Table Of Contents - Geokon 4800 Series Instruction Manual

TABLE OF CONTENTS

1. INTRODUCTION
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1.1 THEORY OF OPERATION
1.2 EARTH PRESSURE CELL DESIGN
1.3 EARTH PRESSURE CELL CONSTRUCTION
1.3.1 MODEL 4800 EARTH PRESSURE CELLS
1.3.2 MODEL 4810 CONTACT ("FAT BACK") PRESSURE CELL
1.3.3 MODEL 4815 HYDRAULIC LOAD CELL
1.3.4 MODEL 4820 EARTH PRESSURE "JACKOUT" CELL
1.3.5 MODEL 4830 PUSH-IN PRESSURE CELL
2. INSTALLATION
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2.1 PRELIMINARY TESTS
2.2 PRESSURE CELL INSTALLATION
2.2.1 INSIDE FILLS AND EMBANKMENTS
2.2.2 INSTALLATION OF MODEL 4810 CONTACT ("FAT BACK") PRESSURE CELL
2.2.3 INSTALLATION OF MODEL 4815 HYDRAULIC LOAD CELL
2.2.4 INSTALLATION OF MODEL 4820 JACKOUT PRESSURE CELL IN SLURRY
TRENCHES
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2.2.5 INSTALLATION OF CELLS TO MEASURE EARTH PRESSURE AT THE BASE
OF FOOTINGS, FLOOR SLABS, PAVEMENTS, ETC.
2.2.6 INSTALLATION OF PUSH-IN PRESSURE CELLS TO MEASURE LATERAL
EARTH PRESSURES
2.3 CABLE INSTALLATION AND SPLICING
2.4 ELECTRICAL NOISE
2.5 INITIAL READINGS
3. TAKING READINGS
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3.1 OPERATING THE GK-404
3.2 GK-405 VIBRATING WIRE READOUT
3.2.1 CONNECTING SENSORS WITH 10-PIN BULKHEAD CONNECTORS
ATTACHED
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3.2.2 CONNECTING SENSORS WITH BARE LEADS
3.2.3 OPERATING THE GK-405
3.3 MEASURING TEMPERATURES
4. DATA REDUCTION
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4.1 PRESSURE CALCULATION
4.2 TEMPERATURE CORRECTION
4.3 BAROMETRIC CORRECTION
5. TROUBLESHOOTING
APPENDIX A. SPECIFICATIONS
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