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Review and future perspective of road research in Switzerland based on 'Rundlauf' circular test track results

机译：基于“Rundlauf”循环测试轨道结果，审查瑞士道路研究的回顾与未来视角

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The increasing expenses for road materials and the need for longer pavement-life under heavier loads and worst climatic conditions call for Accelerated Load Test (ALT) facility testing. For 25 years, the ALT Facility "Rundlauf of Swiss Federal Institute of Technology, ETHZ has been actively contributing towards road research and standardizing the design concepts in Switzerland. The greatest advantage of ALT facility is to test the road pavements under real conditions eliminating the scale effects while including real load configurations to obtain reliable results. Most of the materials currently used in Switzerland for road construction have been tested on the "Rundlauf and these results have been a fundamental step for the Swiss road pavement design method. The paper gives an overview of the most important results obtained from the "Rundlauf facility over the last two decades. The obtained and future results of the "Rundlauf tests are also very important for new and more sophisticated pavement design methods. New research projects are planned at the ETHZ to validate a new FEM mechanical approach to road design.
机译：道路材料的越来越多的费用以及在较重负载和最差的气候条件下需要更长的路面寿命，要求加速负载测试（ALT）设施测试。 25年来，斯托特设施“瑞士联邦理工学院的Rundlauf，ethz一直在积极促进瑞士的道路研究和标准化设计概念。Alt设施的最大优势是在真实条件下测试道路路面，消除规模效果，同时包括真正的负载配置，以获得可靠的结果。目前在瑞士目前使用的道路建设中使用的大多数材料已经在“鲁德利夫，这些结果是瑞士路面设计方法的基本步骤。本文概述了从“过去二十年中的”Rundlauf设施中获得的最重要结果“。”RundlauF测试的未来结果对于新的和更复杂的路面设计方法也非常重要。 ethz计划新的研究项目验证了一种新的FEM机械方法。

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