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图书信息
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Load Transfer Mechanism of Fully Grouted Cable Bolts
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ISBN: | 9787502486266 |
定价: | ¥48.00 |
作者: | Chen Jianhang,Chen Yulong,Zhang Cun[著] |
出版社: | 冶金工业出版社 |
出版时间: | 2020年10月 |
开本: | 24cm |
页数: | 117页 |
中图法: | TD42 |
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2024-04-15
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目录 | Chapter 1 Introduction 1.1 Background 1.2 Research objectiver/> 1.3 Book outline Chapter 2 A new laboratory short encapsulation pull test apparatus design 2.1 Introduction 2.2 LSEPT apparatus design 2.2.1 Components of the test rig 2.2.2 Test confining medium 2.2.3 Confinement tube 2.2.4 Anchor tube 2.2.5 Bearing plate 2.2.6 Anti-rotation devicer/> 2.2.7 Hydraulic control 2.2.8 Monitoring system 2.3 Test specimen preparation and installation 2.3.1 Cementitious confining medium casting and curing 2.3.2 Cable bolt and anchor tube installation 2.4 Preliminary testr/> 2.4.1 Test with a MW9 cable bolt 2.4.2 Test with a Superstrand cable bolt 2.4.3 Influence of borehole roughner/> 2.4.4 Influence of pre-confinement of the confining medium 2.4.5 Further study of cable termination methodr/> 2.5 Summary Chapter 3 Load transfer behaviour of fully grouted cable boltr/> 3.1 Introduction 3.2 Load transfer of modified cable boltr/> 3.2.1 Dimensions of MW9 cable boltr/> 3.2.2 Bearing plate effect 3.2.3 Borehole size effect 3.2.4 Confining medium strength effect 3.3 Load transfer of plain cable boltr/> 3.3.1 Dimensions of Superstrand cable boltr/> 3.3.2 Bearing plate effect 3.3.3 Borehole size effect 3.3.4 Confining medium strength effect 3.4 Comparison between two types of cable boltr/> 3.4.1 Cable surface geometry effect in the weak confining medium 3.4.2 Cable surface geometry effect in the strong confining medium 3.5 Post-failure behaviour 3.5.1 MW9 cable bolt 3.5.2 Superstrand cable bolt 3.6 Summary Chapter 4 Analytical modelling of load transfer behaviour of fully grouted cable boltr/> 4.1 Introduction 4.2 Analytical modelling of the fully grouted cable boltr/> 4.2.1 Governing equation 4.2.2 The tri-linear model of the cable/grout interface 4.2.3 Pull-out stages of cable boltr/> 4.3 Validation of the analytical model 4.3.1 Pull-out tests on plain cable boltr/> 4.3.2 Pull-out tests on modified cable boltr/> 4.4 Shear stress distribution in the peak load state 4.5 Interfacial shear stress propagation with pull-out stager/> 4.6 Summary Chapter 5 Numerical simulation of the axial behaviour of fully grouted cable boltr/> 5.1 Introduction 5.2 Structural element selection 5.3 Calibration of confining medium material 5.3.1 Calibration of the weak confining medium material 5.3.2 Calibration of the strong confining medium material 5.4 Simulation of the pull-out behaviour of Superstrand cable boltr/> 5.4.1 Pulling Superstrand cables from weak medium with normal borehole 5.4.2 Pulling Superstrand cables from weak medium with larger borehole 5.4.3 Pulling Superstrand cables from strong medium 5.5 Simulation of the pull-out behaviour of MW9 cable boltr/> 5.5.1 Pulling MW9 cables from weak medium with normal borehole 5.5.2 Pulling MW9 cables from weak medium with larger borehole 5.5.3 Pulling MW9 cables from strong medium 5.6 Summary Chapter 6 Conclusionr/>Referencer/> |
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