Geotechnical Instrumentation for Monitoring Field Performance

Geotechnical Instrumentation: An Overview Behavior of Soil and Rock Planning Monitoring Programs Benefits of Using Geotechnical Instrumentation Systematic Approach to Planning Monitoring Programs Using Geotechnical Instrumentation Specifications for Procurement of Instruments Contractual Arrangements for Field Instrumentation Services Monitoring Methods Measurement Uncertainty Instrumentation Transducers and Data Acquisition Measurement of Groundwater Pressure Measurement of Total Stress in Soil Measurement of Stress Change in Rock Measurement of Deformation Measurement of Load and Strain in Structural Members Measurement of Temperature General Guidelines on the Execution on Monitoring Programs A Recipe for Reliability of Performance Monitoring Calibration and Maintenance of Instruments Installation of Instruments Collection, Processing Presentation, Interpretation, and Reporting of Instrumentation Data Examples of Instrumentation Applications Braced Excavations Embankments on Soft Ground Embankment Dams Excavated and Natural Slopes Underground Excavations Driven Piles Drilled Shafts The key to Success The Key to Success: The Chain with 25 Links Appendix Checklist for Planning Steps Checklist for Content of Specifications for Procurement of Instruments Checklist for Content of Specifications for Field Instrumentation Services Commercially Available Geotechnical Instruments Details of Twin Tube Hydraulic Piezometer System Dimensions of Drill Rods, Flush Joint Casing Diamond Coring Bits, Hollow Stem Augers, and U S Pipe Example of Installation Procedure, with Materials and Equipment List Conversion Factors