Rigid Pavement Design Software

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Rigid Pavement Design Software
Long-Term Pavement Performance Program

• For the 1998 Supplement to the AASHTO Guide for
  Design of Pavement Structures, Part II
• Rigid Pavement Design Rigid Pavement Joint
  Design

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PRESENTATION OBJECTIVES

• What is the Rigid Pavement Design (RPD) Software?
• Development of the RPD Software
• RPD Software Features and Capabilities
• How To Use the RPD Software
• Who Should Use the RPD Software and Why
• How to Get the RPD Software

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Rigid Pavement Design Software What It Is

• Microsoft Excel spreadsheet
• Automates the design and analysis procedures of
  the 1998 AASHTO Supplement

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Rigid Pavement Design Software What It Is

• Spreadsheet has separate sheets
• (a) for determining
• accumulated traffic loadings
• seasonally adjusted k values
• adjusted k-value for fill and/or depth to rigid
  layer
• (b) for performing
• corner break checks
• faulting cracks

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PRESENTATION OBJECTIVES

• What is the Rigid Pavement Design (RPD) Software?
• Development of the RPD Software
• RPD Software Features and Capabilities
• How To Use the RPD Software
• Who Should Use the RPD Software and Why
• How to Get the RPD Software

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AASHTO Design Guide Evolution

• AASHO Road Test (ART), 1958-1960
• AASHO Interim Guides, 1961 1962
• Revised Interim Guide, 1972
• Revised Chapter III (rigid), 1981
• AASHTO Guide for the Design of Pavement
  Structures, 1986
• AASHTO Guide for the Design of Pavement
  Structures, 1993 (overlays)
• Supplement to the AASHTO Guide for the Design of
  Pavement Structures, 1998 (rigid pavement design)

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AASHO Road Test (ART)
Basis of AASHTO Design Guide
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TYPICAL JPCP PAVEMENT (designed according to
1972-1989 versions AASHTO design guides)