大跨度斜拉桥主梁模型试验技术研究  

Research on Main Girder Model Test Technology of Long-span Cable-stayed Bridge

作　　者：窦宝宏 张文涛 Dou Baohong;Zhang Wentao(Shanxi Road&Bridge Group Co.,Ltd.,Xi'an 710075,China;School of Highway,Chang'an University,Xi'an 710064,China)

机构地区：[1]陕西路桥集团有限公司,陕西西安710075 [2]长安大学公路学院,陕西西安710064

出　　处：《市政技术》2023年第10期124-133,共10页Journal of Municipal Technology

基　　金：陕西省秦创原“科学家+工程师”队伍建设项目(2022KXJ-036)。

摘　　要：大跨度斜拉桥主梁模型试验技术是对主梁进行结构分析和性能测试的有效手段,可以通过搭建试验模型来模拟实际桥梁主梁的受力情况,以获得大量有价值的试验数据,并为结构的设计和施工提供参考,对于保证大跨度斜拉桥的安全性和长期可靠性具有重要意义。通过对静力模型试验、动力模型试验、疲劳模型试验和混合模型试验进行研究分析,并结合相关案例,介绍了主梁模型试验技术在大跨度斜拉桥工程中的具体应用,总结和回顾了一些创新的桥梁试验研究,为未来大跨度斜拉桥的模型试验技术研究工作提供了参考和新思路。The main girder model test technology of long-span cable-stayed bridge is an effective means for structural analysis and performance test of the main girder.The test model can be built to simulate the stress situation of the actual main girder of the bridges to obtain a large number of valuable test data and provide references for the design and construction of the structure.This is significant for ensuring the safety and long-term reliability of the bridge.The static model test,dynamic model test,fatigue model test and mixed model test are studied and analyzed.Combined with cases,the specific application of main girder model test technology in long-span cable-stayed bridge is introduced.Some innovative bridge test studies are summarized and reviewed,which provide reference and new ideas for relevant research in future.

关 键 词：斜拉桥 主梁模型试验技术 静力模型试验 动力模型试验 疲劳模型试验 混合模型试验 

分 类 号：U448.27[建筑科学—桥梁与隧道工程]