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含石英脉硅质板岩显微构造特征与封闭应力初探(英文)

含石英脉硅质板岩显微构造特征与封闭应力初探(英文)

  • 字数: 324
  • 出版社: 中国矿大
  • 作者: 王涛|
  • 商品条码: 9787564661496
  • 版次: 1
  • 开本: 16开
  • 页数: 148
  • 出版年份: 2024
  • 印次: 1
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内容简介
岩石在冷却和漫长的地质演化过程中会有应力 被封闭其中,岩石中存在封闭应力的现象逐渐被人 们所认识,封闭应力可能与深部岩体工程灾害具有 强相关性。本书基于X射线衍射技术、弹性力学理论 ,结合理论分析和数值模拟技术,对岩石封闭应力 的存在形式、量值和含封闭应力岩石的变形破坏特 性进行了初步研究。探讨了岩石封闭应力的测试方 法,并基于布拉格定律和正交异性弹性理论,利用X 射线衍射仪对岩石样品开展了封闭应力的测试和计 算;以弹性力学理论为基础,建立了封闭应力岩石 受载力学模型并推导获得应力解析式;利用含封闭 应力数值计算模型,开展了封闭应力方向对巴西圆 盘劈裂性能影响的研究。本书可供从事岩土工程的 工程技术人员参考使用。
目录
1 Introduction 1.1 Research background and significance 1.2 Research status 1.3 Research contents and technical roadmap 2 Rock microstructure and residual stress measurement principle 2.1 Fundamentals of crystallography 2.2 Principle of XRD stress measurement 2.3 Principles and methods of rock microstructure analysis 3 Microstructure characteristics of siliceous slate-containing quartz vein 3.1 Experimental scheme 3.2 Matrix mineral composition and fabric characteristics 3.3 Quartz vein mineral composition and fabric characteristics 3.4 Micro area plastic strain characteristics 3.5 Summary 4 Residual stress measurement of rock based on XRD 4.1 Sample preparation and test process 4.2 Data processing mode and optimization 4.3 Selection of test crystal plane 4.4 Determination of sample surface processing method 4.5 Summary 5 Residual stress characteristics of siliceous slate-containing quartz vein 5.1 Arrangement of measuring points 5.2 Residual stress measurement and analysis 5.3 Determination of residual stress 5.4 Summary 6 Rock splitting mechanical model considering residual stress 6.1 Loading model of rock without residual stress 6.2 Loading model of rock with residual stress 6.3 Effects of different parameters on rock stress distribution 6.4 Summary 7 Numerical simulation study on the influence of residual stress on rock failure characteristics 7.1 Numerical modeling process and experimental plan 7.2 Analysis of the influence of residual stress direction on rock failure characteristics 7.3 Analysis of the influence of stress inclusion location on rock failure characteristics 7.4 Discussion of different simulation schemes 7.5 Summary 8 Main conclusions References

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