Matters needing attention in the selection of material quality of the mobile room
I believe many people have seen Shanghai mobile homes, but do you know how to control the material quality of mobile homes? Here is a detailed introduction to the material quality selection precautions of the mobile room. The entry materials for the activity room must be checked and accepted. Cutting corners and substandard materials are strictly prohibited. The materials are accepted according to the specifications and product quality requirements. The acceptance criteria are as follows:
Matters needing attention in the selection of material quality of the mobile room
1. The size of square steel used for the bottom layer of the column of the steel structure color steel plate movable room is 100mm×100mm, 2.5mm thick. The size of the square steel used on the second floor of the column is 80mm×80mm, the thickness is 2.5mm. The size of angle steel for beam and secondary beam must be 30mm×30mm, the thickness is 3mm. Steel quality requires national standard steel.
2. In use, the material must have a certain deformation. If the material does not have a little plasticity, it will be particularly fragile, so it must have a certain degree of plasticity, otherwise it will be particularly vulnerable to damage.
3. The quality of the incoming color steel plate should meet the quality requirements of the quality assurance book.
4. The welding rod erected in the movable room adopts T422, and its grade should meet the requirements of the national standard gb981-76.
5. The prefabricated house in Fuzhou must have a certain impact resistance, and the materials we use must have some problems. The material we choose must meet these needs and requirements, otherwise, the material will be purchased in vain.
6. When the beams entering the site are made, they should be operated according to the product requirements. No cutting corners allowed. Set angle steel and square steel rod as required. This is an important part of the security control of the mobile computer room and must be strictly controlled.
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