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/ Cone Penetration Test Correlations for Missouri Soils https://rip.trb.org/View/2673279 Tue, 24 Feb 2026 15:30:33 GMT https://rip.trb.org/View/2673279 Clay and Shale LRFD Design Criteria for Drilled Shaft Foundations https://rip.trb.org/View/2604567 Mon, 29 Sep 2025 16:35:38 GMT https://rip.trb.org/View/2604567 Stabilization of Expansive Soils using Geopolymers Prepared from Locally Available Resources https://rip.trb.org/View/1948956 Mon, 09 May 2022 10:46:52 GMT https://rip.trb.org/View/1948956 Consequences-Based Analysis of Undrained Shear Behavior of Soils and Liquefaction Hazards, Phase 1: Filling the Data Gaps https://rip.trb.org/View/1879802 Thu, 23 Sep 2021 10:51:43 GMT https://rip.trb.org/View/1879802 Evaluating Biochar as a Multi-Beneficial and Cost-Effective Soil Amendment Option for Maximal Stormwater Infiltration https://rip.trb.org/View/1765392 Tue, 26 Jan 2021 08:24:25 GMT https://rip.trb.org/View/1765392 Coupling Novel Soil Moisture-Suction Sensors and UAV Photogrammetry Technology to the Performance of Highway Embankments https://rip.trb.org/View/1644229 Mon, 05 Aug 2019 20:39:37 GMT https://rip.trb.org/View/1644229 Implementation Using Geofoam for Bridge Approach Slabs and Roadway Embankments https://rip.trb.org/View/1359586 Wed, 01 Jul 2015 02:45:46 GMT https://rip.trb.org/View/1359586