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/ Comparing Resistivity and Conductivity in Metal Culverts https://rip.trb.org/View/2582927 Tue, 05 Aug 2025 13:13:14 GMT https://rip.trb.org/View/2582927 Updating VDOT’s Concrete Permeability Requirements https://rip.trb.org/View/2476010 Sat, 14 Dec 2024 08:50:43 GMT https://rip.trb.org/View/2476010 Advancing Performance Engineered Concrete Mixtures and Sustainability Assessment https://rip.trb.org/View/2414053 Thu, 08 Aug 2024 10:59:22 GMT https://rip.trb.org/View/2414053 Field Evaluation of Geophysical Applications for DOTD https://rip.trb.org/View/2111935 Mon, 06 Feb 2023 12:01:35 GMT https://rip.trb.org/View/2111935 PEM: Influence of Curing Regimes on Formation Factor https://rip.trb.org/View/2077942 Tue, 06 Dec 2022 09:48:37 GMT https://rip.trb.org/View/2077942 Geometry Verification for Concrete Resistivity Testing https://rip.trb.org/View/2077939 Tue, 06 Dec 2022 09:48:35 GMT https://rip.trb.org/View/2077939 Influence of Internal Curing on Concrete’s Permeability in Simulated Field Conditions https://rip.trb.org/View/1906849 Fri, 28 Jan 2022 11:22:50 GMT https://rip.trb.org/View/1906849 Rating Concrete Permeability Based on Resistivity Measurements https://rip.trb.org/View/1877221 Thu, 09 Sep 2021 10:01:20 GMT https://rip.trb.org/View/1877221 Geoarchaeological Survey Methods for Enhanced Decision-Making in ODOT's Project Development Process (PDP) https://rip.trb.org/View/1752405 Thu, 19 Nov 2020 09:27:44 GMT https://rip.trb.org/View/1752405 Surface Resistivity for Concrete Quality Assurance https://rip.trb.org/View/1595447 Mon, 12 Aug 2019 19:37:34 GMT https://rip.trb.org/View/1595447 Rating Concrete Water Permeability Based on Resistivity Measurements https://rip.trb.org/View/1513310 Mon, 21 May 2018 21:54:28 GMT https://rip.trb.org/View/1513310 DC Resistivity for model Tunnel Boring Machines (TBM) in laboratory environment (UTI-UTC 08) https://rip.trb.org/View/1458193 Mon, 29 Jan 2018 12:20:28 GMT https://rip.trb.org/View/1458193 Imaging of Voids Beneath Bridge Bent Using Electrical Resistivity Tomography https://rip.trb.org/View/1301308 Fri, 07 Mar 2014 01:01:45 GMT https://rip.trb.org/View/1301308 Comprehensive Study to Understand Longitudinal ERW Seam Failures https://rip.trb.org/View/1261702 Tue, 10 Sep 2013 01:01:06 GMT https://rip.trb.org/View/1261702 Mapping Subsurface in Proximity to Newly-Developed Sinkhole Along Roadway https://rip.trb.org/View/1253629 Wed, 26 Jun 2013 01:00:21 GMT https://rip.trb.org/View/1253629