Back-attached rubber water stop structure and construction method of pipe gallery deformation joint: Fid-Bau Portal

Back-attached rubber water stop structure and construction method of pipe gallery deformation joint

ZHANG YICHI / LI SHAOWEI / GUO QING / XU LIHUA / YAN SHUHAO

The invention discloses a back-attached rubber water stop structure and a construction method of a pipe gallery deformation joint, and belongs to the technical field of underground pipe gallery waterproofing. The back-attached rubber water stop structure comprises an integral rectangular back-attached rubber water stop belt; tooth openings of the rectangular back-attached rubber water stop belt face the rectangular interior; rubber water stop belt extending sections are arranged at four right-angled parts of the rectangular back-attached rubber water stop belt; and fixing holes are formed in the rubber water stop belt extending sections. The back-attached rubber water stop structure adopts an integral rectangular structure to avoid the hidden danger of water leakage at an opening; the rectangular right-angled structure avoids the phenomenon of rounded corners produced certainly under the condition that a single rubber band is installed outside the rectangular structure, and a better water stop effect is realized; the rubber water stop belt extending sections and the fixing holes are arranged to facilitate the fixation of the back-attached rubber water stop structure, which can effectively improve the convenience of construction and improve the construction efficiency.

本发明公开了一种背贴式橡胶止水结构及管廊变形缝的施工方法，属于地下管廊防水技术领域。所述背贴式橡胶止水结构包括一体的矩形背贴式橡胶止水带，矩形背贴式橡胶止水带的齿口朝向矩形内部，矩形背贴式橡胶止水带的四个直角处设置有橡胶止水带延伸段，橡胶止水带延伸段设置有固定孔。所述背贴式橡胶止水结构采用一体的矩形结构，避免了开口渗水隐患；采用矩形直角结构，避免了单根橡胶带安装于矩形结构外侧这一工况下必然产生圆角的现象，具有更好的止水效果；设置橡胶止水带延伸段及固定孔，便于背贴式橡胶止水结构固定，可以有效增加施工便利性，提高施工效率。

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