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Influence of unloading–reloading processes on the pullout resistance of geogrid

机译:装卸过程对土工格栅抗拔力的影响

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摘要

ABSTRACT: This study presents an evaluation of soil–geogrid interaction mechanisms. Pulloutntests were carried out on different types of geogrid to evaluate the effects of transverse ribs andndilatancy characteristics of sand around the geogrid during unload–reload processes. The interactionnwas observed using particle image velocimetry and analyzed using a spatial discretization schemenin the finite element method to understand the dilatancy mechanism and the shear strainndistribution.n.
机译:摘要:这项研究提出了对土壤-土生土相互作用机制的评估。在不同类型的土工格栅上进行拉拔试验,以评估卸荷-装填过程中土工格栅周围的横向肋骨和砂的剪胀特性的影响。使用粒子图像测速仪观察相互作用,并在有限元方法中使用空间离散化方案进行分析,以了解剪胀机制和剪切应变分布。

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  • 来源
    《Geosynthetics International》 |2010年第4期|p.242-249|共8页
  • 作者单位

    PhD student, Department of Civil Engineering, Saitama University, 255 Shimo-Okubo, Sakura-ku,nSaitama 338-8570, Japan, Telephone: +81 83 3498 9568, Telefax: +81 48 855 1378,nE-mail: s07de054@mail.saitama-u.ac.jpn2nProfessor, Geosphere Research Institute, Saitama University, 255 Shimo-okubo, Sakura-ku, Saitaman338-8570, Japan, Telephone: +81 48 858 9239, Telefax: +81 48 855 1378,nE-mail: jkuwano@mail.saitama-u.ac.jpn3nAssistant senior researcher, Earthquake and Structural Engineering, Structures Technology Division,nRailway Technical Research Institute, 2-8-38 Hikari-cho, Kokubunji-shi, Tokyo 185-8540, Japan,nTelephone: +81 42 573 7394, Telefax: +81 42 573 5326, E-mail: izawa@rtri.or.jpn4nAssistant Professor, Geosphere Research Institute, Saitama University, 255 Shimo-okubo, Sakura-ku,nSaitama 338-8570, Japan, Telephone: +81 48 858 9002, Telefax: +81 48 855 1378,nEmail: stachi@mail.saitama-u.ac.jp,;

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  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Geosynthetics; Pullout test; Unload—reload; Dilatancy; Contraction; Geogrid;

    机译:土工合成材料;拔出测试;卸载-重新加载;膨胀性收缩;土工格栅;

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