In the construction of industrial shop building, people often choose steel structures. Due to the fast construction speed of the prefab metal shop buildings, the steel structure is very strong and durable, and the most important thing is that the space of the steel structure building is flexible, which is very suitable for industrial shop buildings and production workshops. However, problems will inevitably occur in the use of metal structures, such as cracking of steel structure joints, corrosion, loosening of bolted joints and other problems. These problems may seem minor, but they do pose a huge threat to the overall safety of metal shop buildings. Therefore, prefab metal workshop building should conduct steel structure safety inspections before formal production and after problems occur.
1. Steel structure inspection and identification content
The inspection and appraisal of steel structures mainly includes steel structures with special requirements such as materials, components, connections and joint defects, structural systems, damage detection and safety, applicability, durability and seismic performance appraisal. Such as steel structure after fire, fatigue detection and identification of steel structure, dynamic detection and identification of steel structure, etc.
2. On-site inspection of basic work content
Collect relevant materials such as engineering geological survey reports, design drawings, calculation books, design changes, settlement observation records, construction records, material warranty, material inspection documents, as-built drawings, and as-built acceptance documents.
Learn about the construction, use, damage and restoration history of metal shop buildings. Such as the construction, transformation, maintenance, use change, use conditions and environment changes of prefab metal workshop building, and whether disasters occur.
On-site basic situation investigation and data verification. When there are construction drawings, on-site verification shall be carried out, and when there are no construction drawings, survey drawings shall be drawn according to the actual situation of the structure.
Basic investigation. Prefabricated metal shop buildings steel structure use environment investigation, material performance test, node connection state test. Structural damage test, structural deformation test. Structural dynamic tests and field load tests of structures or components can also be carried out when necessary.
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