in pure torsion members with high strength concrete and over reinforcement, the bars willnot yeld, the surplus bar will be extravagant.

• 在钢筋混凝土和高强混凝土超配筋纯扭构件中，由于配筋量过高使钢筋不能屈服，引起钢筋用量过多而产生材料的浪费。