【摘要】 提出了后张无粘结预应力筋“U”形自锚的概念 ,并介绍了它的几种常用类型和适用范围更多还原

【Abstract】 The concept of U\|shape self\|anchorage of post\|tensioning unbonded prestressed reinforcing steel is provided, its various types in common use and applicable scopes are introduced correspondingly.更多还原