Скачать презентацию Implementation of Darwin ME Chris Wagner PE Скачать презентацию Implementation of Darwin ME Chris Wagner PE

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Implementation of Darwin – ME Chris Wagner, PE July 26 -29, 2010 Kansas City, Implementation of Darwin – ME Chris Wagner, PE July 26 -29, 2010 Kansas City, MO

Does SHA Use or Plan to Use MEPDG? N 0 -12 YES - 40 Does SHA Use or Plan to Use MEPDG? N 0 -12 YES - 40 Alaska 2007 Survey Hawaii

Where are we now? Where are we now?

• • State implementation activities Validation Activities Status of DARWin ME Planned Activites • • State implementation activities Validation Activities Status of DARWin ME Planned Activites for DARWin ME

Software Capabilities-Import Raw Data Climate: icm files Traffic: AHTD Traffic Monitoring Data 5 Software Capabilities-Import Raw Data Climate: icm files Traffic: AHTD Traffic Monitoring Data 5

Software Capabilities-Traffic Data Check 6 Software Capabilities-Traffic Data Check 6

Software Capabilities-Materials E* 7 Software Capabilities-Materials E* 7

Software Capabilities- Retrieving Data Very similar tools will be included in DARWin ME 8 Software Capabilities- Retrieving Data Very similar tools will be included in DARWin ME 8

Indiana DOT HMA Materials Characterization Dynamic Modulus • District - 6 • Nom Max Indiana DOT HMA Materials Characterization Dynamic Modulus • District - 6 • Nom Max Aggregate Size - 3 • Binder Type – 3 • Binder Characterization • 3 Binders DSR data • Traffic Data • WIM Station Data Analyzed • Load Spectra defined by Volume

What to Change for Design? Sensitivity of Inputs for Concrete Roughness Faulting Percent Slabs What to Change for Design? Sensitivity of Inputs for Concrete Roughness Faulting Percent Slabs Cracked Permanent Curl/Warp Effective Temperature Difference VS VS VS Joint Spacing VS VS VS Dowel Bar Diameter MS MS NS Pavement Thickness S MS VS Modulus of Rupture S NS VS Modulus of Elasticity S NS VS 20 -year/28 -day Ratio S NS VS Parameter Indiana DOT: MEPDG Guide for Designers

Good Calibration and Implementation Document Montana DOT http: //www. mdt. mt. gov/research/projects/pave_model. shtml Major Good Calibration and Implementation Document Montana DOT http: //www. mdt. mt. gov/research/projects/pave_model. shtml Major Findings: • Preservation Practice Extend Performance • Most models adequate for design • Re-calibrate unbound materials rutting

Continued MEPDG Validation at Auburn University Continued MEPDG Validation at Auburn University

S 11– As Built – Fatigue Cracking at Auburn University S 11– As Built – Fatigue Cracking at Auburn University

Continued Validation at Auburn University Continued Validation at Auburn University

What about Polymers? What about Polymers?

Looking at Strains Directly at Auburn University Strain Response Looking at Strains Directly at Auburn University Strain Response

at Auburn University Darwin-ME output at Auburn University Darwin-ME output

DARWin ME Sneak Peek DARWin ME Sneak Peek

DARWin ME — Improvements Redesign GUI using. NET 3. 5 framework in C# • DARWin ME — Improvements Redesign GUI using. NET 3. 5 framework in C# • User configurable screens • Agency defined data libraries • Input control at the central office • Expansion capabilities for new analysis engines • Improved display on large or multiple monitors • Improved error handling stability and error display • Multiple project editing • Handicap accessibility options • Improved reporting (stability, speed and quality) • Utilities for importing previous version files, third party data • Multiple language extensibility

Enterprise Software Enterprise Software

Material Property Inputs Material Property Inputs

Traffic Traffic

Error Checking Error Checking

Multiple Project Edit Multiple Project Edit

Batch Mode Batch Mode

XML File Formats XML File Formats

Integrated Reports Integrated Reports

DARWin ME Development Status Percent Complete, Milestones Date of Completion Kick-Off 100% User Requirements DARWin ME Development Status Percent Complete, Milestones Date of Completion Kick-Off 100% User Requirements Spec & Review/Approval 100% Preliminary Design Review 100% System Requirement Spec & Review/Approval 100% Requirements Tracebility Matrix 100% Critical Design Review 100% Implementation & Integration Process Audit 40%, 7/31/10 Test Readiness Review 80%, 6/15/10 Testing Process Audit 0%, 9/30/10 Software Alpha Test 0%, 8/15/10 Software Beta Test 0%, 10/15/10 Acceptance Test 0%, 11/30/10 Release 0%, 12/31/10

DARWin ME planned activities • • • Unveiling Session at 2011 TRB Roll out DARWin ME planned activities • • • Unveiling Session at 2011 TRB Roll out webinar FHWA web training 2011 FHWA On-site training Traffic Workshops

Indiana DOT Experience Road AASHTO 93 Thickness Result MEPDG Thickness Result Estimated Contract Saving Indiana DOT Experience Road AASHTO 93 Thickness Result MEPDG Thickness Result Estimated Contract Saving ($) I-465 16”-18’ PCCP 14”-18’ PCCP I-465 Ramps ( ) 12. 5”-18’ PCCP 11”-18’ PCCP I-465 Ramps ( 40/Wash. St) 12. 5”-18’-PCCP 12. 5”-18’PCCP I-80(mainline) 16”-18’-PCCP 14”-18’-PCCP $361, 000 I-80(Ramp) 12”-18’-PCCP 10. 5”-18’-PCCP $520, 000 SR 14 15”-HMA 13. 5”-HMA $333, 000 $155, 440 US 231 11”-18 -PCCP 10”-18’-PCCP $333, 000 $0 US 231 -Ramp 10”-18’-PCCP 9. 5”-18’-PCCP $28, 000 US 231 15. 5”-HMA 13”-HMA $557, 000 $0 SR 62 16”-HMA 13”-HMA $403, 000 $420, 548 US 231 11”-18’-PCCP 10”-18’-PCCP $178, 000 $0 Actual Contract Saving ($) Total Savings ($) s= ing $1, 475, 000 av d. S ate lion stim Mil al E $10 ot T $112, 000 $0 $1, 000 $775, 170 4, 300, 000

Evolution The MEPDG is not perfect…. . BUT; The MEPDG provides a reasonable and Evolution The MEPDG is not perfect…. . BUT; The MEPDG provides a reasonable and structured platform for continuous improvement.