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首页> 外文会议>17th Annual Interantional Bridge Conference and Exhibition; Jun 12-14, 2000; Pittsburgh, Pennsylvania, USA >How Much Influence Does Construction Have on Curved Steel Bridges? Results From Experimental and Analytical Studies
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How Much Influence Does Construction Have on Curved Steel Bridges? Results From Experimental and Analytical Studies

机译：施工对弯曲的钢桥有多大影响？实验和分析研究的结果

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摘要

In 1992, the Federal Highway Administration (FHWA) initiated a large experimental and analytical research program to study curved steel bridge behavior. The program centered on testing a series of full-scale plate girder specimens under realistic loads and boundary conditions. These conditions were achieved by placing the specimens in a full-scale experimental curved bridge structure that behaved as a reaction frame. A number of elastic tests of this structure were performed during construction and results were examined and compared to analytical models. The tests and comparisons were used to verify instrument placement locations, establish data reduction schemes and validate analytical models. They also provided an opportunity to study the influences of fabrication and construction on curved bridge behavior. The construction tests that were completed are summarized and representative results from the analytical comparisons are presented and discussed.
机译：1992年，联邦公路管理局（FHWA）发起了一项大型实验和分析研究计划，以研究弯钢桥的性能。该程序的重​​点是在实际载荷和边界条件下测试一系列全尺寸板梁试样。这些条件是通过将标本放置在充当反应框架的全尺寸实验弯曲桥结构中来实现的。在施工过程中对该结构进行了许多弹性测试，并检查了结果并与分析模型进行了比较。测试和比较用于验证仪器放置位置，建立数据缩减方案并验证分析模型。他们还提供了一个机会来研究制造和构造对弯曲桥梁行为的影响。总结了已完成的施工测试，并提出并讨论了分析比较的代表性结果。

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