Author: Lei Guohui
Language: English
ISBN/ISSN: 7030170598
2006; Hardcover;176x250mm;334

Table of Contents

Contents

ABSTRACT
ACKNOWLEDGEMENTS
NOMENCLATURE
1.
1.1OVERVIEW
1.2BARRETTE
1.3OBJECTIVES OF THE RESEARCH
1.4STRUCTURE OF THE BOOK
2. LITERATURE REVIEW
2.1
2.2BARRETTE INSTALLATION EFFECTS
2.3BARRETTE LOAD-CARRYING PERFORMANCE
2.4DESIGN METHODOLOGY OF BARRETTE
2.5SUMMARY
3. OVERVIEW OF FIELD TESTS ON BARRETTES IN HONG KONG
3.1
3.2BARRETTE PILING PRACTICE IN HONG KONG
3.3FIELD TESTED BARRETTES UNDER REVIEW
3.4SITE LOCATIONS AND GROUND CONDITIONS
3.5DETAILS OF CONSTRUCTION
3.6INSTRUMENTATION
3.7LOADING TEST METHOD
3.8SUMMARY
4. GROUND CONDITIONS,CONSTRUCTION AND INSTRUMENTATION OF A BARRETTE AT KOWLOOM BAY
4.1
4.2SITE LOCATION AND GROUND CONDITIOS
4.3DETAILS OF CONSTRUCTION
4.4INSTRUMENTATION
4.5LOADING TEST PROCEDURES
4.6SUMMARY
5. GROUND DEFORMATION AND STRESS CHANGES DURING THE INSTALLATION OF THE BARRETTE
5.1
5.2GROUND GEFORMATIONS
5.3LATERAL PRESSURES ON SIDEWALLS OF THE BARRETTE TRENCH
5.4DISCUSSION OF SOIL STRAINS
5.5SUMMARY AND CONCLUSIONS
6. RESULTS OF THE BARRETTE LOADING TEST AT KOWLOON BAY
6.1
6.2LOAD AND MOVEMENT BEHAVIOUR
6.3AXIAL LOAD DISTRIBUTION
6.4MOBILISATION OF SHAFT RESISTANCE
6.5PORE PRESSURE RESPONSE AT BARRETTE-SOIL INTERFACE
6.6CHANGES OF LATERAL STRESS AT BARRETTE-SOIL INTERFACE
6.7SUMMARY AND POSSIBLE EXPLANATION OF BARRETTE-SOIL INTERFACE BEHAVIOUR
6.8CONCLUSIONS
7. SHAFT RESISTANCE OF BARRETTES IN GRANITIC SAPROLITE
7.1
7.2LOAD-MOVEMENT RESPONSE AT THE BARRETTE HEAD
7.3METHODOLOGY OF INTERPRETATION OF THE TEST DATA
7.4MOBILISATION OF SHAFT RESISTANCE IN GRANITIC SAPROLITE
7.5MAXIMUM UNIT SHAFT RESISTANCE IN GRANITIC SAPROLITE
7.6CONSTRUTION EFFECTS ON SHAFT RESISTANCE
7.7DISCUSSION OF NORMAL STRESS ON BARRETTE-SOIL INTERFACE
7.8SUMMARY AND CONCLUSIONS
8. AN ANALYTICAL SOLUTION FOR CALCULATING HORIZONTAL STRESS CHANGES AND DISPLACEMENTS AROUND A BARRETTE
8.1
8.2BACKGROUND
8.3STRESS BOUNDARY CONDITIONS DURING THE INSTALLATION OF A BARRETTE
8.4BASIC SIMPLE ELASTIC SOLUTION
8.5SOLUTION FOR HORIZONTAL STRESS CHANGES AND DISPLACEMENTS AROUND A BARRETTE
8.6SOLUTION FOR HRIZONTAL STRESS CHANGES AND DISPLACEMENTS AROUND AN EXCAVATED CIRCULARPILE
8.7DISTRIBUTIONS OF STRESS CHANGES AROUND BARRETTES
8.8DISPLACEMENTS AROUND BARRETTES
8.9DEVELOPMENT OF POTENTIAL YIELDING OF SOILS AROUND A BARRETTE
8.10 PARAMETRIC STUDY
8.11 EXAMPLES
8.12 LIMITATIONS AND APPLICABILITY
8.13 SUMMARY AND CONCLUSIONS
9. APPLICABILITY OF THE ANALYTICAL SOLUTION AND UNEVEN SHAFT RESISTANCE DISTRIBUTION ACROSS A BARRETTE
9.1
9.2ASSUMPTIONS,CO-ORDINATE SYSTEM AND SIGN CONVENTION
9.3EFFECT OF MESH REFINEMENT ON THE CALCULATION ACCURACY
9.4APPLICABILITY OF THE PROPOSED 2-D ANALYTICAL SOLUTION TO 3-D BARRETTE INSTALLATION PROBLEM
9.5NUMERICAL ANALYSES OF THE BARRETTE AT KOWLOON BAY
9.6SUMMARY AND CONCLUSIONS
10.APPROXIMATE THREE-DIMENSIONAL ANALYSIS OF RECT-ANGULAR BARRETTE-SOIL-CAP INTERACTION
10.1
10.2 A SINGLE BARRETTE
10.3 A BARRETTE GROUP
10.4 A BARRETTE-SOIL-CAP INTERACTION SYSTEM
10.5 VERIFICATION OF METHOD
10.6 RESULTS OF ANALYSES
10.7 CONCLUSIONS
11.MAJOR CONCLUSIONS AND FURTHER STUDIES
11.1 GROUND DEFORMATION AND STRESS CHANGE DURING A BARRETTE INSTALLATION
11.2 MOBILISATION BEHAVIOUR OF BARRETTE SHAFT RESISTANCE
11.3 FURTHER STUDIES

REFERENCES
APPENDIX A SPECIFIC SURFACE OF A RECTANGULAR BARRETTE AND A CIRCULAR PILE
APPENDIX B RHYSICAL MEANINGS OF KINEMATICS IN CENTRIFUGE MODELLING TECHNIQUE
B.1
B.2 EXPRESSIONS OF GLOBAL VELOCITY AND ACCELERATION
B.3 PHYSICAL MEANINGS IN GLOBAL ACCELERATION EXPRESSION
B.4 PREFERRED DIRECTION OF UNI-AXIAL SHAKING
B.5 EXAMINATION OF SCHOFIELD'S DESCRIPTION OF THE KINEMATICS IN CENTRIFUGE MODELLING
B.6 CONCLUSIONS
APPENDIX C ACTUAL AZIMUTH ANGLE AND DISPLACEMEN INTERPRETED FROM PENDULUM TYPE INCLINOMETER READINGS
C.1 ABSTRACT
C.2
C.3 CONVENTIONAL DATA INTERPRETATION METHOD
C.4 BASIC WORKING PRINCIPLE OF PENDULUM TYPE INCLIONMETER
C.5 ACTUAL AZIMUTH ANGLE AND RESULTANT DISPLACEMENT
C.6 EXPERIMENTAL VERIFICATION
C.7 ERRORS INDUCED IN THE CONVENTIONAL METHOD
C.8 CONCLUSIONS
APPENDIX D STRESS AND DISPLACEMENT AROUND AN ELASTIC ARTIFICIAL RECTANGULAR HOLE
D.1
D.2 BACKGROUND
D.3 CONFORMAL TRANSFORMATION FUNCTION
D.4 STRESS FUNCTIONS
D.5 STRESS AND DISPLACEMENT SOLUTION
D.6 COMPUTATIONAL IMPLEMENTATION OF THE SOLUTION
D.7 VERIFICATION OF THE SOLUTION
D.8 USE OF THE SOLUTION FOR NON-RECTANGULAR HOLES
D.9 CONCLUSIONS
APPENDIX E PROOF OF THE REGION IN WHICH h1(ξ) AND h2(ξ) ARE HOLOMORPHIC AND CONTINUOUS
E.1 INTRODUTION
E.2 FOR THE FUNCTION h1(ξ)
E.3 FOR THE FUNCTION h2(ξ)
APPENDIX F FORTRAN SUBROUTINE FOR A RECTANGULAR HOLE SUBJECTED TO UNIAXIAL STRESS ATINFINITY
APPENDIX G FORTRAN PROGRAM FOR CALCULATING HORIZONTAL STRESS CHANGES AND DISPLACEMENTSAROUND A BARRETTE
APPENDIX H TYPICAL FLAC3D INPUT FILE FOR MODELLING THE EXCAVATION OF A BARRETTE TRENCH
APPENDIX I FLAC3D INPUT FILE FOR MODELLING THE BARRETTE INSTALLATION AND LOAD TESTING ATKOWLOON BAY
APPENDIX J EXPRESSION FOR THE SOIL DISPLACEMENT INFLUENCE FACTOR