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本文介绍了四川省映秀镇灾后恢复重建渔子溪4座桥梁的设计情况,通过设计工程实践与震区调研整理,总结了在类似震区进行桥梁抗震设计的新理念。根据汶川大地震次生灾害破坏严重的情况,提出了标准跨径的简支结构桥型是震区最适合的桥型之一。在渔子溪市政桥梁设计中,重视桥梁抗震、景观及细节设计,本文可为其它抗震工程提供借鉴。
This paper introduces the design of four bridges in Yuzixi after the disaster recovery and reconstruction of Yingxiu Town in Sichuan Province. Through the design engineering practice and the investigation and study of the earthquake area, the paper summarizes the new concept of aseismic design of the bridge in a similar earthquake area. According to the serious damage of secondary disasters caused by the Wenchuan earthquake, a simple-supported bridge with standard span is proposed as one of the most suitable bridge types in the earthquake zone. In the design of Yuzixi municipal bridge, emphasis is placed on seismic resistance, landscape and detail design of bridges. This paper can provide reference for other seismic engineering.