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Design considerations for pavement and rail track foundations

机译:路面和轨道基础的设计注意事项

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There has been a considerable body of knowledge accumulated over the past 30rnyears on the response of soils and granular materials to the application of repeated loading as experiencedrnin pavement and rail track foundations. Much of this knowledge has yet to be used in designrnpractice and empirical index tests such as California Bearing Ratio are still extensively used.rnMore fundamental concepts, which could be more widely used in engineering practice, are discussedrnand examples of how they could be incorporated in design are given. Recent research in thernUK is leading to the development of laboratory and field-testing procedures to be used in the contextrnof the move towards performance-based specifications and these are described.
机译:在过去的30年中,已经积累了相当多的知识,涉及土壤和粒状材料对路面和铁路地基中反复荷载的应用的响应。这些知识大部分尚未用于设计实践中,并且仍在广泛使用经验指标测试,例如“加利福尼亚轴承比”。讨论了可能在工程实践中更广泛使用的更多基本概念,并举例说明了如何将其纳入设计中给出。在ThenUK上的最新研究正在导致实验室和现场测试程序的发展,这些程序将在基于性能的规范发展过程中使用,并对其进行了描述。

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