- AASHTO Three Centered Curve Symmetrical (English) - Exhibit 9-20 - 2001 -
Deflection:	0<def<=30   
--------------------------------------------------------
**P**       ---      ---       ---      ---
**SU*       ---      ---       ---      ---
WB-40       ---      ---       ---      ---
WB-50       ---      ---       ---      ---
WB-62       ---      ---       ---      ---
WB-67       460      175       460     4.0

Deflection:	30<def<=45   
--------------------------------------------------------
**P**       ---      ---       ---      ---
**SU*       ---      ---       ---      ---
WB-40       ---      ---       ---      ---
WB-50       200      100       200      3.0
WB-62       460      240       460      2.0
WB-67       460      175       460      4.0

Deflection:	45<def<=60   
--------------------------------------------------------
**P**       ---      ---       ---      ---
**SU*       ---      ---       ---      ---
WB-40       ---      ---       ---      ---
WB-50       200       75       200      5.5
WB-62       400      100       400     15.0
WB-67       400      100       400      8.0

Deflection:	60<def<=75
-----------------------------------------------------------
**P**       100       25       100      2.0
**SU*       120       45       120      2.0
WB-40       120       45       120      5.0
WB-50       150       50       150      6.5
WB-62       440       75       440     15.0
WB-67       420       75       420     10.0

Deflection:	75<def<=90
-----------------------------------------------------------
**P**       100       20       100      2.5
**SU*       120       40       120      2.0
WB-40       120       40       120      5.0
WB-50       180       60       180      6.5
WB-62       400       70       400     10.0
WB-67       440       65       440     10.0

Deflection:	90<def<=105
-----------------------------------------------------------
**P**       100       20       100      2.5
**SU*       100       35       100      3.0
WB-40       100       35       100      5.0
WB-50       180       45       180      8.0
WB-62       520       50       520     15.0
WB-67       500       50       500     13.0

Deflection:	105<def<=120
-----------------------------------------------------------
**P**       100       20       100      2.0
**SU*       100       30       100      3.0
WB-40       120       30       120      6.0
WB-50       180       40       180      8.5
WB-62       520       70       520     10.0
WB-67       550       45       550     15.0

Deflection:	120<def<=135
-----------------------------------------------------------
**P**       100       20       100      1.5
**SU*       100       30       100      4.0
WB-40       120       30       120      6.5
WB-50       160       35       160      9.0
WB-62       600       60       600     12.0
WB-67       550       45       550     16.0

Deflection:	135<def<=150
-----------------------------------------------------------
**P**        75       20        75      2.0
**SU*       100       30       100      4.0
WB-40       100       30       100      6.0
WB-50       160       35       160      7.0
WB-62       480       55       480     15.0
WB-67       550       45       550     19.0

Deflection:	150<def<=180
-----------------------------------------------------------
**P**        50       15        50      0.5
**SU*       100       30       100      1.5
WB-40       100       20       100      9.5
WB-50       130       25       130      9.5
WB-62       800       45       800     20.0
WB-67       600       45       600     20.5
-----------------------------------------------------------