摘要
介绍体外预应力的技术特点,分析体外预应力结构设计计算中需要解决的问题,并论述了体外预应力技术在我国的应用及发展前景,指出体外预应力结构具有良好的经济效益和社会效益,值得推广使用。
Technical characteristic of external prestressing is introduced, and the problems needed to resolve in external prestressing construction are analyzed, and the prospects of the technology of external prestressing in our country are expounded. It is pointed out that the prestressed structure has good economic and social benefit and can be widely used.
出处
《石家庄铁路职业技术学院学报》
2009年第2期60-62,共3页
Journal of Shijiazhuang Institute of Railway Technology
关键词
体外预应力
桥梁
无粘结预应力
external prestressing bridge unbounded prestress