Construction and maintenance method for expansion joint of perforated plate connecting piece: Fid-Bau Portal

Construction and maintenance method for expansion joint of perforated plate connecting piece

WANG CHANGJIANG / LIU DEBAO / WANG ZHENWEI

The invention provides a construction and maintenance method for the expansion joint of a perforated plate connecting piece. The method comprises the steps that an anchoring part is pre-buried on a beam body, a finger-shaped steel plate, a reinforcing steel plate, a supporting and blocking steel plate and a perforated steel plate are installed, a through steel bar penetrates through holes of the anchoring part and the perforated steel plate and stirrups, the positions of the stirrups are adjusted; then the anchoring part, the stirrups and the through steel bar are connected, an anchor is poured in an expansion joint installation groove, and maintenance is performed; an iron wire penetrates through a water-stop belt fixing groove of the supporting and blocking steel plate, then the iron wire is connected with the wing edge of the water-stop belt at one end, the iron wire is pulled at the other end, the water-stop belt is pulled to the other end along the water-stop belt fixing groove, finally the iron wire is removed, and the water-stop belt is arranged; and the end finger-shaped steel plate, the end perforated steel plates and the end reinforcing steel plate are connected together. The technical problems of installation, maintenance and the like of the expansion joint can be solved, the service life of the expansion joint is prolonged, and social cost is saved.

本发明公开了一种开孔板连接件伸缩缝的施工养护方法，包括如下步骤：将锚固件预埋到梁体上，安装指形钢板、加强钢板、支挡钢板、开孔钢板，将贯通钢筋从锚固件和开孔钢板的孔以及箍筋中穿过，并调整箍筋的位置，然后将锚固件、箍筋与贯通钢筋连接，在伸缩缝安装槽中浇筑锚固体，并进行养护，在支挡钢板的止水带固定槽中穿铁丝，然后在一端将铁丝与止水带的翼边连接，在另外一端牵拉铁丝，将止水带顺着止水带固定槽拉至另外一端，最后解除铁丝，完成止水带的安装，将端指形钢板与端开孔钢板、端加强钢板连接在一起。本发明可解决伸缩缝的安装、养护等技术问题，提高伸缩缝的使用寿命，节约社会成本。

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