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高烈度岩爆的超前应力释放控制爆破方法
作者
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出版日期
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2020/05/01
閱讀格式
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PDF
ISBN
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9787568925037
本书主要围绕对强烈岩爆的力学变形机制和超前释放卸压爆破方法开展研究,通过以爆(人工工程爆破)治爆(强烈岩爆)方法,提出合理钻爆参数,为诸多高地应力隧道与地下工程所面临的岩爆威胁提供解决方案.书中以高烈度岩爆超前应力预释放卸压爆破作用机理研究为基础,结合数值模拟,选用合理的卸压控制爆破参数,包括炮孔直径,孔间排距,钻孔深度,炮孔角度等,并结合现场试验来探讨超前应力预释放卸压爆破的有效性和爆破参数的合理性.本书可供从事相关领域工作的教学,科研人员参考,也可作为相关专业研究生的参考书.
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Chapter 1 Introduction
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1.1 Background and Significance
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1.2 Foreign and Domestic Researches
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1.2.1 Current research of rock bursts
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1.2.2 Current research of geostress pre-relief controlled blasting
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1.2.3 Current research on numerical simulation of the stability of surrounding rocks
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1.3 Main Research Contents and Technical Route
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1.3.1 Research contents
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1.3.2 Technical route
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1.4 Expected Target
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1.5 Main Innovations
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Chapter 2 Factors and Preventing Methods of Rockbursts
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2.1 Definition of Rockburst
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2.2 Conventional Evaluation Indexes of Rockbursts
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2.3 Establishment of Numerical Model for Analyzing Factors of Rockbursts
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2.3.1 Introduction to simulation tools
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2.3.2 Model establishment and benchmark simulation
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2.4 Impact of Rock's Physical and Mechanical Properties on Rockbursts
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2.4.1 Qualitative analysis of the impact of rock's physical and mechanical properties on rockbursts
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2.4.2 Quantitative analysis of the impact of rock's physical and mechanical properties on rockbursts
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2.5 Numerical Analysis of the Effects of Excavating and Supporting Conditions on Rockbursts
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2.5.1 Numerical analysis of the effects of full-face excavation and stepwise excavation on rockbursts
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2.5.2 Numerical analysis of the effect of supporting conditions on rockbursts
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2.6 Recommended Ideas for Controlling High-intensity Rock Bursts
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2.7 Summary
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Chapter 3 Mechanism of the Pre-release De-stress Blasting for Rockbursts
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3.1 Definition of De-stress Blasting
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3.2 Microscopic Mechanism of the De-stress Blasting
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3.3 Derivation of the Calculation Formula of Residual Stress after De-stress Blasting
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3.3.1 Derivation of de-stress blasting equation on two-dimensional plane
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3.3.2 Deduction of the de-stress blasting equation on 3-dimensional plane
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3.4 Role of the Stress Pre-release Loose Circle
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3.5 Factors Influencing De-stress Blasting Effectiveness
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3.6 Summary
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Chapter 4 Experimental Study on Rock Mechanics of Surrounding Rocks in Tunnels
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4.1 Lab Environment
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4.2 Test Methods and Results
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4.2.1 Uniaxial compressive strength test
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4.2.2 Tensile strength test
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4.2.3 Normal triaxial compression test
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4.3 Summary
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Chapter 5 Optimization of Parameters for Pre-release De-stress Controlled Blasting Based on Numerical Simultations
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5.1 Response Platforms of Numerical Simulation Analysis
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5.1.1 ANSYS/ LS-DYNA numerical platform
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5.1.2 FLAC 3D numerical analysis platform
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5.2 Calculation Process of De-stress Controlled Blasting
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5.2.1 ANSYS/ LS-DYNA numerical simulation blasting
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5.2.2 Coupling process of ANSYS/ LS-DYNA and FLAC 3D
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5.2.3 Stress release simulation of de-stress blasting in tunnel
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5.3 Scheme for the De-stress Controlled Blasting
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5.3.1 Overall plan
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5.3.2 Design for orthogonal experiment numerical simulation
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5.3.3 Design for single factor numerical simulation
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5.4 Result Analysis of Numerical Simulations
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5.4.1 Result analysis of orthogonal experiment numerical simulation
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5.4.2 Result analysis of single-factor numerical simulation
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5.5 Summary
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Chapter 6 On-site Tests of Stress Release by Borehole De-stress Blasting
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6.1 General Engineering Situation of Test Site
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6.1.1 Rockburst features of Sangzhuling tunnel
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6.1.2 Rock bursts in Sangzhuling tunnel
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6.2 Blasting Scheme Design
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6.3 Test Equipment
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6.3.1 Stress test equipment
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6.3.2 De-stress blasting test equipment
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6.4 Test Process
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6.4.1 Experimental process of stress testing
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6.4.2 Test process of de-stress blasting
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6.5 Data Processing and Test Results
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6.5.1 Experimental data
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6.5.2 Data processing of stress test results
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6.5.3 Data processing results
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6.6 Comparative Analysis
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6.7 Summary
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Chapter 7 Application of De-stress Controlled Blasting in Double-shield TBM Tunnel
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7.1 Engineering Overview of Test Site
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7.2 Influencing Factors of Rockburst Stucks in this Tunnel
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7.3 Research Status of Advanced Rockburst Forecast Technology
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7.4 De-stress Blasting Test Under Double Shield TBM
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7.4.1 Native stress test
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7.4.2 De-stress bursting test
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7.4.3 Data processing results
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7.5 Summary
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- Conclusion and Outlook
- Acknowledgements
- References
- 出版地 ： 中國大陸
- 語言 ： 英文
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