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Standard for acceptance of construction quality of steel structure engineering (GB 50205-2020) pdf

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2020-06-11
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Building Standard Specification
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Brief introduction: The main technical contents of this standard are: General principles, terms and symbols, basic provisions, acceptance of raw materials and finished products, welding engineering, fastener connection engineering, steel parts and steel parts processing, steel component assembly engineering, steel member pre assembly engineering, single layer and multi-storey steel structure installation engineering, space structure installation engineering, profiled metal sheet engineering, Painting engineering and steel structure parts completion acceptance.
The main technical contents of this revision are as follows:
1. Adjust the arrangement of chapters;
2. Combine the installation of single-layer steel structure with that of multi-storey and high-rise steel structure
It is a single story multi-storey steel structure installation project;
3. Adjust the steel grid structure installation project to the space structure installation project, and add
Steel pipe cabinet frame structure content;
4. The project content of prestressed steel cable and membrane structure is added;
5. The witness inspection method for steel structure steel entering the site for acceptance is added;
6. The test contents of wind pressure resistance and air suction performance of fabricated metal roof system are added
The safety performance of steel structure metal roof system is tested and accepted;
7. The content and method of coating process evaluation for paint anticorrosion are added to strengthen the steel structure
Construction quality control and acceptance of structure painting;
8. The basic principles and methods of steel structure engineering measurement are added, and the steel structure engineering is improved
The content of project completion acceptance;
9. When the steel is put into the processing site, the steel plate, section steel, steel casting, steel bar and steel
The membrane structure materials will be included in the site acceptance;
10. Change the form of relevant allowable deviation items into the provisions;
11. The cold forming and hot forming have been improved in the steel parts and steel parts processing sub project
The minimum radius of curvature and the processing of cast steel joints;
12. Adding and improving the component splicing and other contents in the steel component assembly sub project,
Put the assembly process into quality control and acceptance;
13. The steel structure shall be installed according to the foundation, column, beam, cabinet frame, node and support
The steel plate shear wall is added by arranging the bracing sequence;
14. The node structure and roof system of profiled metal sheet are improved;
15. Steel structure has strengthened steel surface treatment and coating workers in the painting sub section D
The content of art evaluation;
16. In the final acceptance of steel structure division D project, the relevant safety orders and functions are modified
Inspection and witness inspection items, the most measurement principle and method of steel structure engineering are added.
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