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首页> 外文会议>Key technologies of railway engineering: high-speed railway, heavy haul railway and urban rail transit. >EVALUATION OF THE VIBRATION OF NEWLY-BUILT FLOATING SLAB TRACK ON EXISTING SUBWAY STRUCTURES
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EVALUATION OF THE VIBRATION OF NEWLY-BUILT FLOATING SLAB TRACK ON EXISTING SUBWAY STRUCTURES

机译：现有地铁结构上新建浮式平板轨道振动的评估

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摘要

With the fast development of Urban Rail Transit (URT), the effects on surrounding environment are attached more and more importance than before in the traffic planning. Regarding Urban Rail Transit, it is highly likely that two adjacent lines are not developed at one time. So it is necessary to evaluate the vibration characteristics of the newly built line and optimize the development according to the evaluation results and adopt some vibration and noise reduction measures. Floating slab track is the most commonly-used vibration and noise reduction measure. A three-dimensional finite model and a twodimensional tunnel-soil model are established in this paper to study the effect of newly-built urban rail line's operation on the vibration of existing URT structure (vibration reduction effects with different parameters are also considered), the conclusions have some value for the design and construction of the newly built line.
机译：随着城市轨道交通（URT）的快速发展，在交通规划中，对周围环境的影响越来越受到重视。关于城市轨道交通，很有可能不会同时开发两条相邻的线路。因此，有必要评估新建线路的振动特性，并根据评估结果优化开发，并采取一些减振降噪措施。浮动平板轨道是最常用的减振降噪措施。本文建立了三维有限模型和二维隧道-土体模型，研究了新建城市轨道交通运营对现有URT结构振动的影响（同时考虑了不同参数的减振效果），结论对于新建线的设计和施工具有一定的价值。

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