摘要
在钢筋混凝土和高强混凝土纯扭构件中，如果配筋量过少，混凝土一开裂立即卸载给钢筋，使钢筋屈服而且进入强化阶段，产生少筋破坏。少筋破坏是一种脆性破坏，在工程结构中发生时将有一定的危险性，因此，在结构设计时，对构件应配置最低的必要的构造钢筋，以防止这种少筋破坏的发生。为此，本课题通过试验研究，对高强混凝土纯扭构件的构造配筋，提出了具体的确定方法，供有关设计作参考。
In torsion members made of normal concrete or high strength concrete, if reinforcementratio is too lower, the bars will yield and enter the stage of strain hardening, as soon as the concretecracking, that will lead to a brittle failure, that is dangerous in engineering structures. So the minimumreinforcement ratio of a member is necessary to avoid the brittle failure. Based on the experimentalstudy, the structural reinforcement and the minimum reinforcement ratio of torsion member with highstrength concrete were presented in the paper. It is available for reference to the designers.
出处
《哈尔滨建筑大学学报》
1999年第5期20-23,共4页
Journal of Harbin University of Civil Engineering and Architecture
