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Long-Term Pavement Performance Program. Rigid Pavement Design Software. For the 1998 Supplement to the AASHTO Guide for Design of Pavement Structures, Part II: Rigid Pavement Design & Rigid Pavement Joint Design. PRESENTATION OBJECTIVES. What is the Rigid Pavement Design (RPD) Software?
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Long-Term Pavement Performance Program Rigid Pavement Design Software For the 1998 Supplement to the AASHTO Guide for Design of Pavement Structures, Part II: Rigid Pavement Design & Rigid Pavement Joint Design
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
Rigid Pavement Design Software: What It Is • Microsoft Excel spreadsheet • Automates the design and analysis procedures of the 1998 AASHTO Supplement
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
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
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)
AASHO Road Test (ART) Basis of AASHTO Design Guide
TYPICAL JPCP PAVEMENT (designed according to 1972-1989 versions AASHTO design guides)