Technology and Material
◪ 1. All steel tube material is Q235in line with GB700-88. |
◪2. Joint point of tube use all round angle welding. |
◪ 3. Butt weld must be Groove welding penetration-level 3. |
◪4. Bolts are galvanized common large hex head bolts, in line with GB5780-86; nuts in line with GB41-86. |
◪ 5. Manuel-weld uses welding rod E43xx. |
◪ 6. Use white pvdf material for the film. |
◪ 7. Wire rope standard (GB / t8918-1996), if the project requires a nominal strength of 1570MPA, to surface galvanized processing and installation. |
◪ 8. All welds should be checked, standard grade -b. |
◪ 9. Rust removal is St3, with zinc-rich epoxy and anti-rust primer primer. |
◪ 10. Finish the steel bracket and remove any slag from the weld. |
◪ 11. For the processing of properly separated ultra-long steel, the strength of the weld joint on site shall be the same as that of the original steel. |
◪ 12. The accuracy of the foundation/embedded plate should be reconfirmed before the steel structure is installed. |
◪ 13. The membrane and steel structure installation should be properly arranged. |
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