Asset Management
Pavement Deflection Measurement with a Falling Weight Deflectometer (FWD)
- Publication no: AGAM-T006-11
- Published: 31 March 2011
- PDF (free) Download
This test method defines the procedure for measuring the deflection response of road pavements using a Falling Weight Deflectometer (FWD).
- 1. Scope
- 2. Referenced Documents
- 3. Definitions
- 4. Equipment
- 4.1. Minimum Equipment Specification
- 4.2. Automatic Data Quality Checks
- 4.3. Manual Data Quality Checks
- 5. Calibration and Validation
- 5.1. Calibration Scheme
- 5.2. Reference Calibration
- 5.3. Relative Calibration
- 5.4. Deflection Sensor Monitoring and Replacement
- 5.5. System Validation
- 6. Procedure
- 6.1. FWD Set-up
- 6.2. Deflection Survey
- 6.3. Factors Affecting the Test
- 7. Calculations
- 8. Reporting
- 8.1. Data
- 8.2. Data Precision
- 8.3. Filtering of Deflection Sensor Readings
- Commentary
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