Now there's a new revision. Notice on the issuance of the partial revision of national standards of Code for acceptance of constructional quality of concrete structures: Ministry of Housing and Urban-Rural Development Notice (No. 849): Partial revision of Code for acceptance of constructional quality of concrete structures GB50204-2002 is currently approved and come into force since August 1st, 2011. Wherein 5.2.1 and 5.2.2 1articles, as mandatory provisions must be strictly enforced. The original provisions of the amendment is abolished at the same time. Articles and article description of Code for acceptance of constructional quality of concrete structures GB50204-2002 partly revised by Ministry of Housing and Urban-Rural Development, PRC on December 20th, 2010. 5.2 dominant item of raw material 5.2.1 When rebars approach the site, sample some rebars for mechanical property and weight deviation test in accordance with the relevant standards of the state and the test results must meet the requirements of the relevant standards. Inspection quantity: depends on entering lot and sampling inspection plan of the product. Inspection method: check the factory certificate, the factory inspection report and approach re-inspection report.
Ensure the shape, size and position of engineering structures and components in each part is correct. Have enough strength, rigidity and stability, to withstand the weight and lateral pressure of newly poured concrete, as well as load generated in the process of construction.Simple structure, convenient assembly and disassembly, convenient for reinforcing bar colligation and installation and concrete pouring and curing process. Tight template joints without spillage.
