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泥质盐岩单轴蠕变寿命研究

许宏发 马语卿 杨耀然 吕亚茹 耿汉生

许宏发, 马语卿, 杨耀然, 吕亚茹, 耿汉生. 泥质盐岩单轴蠕变寿命研究[J]. 应用数学和力学, 2019, 40(5): 527-535. doi: 10.21656/1000-0887.390230
引用本文: 许宏发, 马语卿, 杨耀然, 吕亚茹, 耿汉生. 泥质盐岩单轴蠕变寿命研究[J]. 应用数学和力学, 2019, 40(5): 527-535. doi: 10.21656/1000-0887.390230
XU Hongfa, MA Yuqing, YANG Yaoran, Lü Yaru, GENG Hansheng. Creep Lifetime Evaluation of Muddy Salt Rock[J]. Applied Mathematics and Mechanics, 2019, 40(5): 527-535. doi: 10.21656/1000-0887.390230
Citation: XU Hongfa, MA Yuqing, YANG Yaoran, Lü Yaru, GENG Hansheng. Creep Lifetime Evaluation of Muddy Salt Rock[J]. Applied Mathematics and Mechanics, 2019, 40(5): 527-535. doi: 10.21656/1000-0887.390230

泥质盐岩单轴蠕变寿命研究

doi: 10.21656/1000-0887.390230
基金项目: 江苏省自然科学基金(BK20171399)
详细信息
    作者简介:

    许宏发(1964—),男,教授,博士,博士生导师(通讯作者. E-mail: xuhongfa1@sina.com).

  • 中图分类号: TU45

Creep Lifetime Evaluation of Muddy Salt Rock

  • 摘要: 岩石流变力学的研究中,蠕变寿命是一个重要问题.由于长期蠕变试验资料的缺乏,难以估计蠕变破坏时间.该文进行了泥质盐岩单轴全应力应变压缩试验,并采用陈氏加载法进行了单轴蠕变试验.对蠕变曲线进行了处理,获得了不同应力水平下的蠕变曲线簇,进而得到了等时应力-应变曲线簇.通过拟合分析,建立了等时应力-应变曲线割线模量随时间变化关系模型和等时应力应变曲线的数学模型.对等时应力应变曲线与全应力-应变曲线之间的关系进行了分析,获得了蠕变破坏强度和破坏应变分别与蠕变寿命之间的数学表达式.该文研究成果可以估计泥质盐岩的蠕变寿命、长期强度、长期模量、蠕变破坏线和蠕变终止线,对相关岩石流变寿命的估计具有借鉴意义.
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出版历程
  • 收稿日期:  2018-08-31
  • 修回日期:  2019-03-21
  • 刊出日期:  2019-05-01

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