Bond Failure Mechanism of Fully Grouted Rock Bolts.

• Superior document: SpringerBriefs in Applied Sciences and Technology Series
• Author: Chen, Jianhang.
• TeilnehmendeR: Li, Yongliang.; Zhang, Junwen.
• Place / Publishing House: Singapore : : Springer,, 2023.; ©2023.
• Year of Publication: 2023
• Edition: 1st ed.
• Language: English
• Series: SpringerBriefs in Applied Sciences and Technology Series
• Physical Description: 1 online resource (118 pages)

Table of Contents

• Intro
• Preface
• Contents
• 1 Introduction
• 1.1 Background
• 1.2 Book Outline
• References
• 2 Analysis on the Shear Stress Propagation Mechanism in the Rock Reinforcement System
• 2.1 Introduction
• 2.2 Previous Study on the Shear Stress Propagation
• 2.2.1 Investigation Approaches
• 2.2.2 Shear Stress Propagation Mechanism
• 2.3 Discussion
• 2.4 Conclusions
• References
• 3 Numerical Simulation of the Shear Behaviour of Cement Grout
• 3.1 Introduction
• 3.2 Selection of the Software
• 3.3 Numerical Simulation Process
• 3.3.1 Simulation of the Cement Grout with a Higher Strength
• 3.3.2 Simulation of the Cement Grout with a Lower Strength
• 3.4 Analysis on the Shear Stress Distribution
• 3.5 Recommendation for Further Work
• 3.6 Conclusions
• References
• 4 Analytical Modelling to Study the Load Transfer Performance of Fully Grouted Rock Bolts
• 4.1 Introduction
• 4.2 Analytical Modelling
• 4.2.1 Bond-Slip Model
• 4.2.2 Governing Equation
• 4.2.3 Pull-Out Stages of Rock Bolts
• 4.3 Calibration of the Input Parameters
• 4.4 Validation of the Analytical Model
• 4.4.1 Validation with a Pull-Out Test
• 4.4.2 Validation with the Other Pull-Out Test
• 4.5 Parametric Study
• 4.5.1 Elastic Modulus of the Confining Medium
• 4.5.2 Shear Strength of the Bolt/Grout Interface
• 4.5.3 Residual Shear Strength of the Bolt/Grout Interface
• 4.6 Conclusions
• References
• 5 Analytical Studying the Confining Medium Diameter Impact on Load-Carrying Capacity of Rock Bolts
• 5.1 Introduction
• 5.2 Analytical Modelling Approach
• 5.3 Modelling Process and Results
• 5.4 Conclusions
• References
• 6 Studying the Bond Performance of Fully Grouted Rock Bolts Based on the Variable Controlling
• 6.1 Introduction
• 6.2 Calculating Principal of the Constitutive Equation
• 6.3 Parameter Study
• 6.3.1 Bolt Diameter.
• 6.3.2 Elastic Modulus of Bolts
• 6.3.3 Grouting Length of Bolts
• 6.3.4 Bond Slipping When the Bond Strength Was Reached
• 6.4 Limitation of the Current Study
• 6.5 Recommendation of Further Work
• 6.6 Conclusions
• References
• 7 Analytical Modelling Rock Bolts with a Closed Nonlinear Model
• 7.1 Introduction
• 7.2 Illustration of the Analytical Model
• 7.3 Validation of the Analytical Model
• 7.4 Parametric Study
• 7.4.1 The First Coefficient
• 7.4.2 The Second Coefficient
• 7.4.3 Elastic Modulus of the Rock Bolt
• 7.4.4 Rock Bolt Diameter
• 7.5 Load Distribution Along a Fully Grouted Rock Bolt
• 7.6 Limitation and Recommendation for Future Work
• 7.7 Conclusions
• References.