the long-span prestressed concrete beam bridge is likely to craze in operation, which decreases the bridge「s safety and durability and then leads to its structure」s early failure and destruction.
运营中的大跨径预应力混凝土梁桥箱梁普遍开裂,严重影响了桥梁结构的安全性和耐久性,造成了桥梁过早的失效和破坏。
since 1953, with the successful inception of cantilever casting method, prestressed concrete beam bridge has developed rapidly.
自1953年悬臂浇筑法成功问世以来,预应力混凝土梁式桥有着突飞猛进的发展。
the main difficulty in analysis of unbonded prestressed concrete beam bridge is the coupling between the sectional strength of member and the whole structural deformation of member.
分析无粘结预应力混凝土梁桥的主要困难,在于构件的截面强度和构件整体变形耦合。
the prestressed concrete beam bridge with corrugated web has greatly improved the traditional prestressed concrete beam bridge.
波纹钢腹板预应力混凝土梁桥是对传统的预应力混凝土梁桥的一次重大改进。