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Publication Number: FHWA-HRT-06-132
Date: December 2006

Long-Term Pavement Performance Program Manual for Falling Weight Deflectometer Measurements

Appendix A: Diagramsof Fwd Test Plans

This appendix contains the 11 diagrams of the FWD test plans.

Figure 3. Diagram. Test plan 1.

Test locations consistent with Test Plan 1 are shown on a plan view of a typical flexible LTPP test section. The test section extends from station 0+000 to station 0+152.4. Test points labeled F1 are along a line drawn across the mid-lane open parenthesis 1.8 meters offset from lane edge close parenthesis at a 7.6-meter interval, starting at station 0+000. Test points labeled F3 are along a line drawn across the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis at a 7.6-meter interval starting at station 0+000. A single test point labeled F0 is located in the outer wheel path at station 0-015.2. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 0 and Pass 3 points along the outer wheel path.
NOTES: 
 
  1. FWD tests to be conducted at test pit locations (TP) on P0 (First set of tests).
  2. See Table A-1 for further details.
  3. Lateral offsets shown represent nominal distances.
1 m = 3.28 ft
 

Figure 4. Diagram. Test plan 2.

Test locations consistent with Test Plan 2 are shown on a plan view of a typical JCP LTPP test section. The test section extends from station 0+000 to station 0+152.4. A single slab is drawn within the section. Test point J1 is shown in the center of that slab, along the mid lane (1.8 meters offset from lane edge). Test point J4 is shown on the approach slab, tangent to the leave joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test point J5 is shown on the slab, tangent to the approach joint, along the outer wheel path. Test point J2 is shown on the slab, tangent to the approach joint, along the pavement edge open parenthesis 0.15 meter offset from lane edge close parenthesis. Test point J3 is shown in the center of the slab along the pavement edge. Test point J0 is shown at station 0-015.2 along the outer wheel path. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 0 and Pass 3 points along the outer wheel path. An arrow indicating the location of Pass 2 points along the pavement edge.
NOTES: 
 
  1. FWD tests (J0) conducted at test pit locations (TP) on P0 (First set of tests). Stationing will vary to locate TP at midpanel.
  2. Number of panels and panel length (X) will vary depending upon specific joint spacing, transverse crack pattern and pavement type. Operator should refer to test and Table 1 for further details. A maximum of 20 effective slabs (panels) should be tested.
  3. Lateral offsets shown represent nominal distances.
1 m = 3.28 ft
 

Figure 5. Diagram. Test plan 3.

Test locations consistent with Test Plan 3 are shown on a plan view of a typical CRCP LTPP test section. The test section extends from station 0+000 to station 0+152.4. Two slabs are drawn within the section. An arrow indicates that these slabs are approximately 7.6 meters apart. Test points C1 are shown in the center of both slabs, along the mid lane open parenthesis 1.8 meters offset from lane edge close parenthesis. Test points C4 are shown on the approach slabs, tangent to the joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test points C5 are shown on both slabs, tangent to the joint, along the outer wheel path. Test point C2 are shown on the slab, centered on the approach joint, along the pavement edge open parenthesis 0.15 meter offset from lane edge close parenthesis. Test points C3 are shown in the center of the slab along the pavement edge. Test point J0 is shown at station 0-015.2 along the outer wheel path. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 0 and Pass 3 points along the outer wheel path. An arrow indicating the location of Pass 2 points along the pavement edge.
NOTES: 
  1. FWD tests conducted at test pit locations (TP) on P0 (First set of tests).
  2. See Table 1 for further details.
  3. Lateral offsets shown represent nominal distances.
1 m = 3.28 ft
 

Figure 6. Diagram. Test plan 4.

Test locations consistent with Test Plan 4 are shown on a plan view of a typical flexible LTPP test section. The test section extends from station 0+000 to station 0+152.4. Test points labeled F1 are along a line drawn across the mid-lane open parenthesis 1.8 meters offset from lane edge close parenthesis at a 15.2-meter interval, starting at station 0+000. Test points labeled F3 are along a line drawn across the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis at a 15.2-meter interval starting at station 0+000.  An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the locations of Pass 3 points along the outer wheel path.
1 m = 3.28 ft
 

Figure 7. Diagram. Test plan 5.

Test locations consistent with Test Plan 5 are shown on a plan view of a typical JCP LTPP test section. The test section extends from station 0+000 to station 0+152.4. A single slab is drawn within the section. Test point J1 is shown in the center of that slab, along the mid lane open parenthesis 1.8 meters offset from lane edge close parenthesis. Test point J4 is shown on the approach slab, tangent to the leave joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test point J5 is shown on the slab, tangent to the approach joint, along the outer wheel path. Test point J2 is shown on the slab, tangent to the approach joint, along the pavement edge open parenthesis 0.15 meter offset from lane edge close parenthesis. Test point J3 is shown in the center of the slab along the pavement edge. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 3 points along the outer wheel path. An arrow indicating the location of Pass 2 points along the pavement edge.
NOTES: 
  1. Five test points per panel done in three passes.
  2. Ten panels should be tested on all sections.
1 m = 3.28 ft
 

Figure 8. Diagram. Test plan 6.

Test locations consistent with Test Plan 6 are shown on a plan view of a typical CRCP LTPP test section. The test section extends from station 0+000 to station 0+152.4. Two slabs are drawn within the section. An arrow indicates that these slabs are approximately 15.2 meters apart. Test points C1 are shown in the center of both slabs, along the mid lane open parenthesis 1.8 meters offset from lane edge close parenthesis. Test points C4 are shown on the approach slabs, tangent to the joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test points C5 are shown on both slabs, tangent to the joint, along the outer wheel path. Test point C2 are shown on the slab, centered on the approach joint, along the pavement edge open parenthesis 0.15 meter offset from lane edge close parenthesis. Test points C3 are shown in the center of the slab along the pavement edge. Test point J0 is shown at station 0-015.2 along the outer wheel path. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 0 and Pass 3 points along the outer wheel path. An arrow indicating the location of Pass 2 points along the pavement edge.
1 m = 3.28 ft
 

Figure 9. Diagram. Test plan 7.

Test locations consistent with Test Plan 7 are shown on a plan view of a typical JCP LTPP test section with a widened lane edge. The test section extends from station 0+000 to station 0+152.4. A single slab is drawn within the section. Test point J1 is shown in the center of that slab, along the mid lane open parenthesis 1.8 meters offset from lane edge close parenthesis. Test point J4 is shown on the approach slab, tangent to the leave joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test point J5 is shown on the slab, tangent to the approach joint, along the outer wheel path. Test point J2 is shown on the slab, tangent to the approach joint, along the lane edge open parenthesis 0.15 meter offset from lane edge close parenthesis. Test point J3 is shown in the center of the slab along the lane edge. Test point J7 is shown on the slab, tangent to the approach joint, along the pavement edge open parenthesis 0.15 meter offset from pavement edge close parenthesis. Test point J8 is shown in the center of the slab along the pavement edge. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the location of Pass 2 points along the lane edge. An arrow indicating the location of Pass 3 points along the outer wheel path. An arrow indicating the location of Pass 4 points along the pavement edge.
NOTES:
  1. Ten panels should be tested on all sections.
  2. Seven test points per panel done in four passes.
  3. Lane specifications J7 and J8 are on shoulder.
  4. Lateral offsets shown represent nominal distances.
1 m = 3.28 ft
 

Figure 10. Diagram. Test plan 8.

Test locations consistent with Test Plan 8 are shown on a plan view of a typical flexible LTPP test section. The test section extends from station 0+000 to station 0+152.4. Test points labeled F1 are along a line drawn across the mid-lane open parenthesis 1.8 meters offset from lane edge close parenthesis at a 30.5-meter interval, starting at station 0+000. Test points labeled F3 are along a line drawn across the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis at a 30.5-meter interval starting at station 0+000.  An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the locations of Pass 3 points along the outer wheel path.
1 m = 3.28 ft
 

Figure 11. Diagram. Test plan 9.

Test locations consistent with Test Plan 9 are shown on a plan view of a typical JCP LTPP test section. The test section extends from station 0+000 to station 0+152.4. . Test point J4 is shown on the approach slab, tangent to the leave joint, along the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis. Test point J5 is shown on the slab, tangent to the approach joint, along the outer wheel path. Test point J6 is shown in the center of the slab along the pavement edge. An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 3 points along the outer wheel path.
NOTES:
  1. Panel Length "X" will be variable depending upon specific joint spacing, transverse crack pattern and pavement type.
  2. Test all panels on under seal sections and every third panel on remaining sections.
  3. Lateral Offsets shown represent Nominal Distances.
1 m = 3.28 ft
 

Figure 12. Diagram. Test plan 10.

Test locations consistent with Test Plan 10 are shown on a plan view of a typical flexible-surface LTPP test section. The test section extends from station 0+000 to station 0+152.4. Test points labeled F1 are along a line drawn across the mid-lane open parenthesis 1.8 meters offset from lane edge close parenthesis at a variable interval, starting at station 0+000. Test points labeled F3 are along a line drawn across the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis at a variable interval starting at station 0+000.  An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the locations of Pass 3 points along the outer wheel path.
1 m = 3.28 ft
 

Figure 13. Diagram. Test plan 11.

Test locations consistent with Test Plan 10 are shown on a plan view of a typical flexible-surface LTPP test section. The test section extends from station 0+000 to station 0+152.4. Test points labeled F1 are along a line drawn across the mid-lane open parenthesis 1.8 meters offset from lane edge close parenthesis at a variable interval, starting at station 0+000. Test points labeled F3 are along a line drawn across the outer wheel path open parenthesis 0.76 meter offset from lane edge close parenthesis at a variable interval starting at station 0+000.  An arrow pointing to the right shows the direction of travel. An arrow indicating the location of Pass 1 points along the mid lane. An arrow indicating the locations of Pass 3 points along the outer wheel path.
1 m = 3.28 ft

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The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT).
The Federal Highway Administration (FHWA) is a part of the U.S. Department of Transportation and is headquartered in Washington, D.C., with field offices across the United States. is a major agency of the U.S. Department of Transportation (DOT). Provide leadership and technology for the delivery of long life pavements that meet our customers needs and are safe, cost effective, and can be effectively maintained. Federal Highway Administration's (FHWA) R&T Web site portal, which provides access to or information about the Agency’s R&T program, projects, partnerships, publications, and results.
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