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体外预应力混凝土技术已被广泛地应用于各种结构工程及对既有结构进行加固中。本文通过十片体外预应力混凝土梁的试验，建立了体外预应力混凝土梁受弯条件下全过程非线性分析的计算方法和计算机程序。计算结果表明，该计算方法可以较好地反映此类梁在受弯条件下的规律，为进一步深入研究体外预应力混凝土结构提供了理论分析的依据。同时，采用体外预应力技术对一座铁路桥进行了加固。
Externally prestressed concrete technology has been widely used in various structural engineering and reinforcement of existing structures. In this paper, through the experiment of ten pieces of external prestressed concrete beams, the calculation method and computer program of the non-linear analysis of the external prestressed concrete beams subjected to bending are established. The calculation results show that the calculation method can better reflect the law of the beam under bending conditions, providing theoretical analysis basis for further in-depth study of external prestressed concrete structures. At the same time, a railway bridge was reinforced with external prestressing technology.