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8.钢筋混凝土构件中有哪几类钢筋?它们起什么作用? 答:根据受力特点不同主要有以下几类钢筋: (1)纵向钢筋。它沿构件纵向配置,是最主要的一种配筋,又称主筋。它承担构件中主要的拉力或压力。 (2)箍筋。它承担构件中的剪力,同时还有把分散的纵向钢筋组成骨架的作用。 (3)弯起钢筋。它的主要作用是承受构件中的剪力,水平段则是承受构件中的拉力。 (4)架立钢筋。它的作用是与纵向钢筋、箍筋共同组成骨架。
8. What kinds of reinforcements are in reinforced concrete structures? What role do they play? Answer: According to different stress characteristics, there are mainly the following types of reinforcement: (1) Longitudinal reinforcement. It is arranged along the longitudinal direction of the component and is the most important reinforcement, also called the main reinforcement. It bears the main pull or stress in the component. (2) stirrups. It takes on the shear forces in the components, as well as the role of the decentralized longitudinal reinforcement in forming the skeleton. (3) Bend reinforcement. Its main role is to withstand the shear force in the component, while the horizontal segment is to absorb the tension in the component. (4) erect reinforcement. Its role is to form a skeleton together with longitudinal reinforcement and stirrups.