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OALib Journal期刊
ISSN: 2333-9721
费用：99美元
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非Jaky粮仓的弹性应力分析和侧壁边界条件
DOI: 10.1360/972010-2217, PP. 1091-1096
Keywords: 颗粒物质,粮仓,转向比,Jaky公式
Abstract:
为了理解一些粮仓实验报道中转向比明显大于工程规范中Jaky公式估算值的现象,计算了平面粮仓应力饱和区域的非线性弹性通解.结果表明,这个通解的确可以给出实验观测到的大转向比应力,但同时也偏离Janssen假设.由于边界条件会因塑性而失去完备性,粮仓转向比将允许在一定范围内取值,不一定总是满足Jaky公式.这意味着,弹性理论能够描述与制备历史有关的颗粒物质静力学问题.
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