Stability of Steel Structure Foundations After completing the upper structure work, the stability of the foundation becomes the issue. Generally, high-precision total stations are used to measure and judge the tilt of column bays and the corners of the building to assess structural deformation; in case of necessity, settlement observations of the building are conducted to determine the stability of the foundation.
All these factors necessitate reinforcement of the building structure. To ensure economic, reasonable, and effective reinforcement, it is crucial to understand the mechanism of structural damage and conduct quality inspections on the building. This type of structural quality inspection differs from construction quality inspection as it involves direct sampling or testing on existing buildings.

Therefore, structural steel inspection is of utmost importance. Changes in the function of buildings, shifts in factory production processes, all increase the load on the building structure; sudden disasters such as fires and earthquakes are even more likely to damage the structure, making structural steel inspections a necessary prerequisite for quality assurance and reinforcement.

The necessity of steel structure inspection: How much do you know? Steel structure inspection involves on-site surveys and testing of the structure, considering the impact of defects, and assessing the reliability of the building structure based on the requirements of relevant specifications or standards. To do this work well, it is essential to understand the existing issues in terms of safety, applicability, and durability of the building. Only then can you develop safe, reasonable, economic, and feasible solutions. What the reliability of the building provides is the correct evaluation of these issues.

Steel Structure Inspection Items: Foundation concrete strength testing; non-destructive testing and dimensional deviation inspection of焊接ball joints; non-destructive testing and dimensional deviation inspection of焊接steel plate joints; non-destructive testing and dimensional deviation inspection of members; deflection testing after total assembly of frame structure; coating thickness and appearance inspection of paint, corrosion prevention, and fire protection coating; installation quality (deviation) inspection of steel structure.
Guotai Inspection, a structural steel inspection unit, and building inspection company, serving the following cities in Sichuan Province: Chengdu, Zigong, Panzhihua, Luzhou, Deyang, Mianyang, Guangyuan, Suining, Neijiang, Leshan, Nanchong, Yibin, Guang'an, Dazhou, Bazhong, Ya'an, Meishan, Ziyang, ABA Tibetan and Qiang Autonomous Prefecture, Ganzi Tibetan Autonomous Prefecture, and Liangshan Yi Autonomous Prefecture.