AASHTOWare Pavement ME Design is a production-ready software tool to. It is built upon the NCHRP mechanistic-empirical pavement design guide and expands and improves the features of the accompanying prototype computational software.
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To introduce these new features, Timm presented a webinar on May 30, 2017, on how to use PerRoad 4.3 to compare mixes developed through the 1993 AASHTO Pavement Design Procedure, the AASHTO MEPDG process, and other M-E Design procedures. Pavement Design BCOA-ME: bonded PCC overlay (whitetopping) design - ACPA K-value calculator: For use with BCOA-ME MnPAVE Flexible: flexible (HMA) pavement. AASHTOWare Pavement ME Design is the next generation of pavement design software. PerRoadXpress then allows the designer either to use defaults for traffic and soil, or to input the actual values if they are known. The designer chooses a type of asphalt cement. “By coupling layered elastic analysis with a statistical analysis procedure, the program helps a designer understand the layer thicknesses and other values that will ensure long-life pavement.” PerRoadXpress is an easy-to-use, all-on-one-screen program for designing Perpetual Pavements for low- and medium-volume roads and parking lots. “Perpetual pavement designs allow us to limit distresses to the easily repaired surface,” says PerRoad developer David Timm, PE.
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It's available for free from You can also download PerRoadXpress 1.0, an all-on-one-screen program for low- and medium-volume roads and parking lots, from that page for free.
Proposed preliminary pavement layer thickness.
New features allow users to compare M-E with perpetual pavement designs and use strain distribution or a single endurance limit strain value to design a perpetual pavement. Calculation by software: DARWin Pavement Design and Analysis System. Best viewed using Chrome on Windows or Safari for MacOS. Incorporating recent research conducted on the center's test track and validated with live traffic on perpetual pavement sections, Version 4.3 provides results as percentile responses and as conventional designs with transfer functions. Welcome to Pavement Designer, a free web-based pavement design tool for streets, local roads, parking lots, and intermodal/industrial facilities. The software couples layered elastic analysis with a statistical analysis procedure (Monte Carlo simulation) to estimate stresses and strains within a pavement. Developed at the National Center for Asphalt Technology at Auburn University in Alabama, PerRoad uses the mechanistic-empirical (M-E) design philosophy to estimate stresses and strains that lead to fatigue cracking or structural rutting.