Bridge expansion joint device and mounting method thereof: Fid-Bau Portal

Bridge expansion joint device and mounting method thereof

XU SU / XU BIN / YOU QI / YU FEI / HAO MEIJUN / HUANG HUI

The invention provides a bridge expansion joint device and an installation method thereof, the bridge expansion joint device comprises a first comb plate and a second comb plate, installation notches are reserved in the first beam end and the second beam end, vertically-arranged reserved holes are formed in the positions, below the installation notches, of a beam body, and connecting pieces are installed in the reserved holes; the lower ends of the connecting pieces are fixed in the corresponding reserved holes, the first comb plate and the second comb plate are installed at the upper ends of the corresponding connecting pieces, a leveling layer is poured at the bottom of each installation notch, and the first comb plate and the second comb plate are arranged above the corresponding leveling layers. According to the bridge expansion joint device, a bracket does not need to be prefabricated, an anti-skid bolt assembly is adopted for fixing, a bridge structure manufacturer does not need to reserve a large notch, before the expansion joint is installed, anti-skid bolts are installed at reserved hole positions, proper heights and positions are adjusted, first pouring is conducted, and after the bolts are fixed, a rotating shaft support and the expansion joint are installed; the concrete pouring area is small, the maintenance period is short, and rapid installation can be achieved.

一种桥梁伸缩缝装置及其安装方法，桥梁伸缩缝装置包括第一梳齿板和第二梳齿板，在第一梁端部和第二梁端部均预留安装槽口，在安装槽口下方的梁体上设有竖向布置的预留孔，在预留孔内安装有连接件，连接件下端固定在对应预留孔内，第一梳齿板和第二梳齿板安装在对应连接件的上端，并且，在每个安装槽口的底部均浇筑有调平层，第一梳齿板和第二梳齿板设于对应调平层的上方。该桥梁伸缩缝装置无需预制托架，采用防滑螺栓组件固定，桥梁结构制造厂家无需预留较大槽口，伸缩缝安装前，将防滑螺栓安装在预留孔位处，调整合适的高度与位置，进行第一次浇筑，待螺栓固定后，进行转轴支座、伸缩缝的安装，混凝土浇筑面积小，保养周期较短，可实现快速安装。

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