预应力混凝土桥梁的发展与展望

On the development and the expectation of the prestressed concrete bridges

从组成混凝土的材料、张拉技术、施工方法和结构抗震性能的发展状况等方面阐述了预应力混凝土桥梁的发展,并对其进行了展望,提出了提高预应力混凝土工艺水平的建议,从而促进预应力混凝土桥梁的发展。

From the materials composing of the concrete pulling technology, construction methods and the developmental situation of the constructional anti-quake features, the paper illustrates the development of the prestressed concrete bridges, has its outlook of it, points out the suggestions to improve the prestressed concrete craft levels, in order to enhance the development of the prestressed concrete bridges.