Effect of cyclic deformations on the evolution of localizations in granular bodies

机译：周期性变形对粒状体局部化演化的影响

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In the paper, shear localization in granular materials is investigated during cyclic deformation. Two rate boundary value problems are analyzed with a finite element method and a polar hypoplastic constitutive law: cyclic shearing of a narrow layer of sand between two very rough boundaries under conditions of free dila-tancy and cyclic biaxial compression-extension of a sand specimen under a constant lateral pressure. Attention is laid on the influence of the cyclic loading amplitude on the thickness of a shear zone inside of sand.

机译：在本文中，研究了周期性变形过程中颗粒材料的剪切局部化。用有限元方法和极地次塑性本构律分析了两个速率边值问题：在自由稀释和砂岩试件在以下条件下的循环双轴压缩-伸长条件下，两个非常粗糙的边界之间的细砂层的循环剪切恒定的侧向压力。应注意循环载荷振幅对砂土内部剪切带厚度的影响。

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《International Symposium on Geotechnical Measurements and Modelling; Sep 23-25, 2003; Karlsruhe, Germany》|2003年|p.493-498|共6页
会议地点 Karlsruhe(DE)
作者
J. Tejchman;
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作者单位

Gdansk University of Technology, Gdansk, Poland;

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原文格式 PDF
正文语种 eng
中图分类公路运输;
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Effect of cyclic deformations on the evolution of localizations in granular bodies

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