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原创 各项目注意:2025年钢筋进场验收认准新国标!
2024年9月25日起,钢筋混凝土结构用钢两项强制性国家标准:GB,1499.1-2024《钢筋混凝土用钢,第1部分:热轧光圆钢筋》和GB,1499.2-2024《钢筋混凝土用钢,第2部分:热轧带肋钢筋》实施!两项标准均由原推荐性国家标准修订并转为强 ...
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