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大豆堆弹性模量的测定与分析 被引量:4

THE MEASUREMENT AND ANALYSIS OF ELASTIC MODULUS OF SOYBEAN PILE
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摘要 使用TSZ-6A型应变控制式三轴仪对不同围压(50kPa、100kPa、150kPa、200kPa)、不同含水率(9.8%、12.3%、15.8%、17.2%w.b)的大豆堆的弹性模量进行了测定,并分析了围压与含水率对大豆弹性模量的影响。实验结果表明:对于含水率范围为9.8%~17.2%w.b的大豆堆,在围压为50kPa~200kPa的范围内,其弹性模量范围为3.07MPa~28.80MPa,在相同含水率条件下,大豆堆的弹性模量随着围压的增大而增大;在相同围压条件下,大豆堆的弹性模量随着含水率的增加而减小。 In this paper, elastic modulus of soybean pile (moisture contents are 9.8%, 12.3%, 15.8% and 17. 2% w. b confining pressure is 50 kp, 100kp, 150kp and 200kp) were measured by the strain control type three triaxial apparatus. The influence of the confining pressure and the moisture content on the elastic modulus of soybean pile had been analyzed. The results showed that the elastic modulus of the soybean pile range from 3.07MPa to 28.80MPa in the moisture content range of 9.8%-17.2% w. b and the confi- ning pressure range of 50-200kPa. The elastic modulus of soybean pile increased with the increase of the confining pressured in a certain moisture content. The elastic modulus decreased with the increase of the moisture content in a certain confining pressure.
出处 《粮食储藏》 2013年第1期17-20,共4页 Grain Storage
基金 "十一五"国家科技支撑计划项目(项目编号:2009BADA0B04-5) 江苏省教育厅自然科学基金项目(项目编号:11KJD550001)
关键词 大豆 弹性模量 围压 含水率 soybean, elastic modulus, confining pressure, moisture content
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参考文献10

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二级参考文献6

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