Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. National Academy of Sciences. All rights reserved. http://blogs.law.harvard.edu/tech/rss tris-trb@nas.edu (Bill McLeod) tris-trb@nas.edu (Bill McLeod) Research in Progress (RIP) https://rip.trb.org/Images/PageHeader-wTitle-RIP.jpg https://rip.trb.org/ Implementing the AASHTO Mechanistic --Empirical Pavement Design Guide (Phase III) https://rip.trb.org/View/2227877 Fri, 11 Aug 2023 15:12:38 GMT https://rip.trb.org/View/2227877 Updated Road Map for Implementing the AASHTO Pavement ME Design Software for the Idaho Transportation Department https://rip.trb.org/View/2083753 Wed, 14 Dec 2022 14:56:18 GMT https://rip.trb.org/View/2083753 Comprehensive Review of Flexible Pavement Design Approaches https://rip.trb.org/View/1895368 Fri, 03 Dec 2021 13:11:10 GMT https://rip.trb.org/View/1895368 Update State Study No. 170 Deliverables with New PCC Test Data Revised final report for SS No. 170, “AASHTO 2002 Pavement Design Guide-Phase II” – Volume 1 https://rip.trb.org/View/1883838 Fri, 08 Oct 2021 09:12:41 GMT https://rip.trb.org/View/1883838 Implementing the AASHTO Mechanistic-Empirical Pavement Design Guide (Phase II) https://rip.trb.org/View/1879734 Wed, 22 Sep 2021 11:41:53 GMT https://rip.trb.org/View/1879734 Investigating Thermal and Mechanical Inputs for Rigid Pavement Design in North Carolina https://rip.trb.org/View/1871714 Wed, 11 Aug 2021 08:37:44 GMT https://rip.trb.org/View/1871714 Local Calibration of “C-Values” for Common Idaho Soil Types for Use in Mechanistic-Empirical Pavement Design https://rip.trb.org/View/1757063 Thu, 10 Dec 2020 14:40:27 GMT https://rip.trb.org/View/1757063 SPR-4514: Material Characterization and Determination of MEPDG Input Parameters for Indiana Superpave 5 Asphalt Mixtures https://rip.trb.org/View/1724641 Wed, 29 Jul 2020 11:30:22 GMT https://rip.trb.org/View/1724641 Development of Predictive Performance Models and Calibration of Mechanistic Empirical Design Method for Optimized Transportation Infrastructure Management, Considering Life-Cycle Costs and Environmental Impacts https://rip.trb.org/View/1632809 Wed, 26 Jun 2019 16:18:05 GMT https://rip.trb.org/View/1632809 SPR-4231: MEPDG Traffic Load Spectra for Local, Minor Arterial, Major Collector, and Minor Collector Roads https://rip.trb.org/View/1502528 Tue, 20 Feb 2018 11:51:37 GMT https://rip.trb.org/View/1502528 SPR-4212: Structural Evaluation of Full-Depth Flexible Pavement Using APT https://rip.trb.org/View/1494141 Thu, 04 Jan 2018 10:48:27 GMT https://rip.trb.org/View/1494141 In Situ Modulus Measurement Using Automated Plate Load Testing for Statewide Mechanistic-Empirical Design Calibration https://rip.trb.org/View/1485618 Mon, 16 Oct 2017 15:13:07 GMT https://rip.trb.org/View/1485618 Calibration of the AASHTO Pavement Design Guide to SC Conditions - Phase II https://rip.trb.org/View/1471233 Mon, 19 Jun 2017 12:57:04 GMT https://rip.trb.org/View/1471233 Proposed Enhancements to Pavement ME Design: Improved Consideration of the Influence of Subgrade Soils Susceptible to Shrink/Swell and/or Frost Heave on Pavement Performance https://rip.trb.org/View/1466752 Fri, 12 May 2017 09:46:24 GMT https://rip.trb.org/View/1466752 SPR-4107: Subgrade Stabilization Alternatives https://rip.trb.org/View/1458032 Mon, 27 Feb 2017 15:27:48 GMT https://rip.trb.org/View/1458032