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THEORETICAL AND EXPERIMENTAL STUDIES OF STRESS DISTRIBUTION IN WEDGE-SHAPED GRANULAR HEAPS

THEORETICAL AND EXPERIMENTAL STUDIES OF STRESS DISTRIBUTION IN WEDGE-SHAPED GRANULAR HEAPS
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摘要 现在的工作解释限制为长棱柱的堆的自我重量传播的静电干扰在休息的一个角度倾向了并且相称性地在一个僵硬的底上形成了。有沿着斜坡表面的应力的动员状态的极化的主要的轴的闭合被在平衡方程上强加主要压力的取向采用。比较用一个有弹性的模型基于有限元素方法随计算被做。而且,在一个矩形的僵硬的底上扔的沙堆的实验被进行验证理论学习。测量压力侧面通常与理论结果同意了很好。 The present work explains the statics of self-weight transmission restricted to a long prismatic heap inclined at an angle of repose and symmetrically formed on a rigid base. The closure of polarized principal axes with the mobilized state of stress along the slope surface is employed by imposing the orientation of principal stresses on the equilibrium equations. Comparisons were made with calculations based on the finite element method using an elastic model. Moreover, experiments on sand heaps deposited on a rectangular rigid base were conducted to validate the theoretical study. The measured pressure profile generally agreed well with theoretical results.
作者 Thirapong Pipatpongsa Tadaki Matsushita Maho Tanaka Shiniehi Kanazawa Katsuyuki Kawai Thirapong Pipatpongsa[a];Tadaki Matsushita[b];Maho Tanaka[c];Shinichi Kanazawa[d];Katsuyuki Kawai[e]
出处 《固体力学学报:英文版》 SCIE EI CSCD 2014年第1期28-40,共13页 Acta Mechanica Solida Sinica
基金 This work was supported by KAKENHI Grant Numbers 23760441 and 24360193. The authors would like to express their gratitude to Japan Society for the Promotion of Science (JSPS).
关键词 应力分布 实验 颗粒堆 楔形 刚性基础 平衡方程 有限元法 弹性模型 granular materials, sand, continuum medium, analytical method, finite element method, experimental techniques
作者简介 Corresponding author. E:mail: pthira@gsic.titech.ac.jp
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参考文献31

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