Embedded part for drainage hole of underwater concrete prefabricated large plate and mounting method: Fid-Bau Portal

Embedded part for drainage hole of underwater concrete prefabricated large plate and mounting method

LI TAO / ZHENG TAO / LIAO HONGYU / ZENG WENYANG

The invention provides an underwater concrete prefabricated large plate drain hole embedded part and an installation method, the underwater concrete prefabricated large plate drain hole embedded part comprises a drain hole body, a cover plate and a fixing tensioning device, the drain hole body is of a cylindrical barrel structure with a T-shaped cross section, the cover plate is arranged at the top of the drain hole body, and the cover plate is tensioned and positioned through the fixing tensioning device; the fixing and tensioning device is arranged on the inner side of the drainage hole body, so that the drainage hole body and the cover plate are integrally fixed, the situation that the cover plate deviates or floats due to the fact that the cover plate is affected by flood tide buoyancy after being installed in water is avoided, and the flatness of a concrete panel is controlled.

本发明提出一种水下混凝土预制大板泄水孔预埋件及安装方法，包括泄水孔孔体、盖板及固定拉紧装置，泄水孔孔体为横截面为T型的圆柱筒体结构，盖板设于泄水孔孔体的顶部，通过，固定拉紧装置拉紧定位，固定拉紧装置两侧与泄水孔孔体两侧连接紧固，本发明通过在泄水孔孔体内侧设置固定拉紧装置，使泄水孔孔体与盖板整体固定，不会因为下水安装后受涨潮浮力影响使盖板偏移或浮动，使混凝土面板的平整度得到控制。

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