Flexible Pavement Design Methods Heuristic Methods (early 1900s) - PowerPoint PPT Presentation

Flexible Pavement Design Methods • Heuristic Methods (early 1900s) • Empirical Based on Soil Class (1920s) • Empirical Based on Soil Strength (1930s) • Limiting Shear Stress (1940s) • Limiting Deflection (1950s) • Regression-Based (1960s) • Mechanistic-Empirical (21 st Century) Wednesday, August 29 1 CIVL 7166

7133 Earth Structures • Analysis, design, and construction of earth dams, levees, embankments and slopes; soil stabilization; seepage, drainage, and flow nets. Wednesday, August 29 2 CIVL 7166

Rigid Pavement Design Methods • 1919 – Goldbeck’s Formula • 1926 – Westergaard’s Equations • 1951 – Pickett’s Equations • 1965 – Finite Element Methods • 1979 – ILLI-SLAB • 1981 – WESLIQUID & WESLAYER • 1985 – KENSLABS Wednesday, August 29 3 CIVL 7166

Road Tests • Bates Road Test (rigid & flexible) • Maryland Road Test (rigid) • WASHO Road Test (flexible) • AASHO Road Test (flexible & rigid) • WesTrack (flexible) • NCAT Test Track (flexible) • SHRP LTPP (flexible & rigid) Wednesday, August 29 4 CIVL 7166

AASHO Road Test Source: Highway Research Board Special Report 61A-G Wednesday, August 29 5 CIVL 7166

CIVL 7166 AASHO Road Test 6 Wednesday, August 29

CIVL 7166 WesTrack 13 Wednesday, August 29

CIVL 7166 NCAT Test Track 16 Wednesday, August 29

NCAT Test Track Source: Better Roads , November 2006 Wednesday, August 29 17 CIVL 7166

CIVL 7166 NCAT Test Track 18 Wednesday, August 29

CIVL 7166 SHRP LTPP 19 Wednesday, August 29

Pavement Design Factors • Traffic • Materials – Axle Loads – Elastic Modulus – Contact Pressure – Poisson’s Ratio – Load Repetitions – Resilient Modulus – Vehicle Speed – Creep Compliance – Fatigue Life • Environment – Subgrade Reaction – Temperature – Modulus of Rupture – Moisture – Strength – Freeze/Thaw Wednesday, August 29 20 CIVL 7166

Failure Criteria • Flexible Pavements – Fatigue Cracking in Asphalt – Rutting in Asphalt and Base – Permanent Strain in Subgrade – Thermal Cracking in Asphalt • Rigid Pavements – Fatigue Cracking in Slab – Permanent Strain in Subgrade Wednesday, August 29 21 CIVL 7166

Highway vs. Airport • Load Magnitudes • Load Durations • Contact Pressures • Traffic Volume • Tracking / Wander • Gear Configurations • Edge Effects Wednesday, August 29 22 CIVL 7166

CIVL 7166 Highway Wander 23 Wednesday, August 29

CIVL 7166 Airport Wander 24 Wednesday, August 29

Gear Configurations Wednesday, August 29 25 CIVL 7166

Dual Wheel – Single Axle Wednesday, August 29 26 CIVL 7166

Flexible Pavement Design Methods Heuristic Methods (early 1900s) - PowerPoint PPT Presentation

Flexible Pavement Design Methods Heuristic Methods (early 1900s) Empirical Based on Soil Class (1920s) Empirical Based on Soil Strength (1930s) Limiting Shear Stress (1940s) Limiting Deflection (1950s) Regression-Based

Materials Selection in Pavement Design Flexible Pavements Pavement Design AASHTO Pavement

The Pavement Design Spreadsheet can be used to develop pavement designs for full depth pavement

Advanced Pavement Evaluation & Design Methods PRESENTED BY : CHUCK A. GEMAYEL, PE - SME

SR28 A55 Pavement Design Let 11/2/2017 Thomas S. Adams, PE District 11 Pavement Engineer

& Semi-Rigid Pavement Methods Wu, D.Q. and Zhang, Y.L. Chemilink Technologies Group,

Design Concepts and Perpetual Pavement Mike Mamlouk Arizona State University Asphalt Pavement

Modified Asphalts in Pavement Design Optimization of Asphalt Mixtures and Pavement Thickness with

Formal Methods in Resilient Systems Design using a Flexible Contract Approach Sponsor:

Analysis of the FWD Data Collected on Flexible Pavements during First Cycle of Accelerated

7 th CAPSA 99: General Session 5: Innovation in Asphalt Pavement Design Towards Improved

DESIGN & ANALYSIS METHODS DESIGN & ANALYSIS METHODS FOR DESIGN & ANALYSIS METHODS

Thin Asphalt Overlays for Pavement Preservation Mid-Year Asphalt Pavement Technical Seminar

Subgrade Characterization Pavement Design Factors Wheel Loads Applied to Pavement Magnitude of

Flexible Hardware Design at Flexible Hardware Design at Low Levels of Abstraction Low Levels of

State Experience with ME Pavement Design (MEPDG Implementation at ADOT) Scott Weinland, P.E.

SUSTAINABLE PAVEMENT DESIGN: DOING MORE WITH LESS Bob Wicklund, A.Sc.T., PMP, Regional

2012 Pavement Condition Survey NCDOT Pavement Management - 2012 Pavement Condition Survey New For

FHWA Asphalt Program John Bukowski Asphalt Team Leader Office of Pavement Technology 1 Program

Development of a Long-term Accelerated Pavement Testing Programme and Structural Design Models

CalME Design and Analysis Software for Pavement Design and Analysis, and Analysis of HVS Results

I-210 Pavement Rehabilitation Project R 210 R Replace traffic stripes and pavement markers

Overview of Pavement Management Pavement Management Concepts and Implementation in Washington

Investigation of Pavement Temperatures for Asphalt Pavements in WA MRWA Meeting and WAPG

Pavement Management 1 Pavement Management Program Review September 2017 - City Council

Flexible Pavement Design Methods Heuristic Methods (early 1900s) - PowerPoint PPT Presentation

Flexible Pavement Design Methods Heuristic Methods (early 1900s) Empirical Based on Soil Class (1920s) Empirical Based on Soil Strength (1930s) Limiting Shear Stress (1940s) Limiting Deflection (1950s) Regression-Based

Materials Selection in Pavement Design Flexible Pavements Pavement Design AASHTO Pavement

The Pavement Design Spreadsheet can be used to develop pavement designs for full depth pavement

Advanced Pavement Evaluation &amp; Design Methods PRESENTED BY : CHUCK A. GEMAYEL, PE - SME

SR28 A55 Pavement Design Let 11/2/2017 Thomas S. Adams, PE District 11 Pavement Engineer

&amp; Semi-Rigid Pavement Methods Wu, D.Q. and Zhang, Y.L. Chemilink Technologies Group,

Design Concepts and Perpetual Pavement Mike Mamlouk Arizona State University Asphalt Pavement

Modified Asphalts in Pavement Design Optimization of Asphalt Mixtures and Pavement Thickness with

Formal Methods in Resilient Systems Design using a Flexible Contract Approach Sponsor:

Analysis of the FWD Data Collected on Flexible Pavements during First Cycle of Accelerated

7 th CAPSA 99: General Session 5: Innovation in Asphalt Pavement Design Towards Improved

DESIGN &amp; ANALYSIS METHODS DESIGN &amp; ANALYSIS METHODS FOR DESIGN &amp; ANALYSIS METHODS

Thin Asphalt Overlays for Pavement Preservation Mid-Year Asphalt Pavement Technical Seminar

Subgrade Characterization Pavement Design Factors Wheel Loads Applied to Pavement Magnitude of

Flexible Hardware Design at Flexible Hardware Design at Low Levels of Abstraction Low Levels of

State Experience with ME Pavement Design (MEPDG Implementation at ADOT) Scott Weinland, P.E.

SUSTAINABLE PAVEMENT DESIGN: DOING MORE WITH LESS Bob Wicklund, A.Sc.T., PMP, Regional

2012 Pavement Condition Survey NCDOT Pavement Management - 2012 Pavement Condition Survey New For

FHWA Asphalt Program John Bukowski Asphalt Team Leader Office of Pavement Technology 1 Program

Development of a Long-term Accelerated Pavement Testing Programme and Structural Design Models

CalME Design and Analysis Software for Pavement Design and Analysis, and Analysis of HVS Results

I-210 Pavement Rehabilitation Project R 210 R Replace traffic stripes and pavement markers

Overview of Pavement Management Pavement Management Concepts and Implementation in Washington

Investigation of Pavement Temperatures for Asphalt Pavements in WA MRWA Meeting and WAPG

Pavement Management 1 Pavement Management Program Review September 2017 - City Council

Advanced Pavement Evaluation & Design Methods PRESENTED BY : CHUCK A. GEMAYEL, PE - SME

& Semi-Rigid Pavement Methods Wu, D.Q. and Zhang, Y.L. Chemilink Technologies Group,

DESIGN & ANALYSIS METHODS DESIGN & ANALYSIS METHODS FOR DESIGN & ANALYSIS METHODS