1 - HB 156-2002 SEGMENTAL CONCRETE REINFORCED SOIL RETAINING WALLS - DESIGN AND CONSTRUCTION GUIDE
4 - Preface
5 - Contents
6 - 1 Introduction
6 - 1.1 General
6 - 1.2 Glossary
7 - 1.3 Behaviour of Segmental Concrete Reinforced Soil Retaining Walls
8 - 1.4 Importance of a Geotechnical Report
8 - 1.5 Safety and Protection of Existing Structures
8 - 1.6 Global slip failure
8 - 1.7 Differential Settlement
8 - 1.8 Importance of Drainage
9 - 1.9 Geogrid Spacing
10 - 2 Components
10 - 2.1 Drainage System
11 - 2.2 Concrete Facing Blocks
11 - 2.3 Reinforced Infill Soil
11 - 2.4 Geogrids
11 - 2.5 Adhesive
12 - 3 Design and Analysis Considerations
12 - 3.1 Limit State Design
12 - 3.2 Partial Loading and Material Factors
12 - 3.3 Load Combinations and Factors for Stability of the Structure
13 - 3.4 Load Combinations and Factors for Strength of Components
14 - 3.5 Capacity Reduction Factors
14 - 3.6 Analysis Assumptions
14 - 3.7 Foundation Properties and Soil Model
15 - 3.8 Active Pressure
15 - 3.9 Bearing Failure
16 - 3.10 Sliding Failure
16 - 3.11 Wall Slope
16 - 3.12 Backfill Slope
16 - 3.13 Overturning
16 - 3.14 Tensile Strength of the Geogrids
16 - 3.15 Anchorage of the Geogrids Within the Soil Mass Beyond all Potential Failure Plane
16 - 3.16 Internal Sliding Resistance Within the Reinforced Soil Mass
16 - 3.17 Connection Strength of the Facing to the Geogrids
16 - 3.18 Bulging Resistance of the Facing Between the Geogrids
16 - 3.19 Facing Unit Strength
17 - 4 Design Procedure
17 - 1 Wall Details
17 - 2 Earthquake Considerations
17 - 3 Load Factors
17 - 4 Infill Soil Properties
18 - 5 Retained Soil Properties
18 - 6 Foundation Soil properties
18 - 7 Drainage Soil properties
18 - 8 Segmental Wall Units
18 - 9 Partial Factors on Geogrid Strength
18 - 10 Partial Factors on Soil/Geogrid Interaction and Geogrid Connection
18 - 11 Partial Factors on Structure Classification
19 - 12 Geogrid Properties
19 - 13 Connection Strengths
19 - 14 Unit/Geogrid Interface Shear Strength
19 - 15 External Stability
19 - 16 Horizontal Forces
19 - 17 Vertical Forces
19 - 18 Base Sliding
19 - 19 Overturning
20 - 20 Bearing
20 - 21 Internal Stability
20 - 22 Horizontal Forces
20 - 23 Tensile Strength
21 - 24 Pullout Resistance
21 - 25 Internal Sliding Resistance
21 - 26 Connection Strength
21 - 27 Bulging
22 - 5 References
23 - 6 Appendices
24 - Appendix A Site Investigation
26 - APPENDIX B Design Example Number 1
26 - 1 Wall Details
26 - 2 Earthquake Considerations
26 - 3 Load Factors
26 - 4 Infill Soil Properties
26 - 5 Retained Soil Properties
27 - 6 Foundation Soil Properties
27 - 7 Drainage Soil Properties
27 - 8 Segmental Wall Units
27 - 9 Partial Factors on Geogrid Strength
28 - 10 Partial Factors on Soil/Geogrid Interaction and Geogrid Connection
28 - 11 Partial Factors on Structure Classification
28 - 12 Geogrid Properties
28 - 13 Connection Strengths
28 - 14 Unit/Geogrid Interface Shear Strength
28 - 15 External Stability
29 - 16 Horizontal Forces
29 - 17 Vertical Forces
30 - 18 Base Sliding
30 - 19 Overturning
30 - 20 Bearing
31 - 21 Internal Stability
31 - 22 Horizontal Forces
31 - 23 Tensile Strength
32 - 24 Pullout Resistance
33 - 25 Internal Sliding Resistance
34 - 26 Connection Strength
34 - 27 Bulging
35 - APPENDIX C Design Example Number 2
35 - 1 Wall Details
35 - 2 Earthquake Considerations
35 - 3 Load Factors
35 - 4 Infill Soil Properties
35 - 5 Retained Soil Properties
36 - 6 Foundation Soil Properties
36 - 7 Drainage Soil Properties
36 - 8 Segmental Wall Units
36 - 9 Partial Factors on Geogrid Strength
37 - 10 Partial Factors on Soil/Geogrid Interaction and Geogrid Connection
37 - 11 Partial Factors on Structure Classification
37 - 12 Geogrid Properties
37 - 13 Connection Strengths
37 - 14 Unit/Geogrid Interface Shear Strength
37 - 15 External Stability
38 - 16 Horizontal Forces
38 - 17 Vertical Forces
39 - 18 Base Sliding
39 - 19 Overturning
39 - 20 Bearing
40 - 21 Internal Stability
40 - 22 Horizontal Forces
40 - 23 Tensile Strength
41 - 24 Pullout Resistance
42 - 25 Internal Sliding Resistance
43 - 26 Connection Strength
43 - 27 Bulging
44 - APPENDIX D Typical Specification