声明
致谢
变量注释表
1绪论
1.1研究背景(Subject Research Background)
1.2国内外研究现状(Research Status at Home and Abroad)
1.3研究内容、方法与技术路线(Research Content, Approach and Technical Route)
2高温三轴压力下花岗岩水压致裂的试验研究
2.1试验系统构成(Structure of Experimental System)
2.2试验材料与试验方法(Experimental Materials and Experimental Methods)
2.3试验结果与讨论(Experimental Results and Discussion)
2.4 温度对花岗岩水压致裂影响机理( Influence Mechanism of Temperature on the Hydraulic Fracturing of Granite)
2.5本章小结(Summary of this Chapter)
3热力耦合作用下钻孔起裂机理
3.1 起裂前的热传导分析(Analysis of Heat conduct before the Initiation of Hydraulic Fracturing)
3.2 热冲击对水压致裂的影响(Influence of Thermal Shock on Hydraulic Fracturing)
3.3 钻孔附近的热力耦合问题( Thermo-mechanical coupling Problems near the Borehole)
3.4钻孔周围应力分布(Stress Distribution around the Borehole)
3.5起裂准则(Fracturing Criteria)
3.6本章小结(Summary of This Chapter)
4高温岩体钻孔起裂数值模拟
4.1影响起裂压力的因素(Factors Affecting Initiation Pressure)
4.2数值计算方法(Numerical Calculation Method)
4.3钻孔附近温度场分布(Temperature Field Distribution near the Borehole)
4.4起裂压力的变化规律(Variation Law of Breaking Pressure)
4.5起裂方位角与起裂压力(Initiation Azimuth Angle and Initiation Pressure)
4.6本章小结(Summary of This Chapter)
5高温岩体水压致裂裂缝扩展规律
5.1基本假设(Basic Assumptions)
5.2岩块温度及变形控制方程(Temperature Field of the Rock Mass and Deformation of the Governing Equation)
5.3裂缝水渗流控制方程(Governing Equation of Water Seepage in Fracture)
5.4方程汇总(Equation Summary)
5.5裂缝扩展准则(Fracture Propagation Criteria)
5.6 裂缝扩展的数值计算( Numerical Calculation of Fracture Propagation)
5.7本章小结(Summary of This Chapter)
6 高温岩体裂缝注水循环数值试验
6.1计算模型的建立(Establishment of Calculation Model)
6.2 裂缝附近岩体温度场变化规律(Change Law of Rock Mass Temperature near Fracture)
6.3 裂缝变形及渗流场变化规律( Fracture Deformation and Seepage Field Changes)
6.4本章小结(Summary of This Chapter)
7结论与展望
7.1结论(Conclusions)
7.2论文创新性(Innovation of Thesis)
7.2不足与展望(Deficiencies and Prospects)
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