Steel support system reinforcing method: Fid-Bau Portal

Steel support system reinforcing method

ZHANG QIAN / LI CHAOYANG / ZHANG JIE

The invention relates to the technical field of steel support systems, and discloses a steel support system reinforcing method which comprises the following steps: step 1, using fastening bolts to embrace reinforcing auxiliary structures at a uniform position on the outer surface of a support steel pipe; 2, the supporting steel pipe provided with the reinforcing auxiliary structure is installed on a pre-buried flange plate on a foundation; 3, the reinforcing auxiliary structures located at the same horizontal position are welded and connected through second connecting square steel; and 4, the upper row of reinforcing auxiliary structures and the lower row of reinforcing auxiliary structures are subjected to V-shaped welding reinforcing through the first connecting square steel, the reinforcing auxiliary structures surround the supporting steel pipes to form a whole with the supporting steel pipes, the first connecting square steel and the second connecting square steel are connected with the reinforcing auxiliary structures in a welding mode, the length of a welding seam is guaranteed, the corresponding stress area can be large, and therefore the reinforcing effect is good. The bearable shearing force can be increased, and the problem that the stressed area of the joint of the square steel and the steel support is very small is well solved.

本发明涉及钢支撑体系技术领域，公开了一种钢支撑体系加固方法，包括以下步骤：步骤1：使用紧固螺栓将加固辅助结构环抱安装在支撑钢管外表面统一的位置；步骤2：将装有加固辅助结构的支撑钢管安装在地基上的预埋法兰盘上；步骤3：用连接方钢二将位于同一水平位置的加固辅助结构焊接连接；步骤4：用连接方钢一将上下两排加固辅助结构进行“V”字形焊接加固，本发明中加固辅助结构环抱于支撑钢管上，与其形成一个整体，连接方钢一和连接方钢二通过焊接的方式与加固辅助结构连接，焊缝长度有保证，相应的受力面积也会很大，能够承受的剪切力会增加，很好的解决了方钢与钢支撑的连接处受力面积很小的问题。

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