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岩石蠕变扰动效应理论及试验研究  岩石蠕变扰动效应细观损伤力学特征  英文  2
岩石蠕变扰动效应理论及试验研究  岩石蠕变扰动效应细观损伤力学特征  英文  2

岩石蠕变扰动效应理论及试验研究 岩石蠕变扰动效应细观损伤力学特征 英文 2PDF电子书下载

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  • 作 者:付志亮著
  • 出 版 社:北京:中国科学技术出版社
  • 出版年份:2010
  • ISBN:9787504656896
  • 页数:145 页
图书介绍:不同埋深的巷道,所受应力状态不同,则所处的稳定状态也不相同。当巷道埋深较大时,越接近临界稳定状态;特别是环绕开挖巷道附近的扰动区域,通常它的初始状态(如应力、应变、稳定性、渗流等)被开挖、远场加载力、爆破震动、矿车来回穿梭引起振动或者其它因素扰动。此时较小的扰动便可以导致裂纹的大规模瞬时动力扩展,诱发巷道的失稳破坏。因此,研究岩石的蠕变特性以及岩石在扰动载荷作用下的损伤,建立蠕变扰动效应理论,对深井开采及支护具有重要的意义。本书围绕岩石的蠕变特性和蠕变扰动效应,应用新研制的三轴蠕变扰动仪、MTS和弯曲试验仪,进行了一系列室内试验。
《岩石蠕变扰动效应理论及试验研究 岩石蠕变扰动效应细观损伤力学特征 英文 2》目录

1 Introduction 1

1.1 Research Background and Significance 4

1.2 History and Present Study 6

1.3 Problems on Rock Creep 16

1.4 Research Methods and Contents 17

2 Tests on Creep of Rock Under Triaxial Compression 21

2.1 Conventional Tests of Rocks Under Triaxial Compression 21

2.2 Tests and Analysis of Creep Under Triaxial Compression 27

2.3 Tests of Triaxial Compression Creep Under Low Confining Pressure 33

2.4 Summary 43

3 Disturbance Effects on Creep Under Triaxial Compression 44

3.1 Equipment and Methods of Tests 45

3.2 Results and Analysis of Tests 48

3.3 Damage Constitutive Formula and Testing Verification 57

3.4 Summary 60

4 Damage Constitutive Relationship and Disturbance Effects on Creep Under Triaxial Load 61

4.1 Triaxial Shear Damage Creep of Rock Under Lower Confining Pressure 62

4.2 Low Confming Pressure Influence on Mechanics Characteristics of Soft Rock 70

4.3 Rock Disturbance Effects on Creep and Constitutive Relationship of Creep Damage 72

4.4 Summary 76

5 CT Scanning Tests of Creep Meso-damage 78

5.1 Meso Constitutive Relationship of Creep Damage 79

5.2 Tests and Analysis of Rock CT Scanning 83

5.3 Meso Creep Damage Under Disturbance Loads 110

5.4 Summary 113

6 Creep and Its Disturbance Effect of Rock Beam Bending 116

6.1 Creep Tests of Bending Under the Single Level Constant Load 117

6.2 Creep Tests of Static Bending Under the Stepwise Load 118

6.3 Disturbance Tests Under the Bending Creep State 119

6.4 Constitutive Relationship of Bending Creep Damage of Rock Beam 122

6.5 Summary 126

7 Main Research Results and Conclusions 128

Acknowledgements 134

References 135

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