About the construction quality of steel structure engineering projects

Category： Industry News

Time：2020-07-08

The complexity of the construction quality problems of steel structure engineering projects is mainly manifested in the fact that there are many factors that cause quality problems, and the causes of quality problems are also complex, even if they are of the same nature, the reasons are sometimes different, so that the analysis, judgment and treatment of quality problems increase complexity. For example, welding cracks, which can occur both in the weld metal and in the thermal influence of the base metal, both on the surface of the weld and inside the weld; The crack direction can be either parallel to or perpendicular to the weld bead, and the crack may be either a cold crack or a hot crack; The reasons for this are also improper selection of welding materials or improper welding preheating or postheating.

2. Severity

The seriousness of the construction

quality problems of steel structure engineering projects is manifested in: general, affecting the smooth progress of construction, causing delays in construction period, increased costs, serious, building collapse, causing personal casualties, property damage, and adverse social impact.

3. Variability

The construction quality problem of steel structure engineering will continue to develop and change with external changes and the extension of time, and quality defects will gradually be reflected. For example, the weld of the steel component causes cracks in the weld that originally had no cracks due to the change of stress; Delayed cracks can be generated due to the activity of hydrogen in the weld after welding. If the component is overloaded for a long time, the steel component will be bent and deformed by the lower arch, resulting in hidden dangers.

Xirong Steel Structure has been engaged in the steel structure industry for 15 years and has accumulated a lot of construction experience in the construction process. In order to completely change the quality and safety of steel structure construction engineering, it is necessary to check layer by layer from the aspects of design, production, installation and construction, acceptance, maintenance and other aspects to ensure the compliance and stability of its quality and safety indicators. Therefore, in the process of steel structure construction, acceptance, supervision and management, it is necessary to play a joint role in order to ensure the quality of the steel structure and achieve satisfactory results.

Keywords： About the construction quality of steel structure engineering projects

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