【摘要】 本文分析了体外预应力梁的受力特点 ,考虑了二次影响的作用 ,采用与偏心受压构件短期刚度计算相类似的计算方法 ,通过 5根体外预应力梁的试验 ,对其短期挠度的计算方法进行了研究 ,试验结果表明该方法概念明确、公式简单、精度较高 ,具有一定的实用价值更多还原

【Abstract】 To study the calculation methods of external prestressed concrete beam,this paper analyzes the mechanics characteristic of external prestressed concrete beam,and takes into account the action of second order effects,and also uses the similar calculation method with eccentric compression components.Then the experiment of five external prestressed concrete beams is made.The result of the experiment indicates the method is conception clear,formula simple and has the practicality value.更多还原