1 – INTRODUCTION
1.1 Background 1.2 Objectives 1.3 Scope 1.4 Approach
2 – FOUNDATION ENGINEERING
PROJECT
2.1 Background 2.2 Objectives 2.3 Scope 2.4 Project Description 2.5 Structural Consequences of Foundation
Movements
2.5.1 Preliminary Studies
2.5.2 FHWA Tolerable
Movement Study
2.5.3 Publications and Implementation
Items 2.6 Pile Foundations
2.6.1 Areas of
Emphasis
2.6.2 Single Piles in Clay
2.6.3 Single Piles in
Sand
2.6.4 Allowable Stresses in Piles
2.6.5 Performance of Pile Driving
Systems
2.6.6 Pile Wave Equation Technology
2.6.6.1 Pile
Capacity Prediction
2.6.6.2 Simplified Capacity Predictions
2.6.7 Micropiles
2.6.7.1 State-of-the-Practice Review
2.6.7.2 Seismic
Behavior of Micropiles
2.6.8 Publications and Implementation
Items 2.7 Pile Groups
2.7.1 Pile Groups in Clay
2.7.2 Pile Groups in
Sand
2.7.3 Predictive Model for Pile Group Design and
Analysis (PILGP1)
2.7.4 In-Service Monitoring of Pile
Groups
2.7.5 Model Testing
2.7.6 Centrifuge Model
Testing
2.7.7 Lateral Loads on Pile Groups
2.7.8 Publications and Implementation
Items 2.8 Drilled Shafts
2.8.1 Nondestructive
Evaluation (NDE) of Drilled Shafts
2.8.2 Drilled Shafts in
Intermediate Geomaterials
2.8.3 Free Fall of Concrete in Drilled
Shafts
2.8.4 Load and Resistance Factor Design of Drilled
Shafts
2.8.5 Publications and Implementation
Items 2.9 Spread Footings
2.9.1 Performance
Evaluation Studies
2.9.2 FHWA Staff Research on Spread
Footings
2.9.3 Dynamic Testing of Footings
2.9.4 Publications and Implementation
Items 2.10 Foundation Load Testing
2.10.1 Statnamic Load
Testing
2.10.2 Osterberg Cell Load Testing
2.10.3 Dynamic
Drop Weight Load Testing
3 – GROUND IMPROVEMENT
PROJECT
3.1 Background 3.2 Objectives 3.3 Scope 3.4 Project Description 3.5 Soil Reinforcement
3.5.1 NCHRP Benchmark
Study
3.5.2 Reinforced Soil Structures
3.5.3 Reinforced
Soil Foundations (RSF)
3.5.4 Geosynthetic Reinforced Soil
Structures
3.5.4.1 Full-Scale Pier Project
3.5.4.2 Model
Studies
3.5.5 Corrosion and Durability
3.5.6 Permanent Ground
Anchors
3.5.7 Soil Nailing 3.6 Soil Treatment
3.6.1 Stone
Columns
3.6.2 Dynamic Compaction
3.6.3 Prefabricated
Vertical Drains 3.7 Publications and Implementation Items
4 – SOIL AND ROCK BEHAVIOR
PROJECT
4.1 Background 4.2 Objectives 4.3 Scope 4.4 Project Description 4.5 Expansive Clays and Shales 4.6 Soil Compaction
4.6.1 FHWA Compaction
Aids Research
4.6.2 Soil Stiffness
Gauge 4.7 Soil Stabilization
4.7.1 Soil Stabilization
Manual
4.7.2 Lime Stabilization
Research 4.8 Frost Heave and Thaw Weakening Damage
4.8.1 Differential
Heaving
4.8.2 Thaw Weakening
4.8.3 Coordinated
Research Efforts 4.9 Performance of Problem Ground Materials
4.9.1 Shale
Embankment Research
4.9.2 Rockfall Hazard
Mitigation 4.10 Publications and Implementation Items
5 – GEOTECHNICAL STAND-ALONE
STUDIES
5.1 Background 5.2 Automated Geotechnical Information and Design
System
5.2.1 Deep Foundations Load Test Data
Base
5.2.2 Shallow Foundations Data Base
5.2.3 Ground
Improvement Data Base
5.2.4 Supplemental Data
Bases 5.3 National Geotechnical Experimentation Sites
(NGES) 5.4 Evaluation and Improvement of Bridge
Foundations
5.4.1 FHWA Research Study
5.4.2 Unknown Bridge
Foundations 5.5 Geotechnical Risk and
Reliability 5.6 In-Situ Soil Testing
5.6.1 Stepped Bladed
Vane
5.6.2 Simplified Torsional Cylindrical Impulse
Shear Test
5.6.3 Controlled Source Spectral Analysis of
Surface Waves (CSSASW)
5.6.4 Multiple Deployment Model
Pile 5.7 Seismic Design of Highway Bridge Foundations
6 – ASSOCIATED GEOTECHNICAL RESEARCH AND
TECHNOLOGY PROGRAMS
6.1 National Highway Institute
(NHI) 6.2 FHWA Office of International
Programs 6.3 Transportation Research Board
(TRB) 6.4 National Cooperative Highway Research Program
(NCHRP) 6.5 American Association of State Highway and Transportation
Officials
(AASHTO) 6.6 The Highway Innovative Technology Evaluation Center
(HITEC) 6.7 Electric Power Research Institute (EPRI)
7 – TECHNOLOGY TRANSFER
7.1 Demonstration Projects Program 7.2 Problems 7.3 Solutions 7.4 Observations 7.5 Examples of Success
7.5.1 Foundations
7.5.2 Retaining
Walls 7.6 More Examples of Success
8 – CONCLUSIONS
APPENDIX A – FUTURE GEOTECHNOLOGY RESEARCH
PROGRAM
APPENDIX B – TUNNELING GEOTECHNOLOGY
APPENDIX C – GEOTECHNICAL FACILITIES AT TFHRC
APPENDIX D – PROGRAM
AWARDS
REFERENCES
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