Beam-clad steel comprehensive reinforcing method for improving bearing capacity of concrete beam of building: Fid-Bau Portal

Beam-clad steel comprehensive reinforcing method for improving bearing capacity of concrete beam of building

LIN KAIZHE / CAI JIENA / LI BOXIANG

The invention discloses a beam-clad steel comprehensive reinforcement method for improving the bearing capacity of a building concrete beam, and belongs to the field of beam reinforcement. The system is characterized in that the inverted-n-shaped externally-bonded steel plate-angle steel reinforcing structure and the steel plate-angle steel-concrete beam interface connecting system are arranged; the inverted-n-shaped externally-bonded steel plate-angle steel reinforcing structure and the steel plate-angle steel-concrete beam interface connecting system are tightly hooped to the bottom and the two sides of a concrete beam through shearing force nails, and then self-compacting shrinkage-compensating concrete is poured to form an overall structure. The reinforcing mode is simple in process, convenient to construct and small in occupied space, the daily use function of a building is not affected, the self-compaction compensation shrinkage concrete is adopted, the reinforcing construction period can be shortened, environmental pollution caused by common concrete tamping is reduced, the overall rigidity of the structure can be effectively improved, and the reinforcing effect is obvious.

本发明公开了一种提高建筑物混凝土梁承载能力的梁包钢综合加固方法，属于梁加固领域。其特征在于所述倒“几”字形外粘钢板‑角钢加固结构与钢板‑角钢‑混凝土梁界面连接系统；所述倒“几”字形外粘钢板‑角钢加固结构与钢板‑角钢‑混凝土梁界面连接系统通过剪力钉紧箍于混凝土梁底部与两侧，再浇筑自密实补偿收缩混凝土，形成整体结构。该加固方式工艺简单，施工方便，占地空间小，不影响建筑物日常使用功能，采用自密实补偿收缩混凝土，可缩短加固工期，减少普通混凝土捣实带来的环境污染，并且能有效提高结构的整体刚度，加固效果明显。

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