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ＧＢＪ１０ -８９《混凝土结构设计规范》第６．１．３条和ＧＢ５０２０４ -９２《混凝土结构工程施工及验收规范》第３．５．７条对受力钢筋的混凝土保护层最小厚度都做出了明确的规定。其中设置预制垫块是控制钢筋保护层厚度的有效方法。那么 ,应怎样制作垫块才能保证其工程
Article 6.1.3 of GBJ10-89 Code for Design of Concrete Structures and Article 3.5.7 of GB50204-92 Code for Construction and Acceptance of Concrete Structures all make the minimum thickness of the concrete protective layer of reinforced concrete Clear rules. Among them, setting prefabricated pad is an effective way to control the thickness of steel bar. So, how to make pads to ensure its construction