MSCR RESULTS IN OKLAHOMA KENNETH RAY HOBSON, P.E AUGUST 25, 2011 SEAUPG WEBINAR.
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Transcript of MSCR RESULTS IN OKLAHOMA KENNETH RAY HOBSON, P.E AUGUST 25, 2011 SEAUPG WEBINAR.
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MSCR RESULTS IN OKLAHOMA
KENNETH RAY HOBSON, P.E
AUGUST 25, 2011
SEAUPG WEBINAR
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SUMMARY
1. Data
2. Reporting / Rounding
3. Trends
4. Conclusions
5. Excel Macro Function
6. TA Instruments
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DATA
ER% = ASTM D 6084, 77 oF, RTFO
Temp (C) PG Source ER % R100 R3200 R diff G*/sind RTFO Jnr0.1 Jnr3.2 Jnr diff MSCR Grade
64.0 76-28 A1 95 98 98 0 2.48 0.01 0.02 3.3 PG 64-28 E
64.0 76-28 A7 92.5 94 94 0 3.94 0.03 0.03 -3.1 PG 64-28 E
64.0 76-28 A3 92.5 92 92 0 3.64 0.03 0.03 -3.8 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 3.28 0.01 0.01 -7.2 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 2.62 0.01 0.01 0.8 PG 64-28 E
64.0 76-28 A7 95 95 95 0 4.29 0.02 0.02 1.9 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 2.35 0.02 0.02 8.5 PG 64-28 E
64.0 76-28 A4 95 89 89 1 3.58 0.06 0.05 -12.1 PG 64-28 E
64.0 70-28 A4 92.5 81 81 -1 4.05 0.13 0.12 -8.8 PG 64-28 E
64.0 70-28 A5 87.5 74 72 3 3.9 0.20 0.21 6.1 PG 64-28 E
64.0 70-28 A1 95 95 95 0 2.66 0.05 0.05 -0.9 PG 64-28 E
64.0 70-28 A4 92.5 79 80 -1 4.17 0.15 0.13 -9.6 PG 64-28 E
64.0 70-28 A5 90 71 66 8 3.52 0.28 0.34 21.9 PG 64-28 E
64.0 70-28 A4 92.5 71 68 5 4.88 0.20 0.23 18.0 PG 64-28 E
64.0 70-28 A1 95 96 95 1 2.55 0.05 0.05 5.5 PG 64-28 E
64.0 70-28 A10 84 84 0 3 0.17 0.17 1.2 PG 64-28 E
64.0 64-22 A2 1 0 82 2.4 4.04 4.22 4.4
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DATA
ER% = PG 70-28 Min. 65, PG 76-28 Min. 75
Temp (C) PG Source ER % R100 R3200 R diff G*/sind RTFO Jnr0.1 Jnr3.2 Jnr diff MSCR Grade
64.0 64-22 A4 8 2 80 2.10 2.39 13.6 PG 64-22 S
64.0 64-22 A1 -3 0 113 3.28 3.27 -0.3 PG 64-22 S
64.0 64-22 A2 -2 0 108 2.51 3.81 3.86 1.5 PG 64-22 S
64.0 64-22 A7 42 23 45 3.35 1.32 1.90 43.8 PG 64-22 H
64.0 64-22 A10 0 2 -366 4.58 2.14 2.23 4.3 PG 64-22 S
64.0 70-28 A3 90 64 50 21 2.47 0.54 0.78 45.0 PG 64-28 V
64.0 76-28 A3 95 86 88 -2 2.88 0.10 0.09 -12.0 PG 64-28 E
64.0 76-28 A1 97.5 96 97 -1 2.87 0.03 0.03 -22.9 PG 64-28 E
64.0 76-28 A4 97.5 85 86 -2 2.85 0.11 0.10 -10.5 PG 64-28 E
64.0 70-28 A4 95 95 95 0 3.98 0.04 0.03 -16.6 PG 64-28 E
64.0 76-28 A7 95 94 95 -1 2.53 0.05 0.04 -15.8 PG 64-28 E
64.0 64-22 A8 -3 0 104 2.22 4.60 4.72 2.6
64.0 64-22 A9 1 1 -16 3.29 2.87 3.03 5.6 PG 64-22 S
64.0 64-22 A1 8 1 81 3.96 2.18 2.47 13.4 PG 64-22 S
64.0 64-22 A11 4 0 97 2.45 3.83 4.18 9.1
64.0 64-22 A7 45 27 40 5.36 0.83 1.18 41.8 PG 64-22 H
64.0 64-22 A2 5 0 100 2.45 3.82 4.18 9.4
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REPORTING / ROUNDING
1. Data in Excel File Reported, Not Rounded
2. Computations Used Full ValuesAASHTO TP 70-4, 8.1.3.
Percent Recovery Data in Red:
1.0
2.31.0 100
R
RRRdiff
100
1
10001
diffR
74.81
5969.0
100109.05969.0
diffR
Vs.
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REPORTING / ROUNDING
Percent Recovery Data in Red:
9.1.2. PG Grade to nearest 0.1 oC?
2
86
1008886
diffR
949.1
21.86
10089.8721.86
diffR
Shown as -1.945 by TA Instruments, -2 in spreadsheet
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REPORTING / ROUNDING
1.0
1.02.3 100
J
JJJ nrnrnrdiff
0.0
03.0
10003.003.0
nrdiffJ
9.22
0332.0
1000332.00256.0
nrdiffJ
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TRENDSTemp (C) PG Source ER % R100 R3200 R diff G*/sind RTFO Jnr0.1 Jnr3.2 Jnr diff MSCR Grade
64.0 76-28 A1 95 98 98 0 2.48 0.01 0.02 3.3 PG 64-28 E
64.0 76-28 A7 92.5 94 94 0 3.94 0.03 0.03 -3.1 PG 64-28 E
64.0 76-28 A3 92.5 92 92 0 3.64 0.03 0.03 -3.8 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 3.28 0.01 0.01 -7.2 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 2.62 0.01 0.01 0.8 PG 64-28 E
64.0 76-28 A7 95 95 95 0 4.29 0.02 0.02 1.9 PG 64-28 E
64.0 76-28 A1 97.5 98 98 0 2.35 0.02 0.02 8.5 PG 64-28 E
64.0 76-28 A4 95 89 89 1 3.58 0.06 0.05 -12.1 PG 64-28 E
64.0 76-28 A3 95 86 88 -2 2.88 0.10 0.09 -12.0 PG 64-28 E
64.0 76-28 A1 97.5 96 97 -1 2.87 0.03 0.03 -22.9 PG 64-28 E
64.0 76-28 A4 97.5 85 86 -2 2.85 0.11 0.10 -10.5 PG 64-28 E
64.0 76-28 A7 95 94 95 -1 2.53 0.05 0.04 -15.8 PG 64-28 E
PG 76-28 = PG 64-28 E
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TRENDS
PG 70-28 PG 64-28 E
Temp (C) PG Source ER % R100 R3200 R diff G*/sind RTFO Jnr0.1 Jnr3.2 Jnr diff MSCR Grade
64.0 70-28 A4 92.5 81 81 -1 4.05 0.13 0.12 -8.8 PG 64-28 E
64.0 70-28 A5 87.5 74 72 3 3.9 0.20 0.21 6.1 PG 64-28 E
64.0 70-28 A1 95 95 95 0 2.66 0.05 0.05 -0.9 PG 64-28 E
64.0 70-28 A4 92.5 79 80 -1 4.17 0.15 0.13 -9.6 PG 64-28 E
64.0 70-28 A5 90 71 66 8 3.52 0.28 0.34 21.9 PG 64-28 E
64.0 70-28 A4 92.5 71 68 5 4.88 0.20 0.23 18.0 PG 64-28 E
64.0 70-28 A1 95 96 95 1 2.55 0.05 0.05 5.5 PG 64-28 E
64.0 70-28 A10 84 84 0 3 0.17 0.17 1.2 PG 64-28 E
64.0 70-28 A3 90 64 50 21 2.47 0.54 0.78 45.0 PG 64-28 V
64.0 70-28 A4 95 95 95 0 3.98 0.04 0.03 -16.6 PG 64-28 E
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TRENDS
PG 64-22 PG 64-22 S
Temp (C) PG Source ER % R100 R3200 R diff G*/sind RTFO Jnr0.1 Jnr3.2 Jnr diff MSCR Grade
64.0 64-22 A2 1 0 82 2.4 4.04 4.22 4.4
64.0 64-22 A4 8 2 80 2.10 2.39 13.6 PG 64-22 S
64.0 64-22 A1 -3 0 113 3.28 3.27 -0.3 PG 64-22 S
64.0 64-22 A2 -2 0 108 2.51 3.81 3.86 1.5 PG 64-22 S
64.0 64-22 A7 42 23 45 3.35 1.32 1.90 43.8 PG 64-22 H
64.0 64-22 A10 0 2 -366 4.58 2.14 2.23 4.3 PG 64-22 S
64.0 64-22 A8 -3 0 104 2.22 4.60 4.72 2.6
64.0 64-22 A9 1 1 -16 3.29 2.87 3.03 5.6 PG 64-22 S
64.0 64-22 A1 8 1 81 3.96 2.18 2.47 13.4 PG 64-22 S
64.0 64-22 A11 4 0 97 2.45 3.83 4.18 9.1
64.0 64-22 A7 45 27 40 5.36 0.83 1.18 41.8 PG 64-22 H
64.0 64-22 A2 5 0 100 2.45 3.82 4.18 9.4
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TRENDS
1. Most PG 70-28’s and All PG 76-28’s Grade as PG 64-28 E
2. Jnr3.2 > 4.0 kPa-1 (4 of 12 PG 64-22)
• Not PG 64-22 S
3. Jnr3.2 < 0.0 kPa-1 (8 of 12 PG 76-28)
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CONCLUSIONS
1. R3.2 Limit Needed for: PG 70-28 and PG 76-28 - (60 Min. and 80 Min.?)
2. Other PG Grade Data Needed for R3.2 Limits
3. Do Not Round Computations Except for Limit Comparisons
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EXCEL MACRO FUNCTIONFunction MSCRGrade(PG As String, TestTemp As Double, Jnr32 As Double, JnrDiff As Double) As String Dim iTestTemp As Double, iJnr32 As Double, iJnrDiff As Double Dim sColdTemp As String, suffix As String Application.Volatile iTestTemp = Round(TestTemp) sColdTemp = Split(PG, "-")(1) iJnr32 = WorksheetFunction.Round(Jnr32, 2) iJnrDiff = WorksheetFunction.Round(JnrDiff, 1) Select Case (True) Case iJnr32 < 0.5 And iJnrDiff <= 75: suffix = "E" Case iJnr32 <= 1 And iJnrDiff <= 75: suffix = "V" Case iJnr32 <= 2 And iJnrDiff <= 75: suffix = "H" Case iJnr32 <= 4 And iJnrDiff <= 75: suffix = "S" Case Else suffix = "NA" End Select If suffix = "NA" Then MSCRGrade = "" Else MSCRGrade = "PG " & iTestTemp & "-" & sColdTemp & " " & suffix End IfEnd Function
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