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/ Effect of Supplementary Cementitious Materials (SCMs) and waste products on Critical Chloride Threshold, CT, of Concrete https://rip.trb.org/View/2694441 Tue, 21 Apr 2026 13:35:39 GMT https://rip.trb.org/View/2694441 Protection of Precious Waters from Road Salt: Mitigation Through Roadside Ditch Capture https://rip.trb.org/View/2577115 Fri, 18 Jul 2025 11:30:15 GMT https://rip.trb.org/View/2577115 Developing High-Performance Nanocomposite Coating for Steel Reinforcement Protection in Chloride-Rich Concrete https://rip.trb.org/View/1856472 Sat, 05 Jun 2021 16:31:24 GMT https://rip.trb.org/View/1856472 Effectiveness of Epoxy Chip Seals for SD Bridge Decks https://rip.trb.org/View/1844017 Mon, 29 Mar 2021 14:40:49 GMT https://rip.trb.org/View/1844017 Impacts of Magnesium Chloride Deicer on the Durability of Nanosilica-Modified HVFA Concrete https://rip.trb.org/View/1744725 Mon, 12 Oct 2020 11:02:09 GMT https://rip.trb.org/View/1744725 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 Long Term Performance of Overlays: Thin Epoxy Overlay vs. Traditional Rigid Overlay https://rip.trb.org/View/1508217 Mon, 09 Apr 2018 11:48:02 GMT https://rip.trb.org/View/1508217 Construction of Crack-Free Concrete Bridge https://rip.trb.org/View/1229936 Thu, 03 Jan 2013 13:51:03 GMT https://rip.trb.org/View/1229936