钢筋混凝土结构中,对于箍筋的施工质量,《钢筋混凝土工程施工及验收规范》第3.3.4条规定:(1)用Ⅰ级钢筋或冷拔低碳钢丝制作的箍筋,其末端应做弯钩,弯钩的弯曲直径应大于受力钢筋直径,且不小于箍筋直径的2.5倍。(2)弯钩的平直部分,一般结构不宜小于箍筋直径的5倍;有抗 In reinforced concrete structures, for the construction quality of stirrups, Section 3.3.4 of the “Code for Construction and Acceptance of Reinforced Concrete Projects” stipulates that: (1) Stirrups made of grade I steel or cold drawn low carbon steel wire should have their ends For hooks, the bending diameter of the hook should be greater than the diameter of the stressed bar and not less than 2.5 times the diameter of the stirrup. (2) The straight part of the hook, the general structure should not be less than 5 times the diameter of the stirrups;