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.