concrete simply supported beam 混凝土简支梁
reinforced concrete simply supported beam 钢筋混凝土简支梁
prestressed concrete simply supported beam 预应力混凝土简支梁桥
reinforced concrete simply-supported beam bridge 钢筋混凝土简支梁桥
simply supported concrete beam 简支混凝土梁
The study was carried out to further investigate the simply supported reinforced concrete beam strengthened by external prestressing through experiment and theory analysis.
本文以试验梁为研究对象，采用试验与理论相结合的方法，对体外预应力加固简支梁进行了较深入的研究。
Based on this research and using the ultimate equilibrium theory, the calculation model of shear bearing capacity of corroded simply supported reinforced concrete beam is established.
本文在试验研究基础上，运用根据极限平衡理论，建立了锈蚀钢筋混凝土简支梁斜截面承载力计算模型。
However, too much creep generally appeared in prestressed concrete simply supported beam bridge in use.
但在现役桥梁中，却普遍出现了梁体徐变上拱过大的问题。
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