

Special-shaped steel pipe column concrete construction structure and construction method

XU JUN / ZHANG WENBO / JING YIJU / LIU QINWEI / KONG JIWEI

The invention discloses a special-shaped steel pipe column concrete construction structure which comprises a special-shaped steel pipe column, the special-shaped steel pipe column is formed by segmented machining and assembling, a plurality of observation holes are formed in the side wall of the steel pipe column, a grout overflow hole and a grouting hole are formed in an external connecting steel plate at the corner of the steel pipe column, and the grout overflow hole is located above the grouting hole. A triangular cavity area exists at the corner of the steel pipe column, and the grout overflow hole and the grouting hole are formed in a bevel edge steel plate of a triangular cavity. The invention further discloses a construction method of the special-shaped steel pipe column concrete. The construction method comprises five steps. The pouring speed in the steel pipe concrete can be increased, operation is easy and convenient, the construction efficiency is improved, the construction problems that pouring of concrete in the steel pipe column is difficult and slow are solved, the pouring quality of the concrete in the steel pipe column is improved, and it is guaranteed that the concrete is poured compactly. And the grout overflow observation hole does not need to be welded and blocked after pouring.

本发明公开了一种异形钢管柱混凝土施工结构，包括异形钢管柱，所述异形钢管柱通过分段加工组装而成，钢管柱的侧壁上开设数个观察孔，钢管柱转角处的外部连接钢板上分别开设有溢浆孔和注浆孔，所述溢浆孔位于注浆孔的上方。所述钢管柱转角处存在三角空腔区域，所述溢浆孔和注浆孔开设在三角形空腔的斜边钢板上。本发明还公开了上述异形钢管柱混凝土的施工方法，包括五个步骤。本发明可加快钢管混凝土内的浇筑速度，而且操作简便，提高了施工效率，解决了钢管柱内混凝土浇筑难、浇筑慢的施工难题，提高了其内部混凝土浇筑质量，保证了混凝土浇筑密实。并且浇筑后无需对溢浆观察孔进行焊接封堵。

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