Common quality problems of steel structures and preventive measures

In the previous articles, we have understood the cause analysis of common problems in steel structure engineering. Next, let's learn about the specific solutions to these problems.

1. Procurement of steel in strict accordance with the requirements of the design drawings. For some relatively different steels, it is necessary to understand their properties and characteristics. If the properties of the steel plate in the thickness direction are required, it is not only required to have mechanical properties along the width and length directions, but also to have good resistance to lamellar tearing in the thickness direction; Inspection;

3. In the construction of steel structure engineering, if there is an over-limit quality defect, it should be rejected;

4. For all defects within the control range, grinding can be adopted. Repair measures;

V. The storage of materials should be taken seriously. Steel structure manufacturers should pay attention to moisture-proof, avoid rain and freezing, if possible, do not open the air, and long-term exposed steel mills should do surface anti-corrosion treatment; Re-inspection, especially the back plate with thickness ≥40mm and designed with z-direction requirements;

7. The above-mentioned defects of steel can be clearly exposed after gas cutting, shearing and welding, generally observed with a magnifying glass Inspection can be done, but for individual requirements for gas cutting and shearing surfaces, visual inspection should be carried out as required, and air permeability inspection should be carried out if necessary. Magnetic powder or ultrasonic testing;

8. In the process of manufacturing and installation, the correct use of tools should be strengthened, and scratches and hanging marks can be corrected by grinding after repair welding.

These common problems in the construction of steel structure projects need to be solved in a targeted manner. Steel structure manufacturers should strictly control each link to avoid these problems as much as possible.

Steel Structure Co., Ltd. is an entity manufacturer integrating steel structure design, processing and construction. The main products are: steel structure workshop, steel structure canopy, steel structure corridor, steel structure elevator shaft, main steel structure Structural processing, steel structure engineering and other design, processing and installation one-stop service, professional construction design team. It has 2 steel structure factories, 30,000 square meters production base, fully automatic production line, senior technical team, and tailor-made steel structure complete solutions for customers. If you need to inquire about the cost of steel structure workshops per square meter, please call for 24-hour service Line: . official website.

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