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大节段钢桁梁悬索桥主梁架设的窗口铰接法研究

Journal of China & Foreign Highway(2021)

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Abstract
针对大跨度悬索桥钢桁梁吊装过程中存在刚接时机与内力分布状态不确定等问题,基于传统的刚铰结合法提出主梁节段临时连接的窗口铰接法.该文结合白洋长江公路大桥实践,合理地设置铰接口,并确定铰接口的刚接时机,将加劲梁杆件及吊索应力控制在设计允许的合理范围内,提高了施工作业效率,节约了配重方式体系转换所需要的资源.
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