A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Development of ROADHOG: A Flexible Pavement Overlay Design Procedure. ROADHOG.EXE. User's Manual. Computer-Aided Overlay Design Using the Flexible Overlay Design Procedure ROADHOG
A flexible pavement overlay thickness design procedure was developed. The procedure follows the AASHTO structural number approach to flexible pavement design and uses the structural deficiency concept in selecting the overlay thickness. The subgrade resilient modulus (Mr) and existing pavement structural capacity (effective structural number or SNeff) aredetermined from NDT data obtained using a falling weight deflectometer. Mr is calculated using the deflectionmeasured 3 feet from the FWD center of loading. The method of calculation is based on ILLIPAVE finite element pavement analyses and was selected following an evaluation of various available NDT back calculation methods. SNeff is determined from the difference between the deflections at the center of loading and the deflection at a distance form the center equal to the total pavement thickness. The SNeff determination method was developed under the study. The complete procedure is programmed for use on an IBM PC, XT, AT, or any compatible system having at least one floppy drive and a minimum of 364K of available RAM. The program is user friendly and runs interactively. It is menu-driven and features on-line help facilities.
Development of ROADHOG: A Flexible Pavement Overlay Design Procedure. ROADHOG.EXE. User's Manual. Computer-Aided Overlay Design Using the Flexible Overlay Design Procedure ROADHOG
A flexible pavement overlay thickness design procedure was developed. The procedure follows the AASHTO structural number approach to flexible pavement design and uses the structural deficiency concept in selecting the overlay thickness. The subgrade resilient modulus (Mr) and existing pavement structural capacity (effective structural number or SNeff) aredetermined from NDT data obtained using a falling weight deflectometer. Mr is calculated using the deflectionmeasured 3 feet from the FWD center of loading. The method of calculation is based on ILLIPAVE finite element pavement analyses and was selected following an evaluation of various available NDT back calculation methods. SNeff is determined from the difference between the deflections at the center of loading and the deflection at a distance form the center equal to the total pavement thickness. The SNeff determination method was developed under the study. The complete procedure is programmed for use on an IBM PC, XT, AT, or any compatible system having at least one floppy drive and a minimum of 364K of available RAM. The program is user friendly and runs interactively. It is menu-driven and features on-line help facilities.
Development of ROADHOG: A Flexible Pavement Overlay Design Procedure. ROADHOG.EXE. User's Manual. Computer-Aided Overlay Design Using the Flexible Overlay Design Procedure ROADHOG
K. D. Hall (author) / R. P. Elliott (author) / N. T. Morrison (author) / K. S. Hong (author)
1990
231 pages
Report
No indication
English
Highway Engineering , Construction Equipment, Materials, & Supplies , Pavement overlays , Flexible pavements , Thickness , Design criteria , Highway design , Finite element method , Arkansas , Service life , Subgrades , Computer programs , Mathematical models , Road materials , Asphalts , Pavement deflections , Stress analysis , ROADHOG Computer program
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