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/ COLLABORATIVE: Quantifying erosion and load transfer mechanisms of geosynthetic reinforced coastal pavement subgrades and embankments during inundation events (TAMU/TXST) https://rip.trb.org/View/2663227 Sat, 31 Jan 2026 11:12:55 GMT https://rip.trb.org/View/2663227 Novel Durability Screening Method for Stabilized Geomaterials https://rip.trb.org/View/2577122 Fri, 18 Jul 2025 11:51:15 GMT https://rip.trb.org/View/2577122 Gravel Road Performance Enhancements – Phase II https://rip.trb.org/View/2507250 Mon, 10 Feb 2025 14:11:01 GMT https://rip.trb.org/View/2507250 2319 Comparative Performance of Geotextile Products for Subgrade Stabilization through Plate Load Tests https://rip.trb.org/View/2434203 Thu, 26 Sep 2024 15:59:24 GMT https://rip.trb.org/View/2434203 Evaluation of Portland Limestone Cement-Treated Subgrade Soils and Bases in Kansas https://rip.trb.org/View/2255786 Tue, 26 Sep 2023 17:47:15 GMT https://rip.trb.org/View/2255786 Lightweight Deflectometer (LWD) Assessment for Quality Assurance https://rip.trb.org/View/2151380 Wed, 12 Apr 2023 19:38:51 GMT https://rip.trb.org/View/2151380 Using of Rice Husk Ash (RHA) as Stabilizing Agent for Poor Subgrade Soils and Embankments https://rip.trb.org/View/1904965 Thu, 20 Jan 2022 14:26:49 GMT https://rip.trb.org/View/1904965 Geotechnical Database, Phase IV https://rip.trb.org/View/1768549 Mon, 08 Feb 2021 15:28:22 GMT https://rip.trb.org/View/1768549 SPR-4414: Use of Geosynthetics on Subgrade and on Low and Variable Fill Foundations https://rip.trb.org/View/1646226 Thu, 15 Aug 2019 16:28:02 GMT https://rip.trb.org/View/1646226 Design, Construction and Performance Monitoring of Stabilization of Expansive Soils and Cement https://rip.trb.org/View/1641391 Mon, 29 Jul 2019 17:21:25 GMT https://rip.trb.org/View/1641391 Carbonating Subgrade Materials for In Situ Soil Stabilization (2.9) https://rip.trb.org/View/1590590 Tue, 05 Mar 2019 09:48:42 GMT https://rip.trb.org/View/1590590 Establishing a Correlation between Resilient Modulus and CBR/Soil Index Properties and Development of a Performance-Based Specification for Pavement Subgrade Materials https://rip.trb.org/View/1522887 Mon, 09 Jul 2018 16:08:09 GMT https://rip.trb.org/View/1522887 Reducing Erosion Susceptibility of Coastal Highways Using Biologically-Based Methods https://rip.trb.org/View/1481061 Mon, 28 Aug 2017 09:44:12 GMT https://rip.trb.org/View/1481061 Resilient Modulus Prediction Models of Unbound Materials for Nevada https://rip.trb.org/View/1403618 Wed, 13 Apr 2016 11:27:34 GMT https://rip.trb.org/View/1403618 Nano-Engineered Smart Tarmacs for Detecting Distributed Surface and Subsurface Pavement Damage https://rip.trb.org/View/1361228 Fri, 17 Jul 2015 01:00:07 GMT https://rip.trb.org/View/1361228