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Development of guidelines for longitrdinal forces in bridges

机译:制定桥梁纵向力准则

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摘要

Beginning in 1996, the Association of American Railroads sponsored several tests of longitudinal forces on bridges under unit trains powered by AC locomotives. The tests led to significant changes in the guidelines used to design railroad bridges for longitudinal forces. The changes and the steps taken to develop the new guidelines took several years of extensive research and development.
机译:从1996年开始,美国铁路协会发起了几次对交流机车驱动的单元火车下桥梁纵向力的测试。测试导致用于设计用于纵向力的铁路桥梁的准则发生了重大变化。为制定新准则而进行的更改和采取的步骤花费了数年的大量研究和开发。

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