作者：陈见行，刘世奇，孙振明 著
页数：188
出版社：中国矿业大学出版社
出版日期：2024
ISBN：9787564657284
电子书格式：pdf/epub/txt
网盘下载地址：下载地下矿山开采中全长黏结锚杆支护理论模型及数值计算研究(英文)
内容简介
本书从理论分析和数值模拟的角度分析锚杆、锚固剂和周围岩体之间的力学传递过程，以进一步揭示全长黏结锚杆支护的力学传递机理，从而为预防工程实践中全长黏结锚杆支护的失效提供理论依据和科学基础。与此同时，本书为研究全长黏结锚杆支护的锚固机制提供了新思路和新方法。本书的特点在于其从理论建模和数值计算的角度揭示了全长黏结锚杆支护锚固体内的应力传播过程，从而能够深入揭示全长黏结锚杆的锚固机制。本书的学术价值和应用价值主要包括：有助于揭示全长黏结锚杆支护的作用原理，为全长黏结锚杆支护在现场的应用铺垫理论基础；有助于将最新的关于全长黏结锚杆支护的研究成果与国内外同行分享；可以作为研究生教育中关于岩层控制和巷道支护方面的教材。
目录
Chapter 1 Introduction
1.1 Background
1.2 Research objectives
1.3 Outline of this book
Chapter 2 Analytical Modelling Rock Bolts with an Elastic-softening Model
2.1 Introduction
2.2 Load transfer mechanics
2.3 Bond-slip model
2.4 Analytic modelling
2.5 Calibration of input parameters
2.6 Validation of the analytical solution
2.7 Parameter analysis
2.8 Recommendation for further work
2.9 Conclusions
Chapter 3 Analytical Modelling Rock Bolts with an Elastic-debonding Model
3.1 Introduction
3.2 Bond-slip equation
3.3 Rock bolt loading performance
3.4 Input parameters
3.5 Experimental test validation
3.6 Parameter analysis
3.7 Conclusions
Chapter 4 Numerical Investigation of the Tensile Performance and Failure Process of a Modified Portland Cement
4.1 Introduction
4.2 Experimental program
4.3 Experimental results
4.4 Numerical simulation scheme
4.5 Numerical simulation results and analysis
4.6 Discussion
4.7 Recommendations for further work
4.8 Conclusions
Chapter 5 Numerical Modelling Rock Bolts with the Modified Cable Elements
5.1 Introduction
5.2 The bond-slip model for the interface
5.3 Incorporating the bond-slip model into FLAC3D
5.4 Validation of this numerical model
5.5 A study with the modified cableSELs
5.6 Recommendation for further work
5.7 Conclusions
Chapter 6 Numerical Simulation of Fully Encapsulated Rock Bolts with a Tri-linear Constitutive Model
6.1 Introduction
6.2 Shear behaviour of the bolt/grout interface
6.3 Merging the constitutive model into pile elements
6.4 Validation with experimental tests
6.5 Numerical simulation under the in-situ case
6.6 Conclusions
Chapter 7 Investigating the Load Transfer Performance of Fully Grouted Rock Bolts with a Modified Numerical Simulation Method
7.1 Introduction
7.2 Description of the revised simulation approach
7.3 Numerical simulation scheme
7.4 Recommendation for further work
7.5 Conclusions
Chapter 8 Conclusions and Limitations
References
1.1 Background
1.2 Research objectives
1.3 Outline of this book
Chapter 2 Analytical Modelling Rock Bolts with an Elastic-softening Model
2.1 Introduction
2.2 Load transfer mechanics
2.3 Bond-slip model
2.4 Analytic modelling
2.5 Calibration of input parameters
2.6 Validation of the analytical solution
2.7 Parameter analysis
2.8 Recommendation for further work
2.9 Conclusions
Chapter 3 Analytical Modelling Rock Bolts with an Elastic-debonding Model
3.1 Introduction
3.2 Bond-slip equation
3.3 Rock bolt loading performance
3.4 Input parameters
3.5 Experimental test validation
3.6 Parameter analysis
3.7 Conclusions
Chapter 4 Numerical Investigation of the Tensile Performance and Failure Process of a Modified Portland Cement
4.1 Introduction
4.2 Experimental program
4.3 Experimental results
4.4 Numerical simulation scheme
4.5 Numerical simulation results and analysis
4.6 Discussion
4.7 Recommendations for further work
4.8 Conclusions
Chapter 5 Numerical Modelling Rock Bolts with the Modified Cable Elements
5.1 Introduction
5.2 The bond-slip model for the interface
5.3 Incorporating the bond-slip model into FLAC3D
5.4 Validation of this numerical model
5.5 A study with the modified cableSELs
5.6 Recommendation for further work
5.7 Conclusions
Chapter 6 Numerical Simulation of Fully Encapsulated Rock Bolts with a Tri-linear Constitutive Model
6.1 Introduction
6.2 Shear behaviour of the bolt/grout interface
6.3 Merging the constitutive model into pile elements
6.4 Validation with experimental tests
6.5 Numerical simulation under the in-situ case
6.6 Conclusions
Chapter 7 Investigating the Load Transfer Performance of Fully Grouted Rock Bolts with a Modified Numerical Simulation Method
7.1 Introduction
7.2 Description of the revised simulation approach
7.3 Numerical simulation scheme
7.4 Recommendation for further work
7.5 Conclusions
Chapter 8 Conclusions and Limitations
References
