Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2026. 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/ ME Guide: E* Model from Single Point Tests Results, Phase III: Development of Low-temperature, High-frequency Relations https://rip.trb.org/View/2329540 Fri, 26 Jan 2024 14:53:34 GMT https://rip.trb.org/View/2329540 Development of an AI-Powered Dynamic Modulus Test with a Low-Cost Loading Frame https://rip.trb.org/View/2071682 Tue, 29 Nov 2022 08:53:23 GMT https://rip.trb.org/View/2071682 Optimizing the Sustainability of Asphalt Pavements through Incorporating Crumb Rubber in High-Modulus Asphalt Concrete (HMAC) Mixtures in Louisiana https://rip.trb.org/View/1948607 Fri, 06 May 2022 11:52:11 GMT https://rip.trb.org/View/1948607 SPR-4619: Back-calculated Dynamic Modulus Master Curve from the Time Histories of Falling Weight Deflectometer Surface Deflections https://rip.trb.org/View/1879925 Thu, 23 Sep 2021 15:18:02 GMT https://rip.trb.org/View/1879925 Viability Assessment and Cost-Effectiveness of Using High-Modulus Asphalt Concrete (HMAC) as Base Course in Asphalt Pavements in Louisiana https://rip.trb.org/View/1751117 Tue, 10 Nov 2020 08:33:51 GMT https://rip.trb.org/View/1751117 Development of a 4.75mm (No. 4) NAMS Mixture https://rip.trb.org/View/1471560 Wed, 21 Jun 2017 11:59:18 GMT https://rip.trb.org/View/1471560 Interconversion of Dynamic Modulus, E* to Creep Compliance, D (t) and Relaxation Modulus, E(t): Numerical Modeling and Laboratory Validation https://rip.trb.org/View/1328346 Tue, 21 Oct 2014 01:01:34 GMT https://rip.trb.org/View/1328346 Relating Dynamic Shear Modulus (G*) of Performance Grade (PG) Asphalt Binders to Nanoindentation Stiffness (E) https://rip.trb.org/View/1328345 Tue, 21 Oct 2014 01:01:33 GMT https://rip.trb.org/View/1328345