Form-removal-free construction method for assembling and connecting steel bars at top of constructional column: Fid-Bau Portal

Form-removal-free construction method for assembling and connecting steel bars at top of constructional column

XU WEI / JIANG ALIANG / YANG PENGCHAO / CHEN YU / ZHAO YUE

The invention discloses a formwork-removal-free construction method for assembling and connecting steel bars at the top of a constructional column. The formwork-removal-free construction method comprises the following steps that construction preparation is conducted; manufacturing an opening of the embedded part and the cast-in-place beam template and mounting; mounting an embedded part; binding reinforcing steel bars; and concrete pouring and form removal are conducted. The embedded part is directly installed in the hole reserved in the beam bottom, the upper half portion is also used as a beam bottom protection layer cushion block, the lower half portion is also used as a beam bottom die at the hole, the problems of drilling and template damage in the later period are solved, installation is easy, operation is convenient, the construction efficiency is greatly improved, and the concept of green construction is met. Constructional column reserved steel bars are integrally machined and produced along with the embedded parts, the steel bar positioning accuracy is high, the anchoring length of the steel bars and the beam is easy to guarantee, meanwhile, the position of a hole reserved in advance in the beam bottom is accurate, installation is convenient to control, and the connecting quality of the top of the constructional column is guaranteed.

本发明公开了一种构造柱顶部钢筋装配连接免拆模施工方法，包括以下步骤：施工准备；制作预埋件和现浇梁模板的开口及安装；预埋件安装；钢筋绑扎；混凝土浇筑及拆模。预埋件直接安装在梁底预留的洞口中，上半部分兼做梁底保护层垫块，下半部分兼做洞口处梁底模，不涉及后期打凿钻孔及模板损坏问题，安装简单、操作方便，大幅提高了施工工效并符合绿色施工的理念。构造柱预留钢筋随预埋件一体加工生产，钢筋定位精度高，钢筋与梁的锚接长度易于保证，同时梁底提前预留洞口位置精准，安装便于控制，确保了构造柱顶部的连接质量。

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