Anti-cracking device for steel truss floor support plate and manufacturing method: Fid-Bau Portal

Anti-cracking device for steel truss floor support plate and manufacturing method

CHEN PENG / YANG YONG / LIU WENGUO

The invention belongs to the technical field of constructional engineering, and particularly relates to an anti-cracking device for a steel truss floor support plate, which is characterized by comprising the steel truss floor support plate, a support scaffold, a support plate and a telescopic support piece, the two ends of the telescopic support piece are respectively connected with the support plate and the support scaffold, the supporting plate abuts against the steel truss floor support plate by adjusting the telescopic supporting piece. The device has the beneficial effects that the elastic base plate and the supporting plate are additionally arranged, so that an effective buffer layer is formed between the supporting scaffold and the steel truss floor support plate, and therefore stress surge generated when the support is dismounted is reduced; the upward arching degree of the floor support plate is adjusted through the adjustable telescopic supporting piece, the influence of the dead weight factor of the whole structure after pouring on the downward warping degree of the floor support plate is reduced as much as possible, and therefore the cracking phenomenon is reduced; the structure is simple, operation is convenient, repeated use can be achieved, the construction speed is increased, and the engineering cost is also saved.

本发明属于建筑工程技术领域，尤其涉及一种用于钢桁架楼承板的防开裂装置，其特征在于：包括钢桁架楼承板、支撑脚手架、支撑板和伸缩托撑件，所述伸缩托撑件的两端分别与所述支撑板和所述支撑脚手架连接，通过调节所述伸缩托撑件使所述支撑板与所述钢桁架楼承板相抵。本发明的有益效果是，通过增加弹性垫板和支撑板，使得支撑脚手架与钢桁架楼承板之间形成有效的缓冲层，从而减少拆除支撑时应力激变的产生；通过可调的伸缩托撑件调整楼承板上拱程度，尽可能减小浇筑后整体结构自重因素对楼承板下挠程度影响，从而减少开裂现象产生；结构简单且便于操作，可重复使用，提高了施工速度，也节省了工程成本。

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