钢筋在出厂时应有出厂质量证明或试验报告单，每捆（盘）钢筋均应有标牌，在

The steel bars should have a factory quality certificate or test report when they leave the factory, and each bundle (reel) of steel bars should have a label. When entering the site, it should be checked and accepted in batches according to the furnace (batch) number and diameter (d). The content of the acceptance includes Check signs, visual inspections, and take samples for mechanical performance tests according to relevant standards. They can be used only after the tests are qualified. If abnormalities occur during processing, chemical composition inspections or other special inspections should be carried out. The visual inspection of the steel bars includes: there must be no cracks, scars and folds on the surface of the steel bars, the bumps on the surface of the steel bars are not allowed to exceed the height of the thread, and the external dimensions of the steel bars should comply with the relevant regulations.

Rebar at the factory should have factory quality certificate or test report sheet, each bundle (plate) rebar should have signs, in the entrance should be in accordance with the furnace tank (batch) number and diameter (d) batch acceptance, acceptance includes checking signs, appearance inspection, and in accordance with the provisions of the relevant standards to extract samples for hydraulic performance testing, after the test pass, can be used, processing process if abnormal phenomenon occurs, chemical composition testing or other special inspection. Among them, the appearance inspection of the rebar includes: the surface of the rebar must not have cracks, scars and folds, the convex block of the rebar surface is not allowed to exceed the height of the thread, the shape of the rebar should comply with the relevant specifications.

The steel bars shall be provided with factory quality certificate or test report when they leave the factory, and each bundle (plate) of steel bars shall be provided with labels. When they enter the site, they shall be accepted in batches according to the furnace tank (batch) number and diameter (d). The contents of acceptance include checking the labels, appearance inspection, and taking samples for mechanical property test according to relevant standards. They can only be used after passing the test In case of abnormal phenomenon, chemical composition test or other special test shall be conducted. Among them, the appearance inspection of reinforcement includes: there shall be no cracks, scabs and folds on the surface of reinforcement, the convex block on the surface of reinforcement shall not exceed the height of thread, and the overall dimension of reinforcement shall comply with relevant specifications.<br>