untensioned reinforcement

The problems concerning adoption of longitudinal bearing force reinforcement in the design of frame structure of the first and second grade earthquake-resistant project are of top importance,that is to say, the longitudinal bearing force reinforcement will play a very important role in the fighting against earthquake forces.

按一、二级抗震等级设计的框架结构纵向受力钢筋的使用问题是十分重要的。