Table of Contents

• Introduction
  • Background
  • Objectives
• Literature Review
  • Full-Scale Tests
    • Brown
    • Roosevelt Bridge
    • Rollins
  • Model Tests
    • Background
    • McVay
    • Rao
• Physical Model
  • Similitude
    • Analysis
    • Selection
  • Soil Test Vessel
    • Soil Container
    • Soil Placement and Consolidation
    • Soil Characteristics
    • Pretesting Modifications
  • Model Pile Construction
    • Background
    • Pile Preparation
    • Strain Gage Preparation
    • Strain Gage Mounting
    • Construction Completion Procedures
  • Instrumentation
    • Thermal Drift Compensation
    • Load Rod
    • Load Cells
    • Linear Variable Differential Transformers
• Data Acquisition System
  • Background
    • Phase 1 System
    • System Origin
  • System Design
    • Requirements
    • Input Board Design and Function
    • Analog-to-Digital Conversion
  • System Construction
    • Input Board Assembly
    • Interface Bus Assembly
    • Box Construction
• Calibration
  • Calibration of the Model Piles
    • Background
    • Equipment
    • Input Board Connections
    • Calibration Setup and Procedure
    • Data Reduction and Analysis
  • Calibration of the Load Rod and Load Cells
    • Instrument Description
    • Input Board Connections
    • Calibration Apparatus, Setup, and Procedure
    • Data Reduction and Results
  • Calibration of the LVDTs
    • Equipment
    • Input Board Connections
    • Calibration Apparatus, Setup, and Procedure
    • Data Reduction and Results
• Physical Model Testing
  • Loading System
    • Background
    • Mount Design and Construction
    • Pressure System Design and Construction
    • Pressure System Testing
    • By-pass Cable Design
    • Loading System Control
  • Pile Installation
    • Preliminary Work
    • Pile Spacing Template
    • Pile Group Alignment
    • Pile Insertion
  • Testing
    • Hydraulic Cylinder Alignment
    • By-pass Cable Hookup
    • LVDT Mounting
    • Data Acquisition System Setup
    • Testing Procedure
    • Recalibration
• Results
  • Measured
    • Data Reduction
    • Load Distribution
    • Pile Group Moment Distribution
    • Individual Pile Moment Distribution
    • Load versus Deflection
  • Predicted
    • Background
    • Comparison
• Summary and Conclusions
  • Discussion
  • Conclusions
• References
• Appendix A: Soil Properties*
• Appendix B: Test Results*
• Appendix C: Strain Gage Calibration*
• Appendix D: LabVIEW Testing Software Code*

*available upon request

Cyclic Lateral Loading of a Model Pile Group in Clay Soil: Phase 2A

Joseph A. Caliendo
Loren R. Anderson
Mark A. Rawlings

Utah State University
Department of Civil and Environmental Engineering

February 1999

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