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Relationship between diameter of split Hopkinson pressure bar and minimum loading rate under rock failure
  • ISSN号:1003-6326
  • 期刊名称:《中国有色金属学报:英文版》
  • 时间:0
  • 分类:TG1[金属学及工艺—金属学]
  • 作者机构:[1](School of Resources and Safety Engineering, Central South University, Changsha 410083, China
  • 相关基金:Projects(10472134, 50490274) supported by the National Natural Science Foundation of China
中文摘要:

因为在在改变的负担下面的岩石中有许多种损坏,岩石的组成的模型能被力学元素造。岩石包含许多微观结构和 Bingham 的结构,这被恢复。微观结构由在系列在系列和一个弹簧和一个硬化酒吧的单位是一个弹簧和滑行的片的单位的二个分支组成,二个单位在平行连接对方。这些微观结构被安排混乱或在某个国家的顺序。微观结构的某个分发代表岩石的一种类型。二种岩石组成的关系被使用模型推出。一个人是许多平行微观结构和 Bingham 的结构在系列在连接的模型。并且它习惯于同类的岩石。其它是许多微观结构和 Bingham 的结构在系列在连接的模型。并且它在某个方向与许多快克或 microcrack 习惯于岩石。二种组成的关系被学习盒子验证。使用力学元素造的岩石的组成的模型被验证讲理。而且,岩石的不同类型可以与不同分布与力学元素被描述。

英文摘要:

The constitutive model of rock can be built by mechanics elements because there are many kinds of damages in rock under varied loads. It is resumed that rock contains many microstructures and a structure of Bingham. The microstructure consists of two embranchments that are the unit of a spring and a gliding slice in series and the unit of a spring and a cementation bar in series, the two units connect each other in parallel. These microstructures are arranged disorderly or in the order of a certain state. A certain distribution of microstructures represents one type of rock. Two kinds of rock's constitutive relationship were deduced by using the model. One is the model in which many parallel microstructures and a structure of Bingham connect in series. And it is used to homogeneous rock. The other is the model in which many microstructures and a structure of Bingham connect in series. And it is used to the rock with much crack or microcrack in a certain direction. The two kinds of constitutive relationship were verified by the studied cases. The constitutive model of rock built by using mechanics elements is verified to be reasonable. Moreover, different types of rocks may be described with mechanics elements with different distributions.

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期刊信息
  • 《中国有色金属学报:英文版》
  • 中国科技核心期刊
  • 主管单位:中国科学技术协会
  • 主办单位:中国有色金属学会
  • 主编:黄伯云
  • 地址:中国长沙中南大学
  • 邮编:410083
  • 邮箱:f-xsxb@csu.edu.cn
  • 电话:0731-88830949
  • 国际标准刊号:ISSN:1003-6326
  • 国内统一刊号:ISSN:43-1239/TG
  • 邮发代号:42-317
  • 获奖情况:
  • 国家“双百”期刊,第二届全国优秀科技期刊评比二等奖,中国有色金属工业总公司优秀科技期刊一等奖
  • 国内外数据库收录:
  • 俄罗斯文摘杂志,美国化学文摘(网络版),荷兰文摘与引文数据库,美国工程索引,美国剑桥科学文摘,美国科学引文索引(扩展库),英国科学文摘数据库,日本日本科学技术振兴机构数据库,中国中国科技核心期刊
  • 被引量:1159