U.S. Department of Transportation
Federal Highway Administration
1200 New Jersey Avenue, SE
Washington, DC 20590
202-366-4000
Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations
This report is an archived publication and may contain dated technical, contact, and link information |
|
Publication Number: FHWA-HRT-08-056 Date: November 2008 |
RSC: | |||
Date: | |||
Distance from Ground to Sensor Glass (mm): | Left: | Center | Right |
Left Sensor | |||||||||
Position | Values Shown on Monitor for Dif Ht(Note 1) | Avg. of Heights (mm) | Actual Block Height (Note 2) (mm) | Actual Minus Average (mm) | Std Dev. of Heights (mm) (Note 3) | ||||
Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | |||||
Base Plate + 25 mm Block + Calibration Plate | |||||||||
Base Plate + 50 mm Block + Calibration Plate | |||||||||
Base Plate + 75 mm Block + Calibration Plate | |||||||||
Base Plate + 100 mm Block + Calibration Plate |
Center Sensor | |||||||||
Position | Values Shown on Monitor for Dif Ht (Note 1) | Avg. of Heights (mm) | Actual Block Height (Note 2) (mm) |
Actual Minus Average (mm) | Standard Dev. of Heights (mm) (Note 3) | ||||
Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | |||||
Base Plate + 25 mm Block + Calibration Plate | |||||||||
Base Plate + 50 mm Block + Calibration Plate | |||||||||
Base Plate + 75 mm Block + Calibration Plate | |||||||||
Base Plate + 100 mm Block + Calibration Plate |
Right Sensor | ||||||||||
Position | Values Shown on Monitor for Dif Ht (Note 1) | Avg. of Heights (mm) | Actual Block Height (Note 2) (mm) | Actual Minus Average (mm) | Standard Dev. of Heights (mm) (Note 3) | |||||
Test 1 | Test 2 | Test 3 | Test 4 | Test 5 | ||||||
Base Plate + 25 mm Block + Calibration Plate | ||||||||||
Base Plate + 50 mm Block + Calibration Plate | ||||||||||
Base Plate + 75 mm Block + Calibration Plate | ||||||||||
Base Plate + 100 mm Block + Calibration Plate |
Note 1: Do Test 1 for each block position. Then repeat procedure for other tests. Let computer take 500 readings before recording value.
Note 2: Record actual height of block stamped on block in this column
Note 3: Calculate standard deviation using the STDEV function in Excel
RSC: | |
Date: | |
Left Rear Tire Pressure Prior to Test (psi): | _________ |
Right Rear Tire Pressure Prior to Test (psi): | _________ |
Left Rear Tire Pressure After Last Run (psi): | _________ |
Right Rear Tire Pressure After Last Run (psi): | _________ |
Note: Calibrate DMI before performing DMI Measurements.
Run Number | Air Temp. (°C) | Distance (m) See Note 1 |
1 | ||
2 | ||
3 | ||
4 | ||
5 | ||
6 | ||
Average | ||
Std Dev |
Note 1: Record values shown for "Distance old DCF"
Note 2: Use the STDEV function in Excel to calculate Std. Deviation
RSC: | |
Date: | |
Left Rear Tire Pressure Prior to Test (psi): | ______ |
Right Rear Tire Pressure Prior to Test (psi): | ______ |
Left Rear Tire Pressure After Last Run (psi): | ______ |
Right Rear Tire Pressure After Last Run (psi): | ______ |
Note: Do Not Calibrate DMI Before Performing Measurements.
Run Number | Air Temp. (°C) | Distance (m) See Note 1 |
1 | ||
2 | ||
3 | ||
4 | ||
5 | ||
6 | ||
Average | ||
Std Dev |
Note 1: Record values shown for "Distance old DCF"
Note 2: Use the STDEV function in Excel to calculate Std. Deviation
Left Wheel Path | ||||||||
Site Number | Site Description | Left Wheel Path IRI (m/km) Run Number | Average IRI (m/km) | Standard Deviation (m/km) (Note 1) | ||||
1 | 2 | 3 | 4 | 5 | ||||
1 | Smooth AC | |||||||
2 | Rough AC | |||||||
3 | Smooth PCC | |||||||
4 | Rough PCC | |||||||
5 | Chip Seal |
Right Wheel Path | ||||||||
Site Number | Site Description | Right Wheel Path IRI (m/km) Run Number | Average IRI (m/km) | Standard Deviation (m/km) (Note 1) | ||||
1 | 2 | 3 | 4 | 5 | ||||
1 | Smooth AC | |||||||
2 | Rough AC | |||||||
3 | Smooth PCC | |||||||
4 | Rough PCC | |||||||
5 | Chip Seal |
Note 1: Use the STDEV function in Excel to calculate Std. Deviation
<< Previous | Contents | Next >> |