Facing a different Sichuan steel structure engineering company

Category： Industry News

Time：2020-07-08

Introduction of steel structure construction and painting by Sichuan Steel Structure Engineering Company:

1. Construction

1.1 The detection and accounting of the length and slenderness ratio of

steel structure members can determine the size of the members in accordance with the provisions of Section 6.4 of this chapter, and the length and slenderness ratio of the members shall be calculated by the actual size.

1.2 The connection of the steel structure support system can be tested in accordance with the provisions of Section 6.3 of this Chapter; the dimensions of the supporting system components can be determined by the provisions of Section 6.4 of this Chapter; it shall be verified or evaluated according to the design drawings or corresponding design specifications.

1.3 The width to thickness ratio of the section of the steel structure member can be determined and calculated according to the provisions of Section 6.4 of this chapter, and shall be evaluated according to the design drawings and relevant specifications.

2. Painting

2.1 The quality of steel structure protective coatings should be tested in accordance with the current relevant national product standards for coating quality.

2.2 The rust removal grade of the steel surface can be determined by the picture comparison observation specified in the current national standard "Corrosion Grade and Rust Removal Grade of Steel Surface Before Painting" GB8923.

2.3 The coating thickness of different types of coatings should be detected by the following methods:

1 paint film thickness,

can be detected by paint film thickness gauge, the number of sampling components should not be less than the minimum capacity of Class A test samples in Table 3.3.13 of this standard, nor less than 3 pieces; each piece is measured at 5 places, and the value of each place is the average of the thickness of dry paint film at 3 measurement points 50mm apart.

2. The coating thickness of

thin fireproof coatings can be detected by coating thickness tester, and the measurement method should comply with the provisions of CECS24 of the Technical Regulations for the Application of Steel Structure Fireproof Coatings.

3. The coating thickness of thick fireproof coatings should be tested by stylus and steel ruler, and the measurement method should comply with the provisions of CECS24 of the Technical Regulations for the Application of Steel Structure Fireproof Coatings. The thickness value and deviation value of the coating should be evaluated in accordance with the provisions of the Code for Construction Quality Acceptance of Steel Structure Engineering GB50205. 6.7.4 The appearance quality of painting can be tested and evaluated according to different materials in accordance with the provisions of "Code for Construction Quality Acceptance of Steel Structure Engineering" GB50205.

Our Sichuan steel structure engineering company uses the above points to analyze, hoping to bring you more knowledge.

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