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/ Permeability of Granular Materials, and Blended Salvaged Granular Materials https://rip.trb.org/View/2379666 Tue, 14 May 2024 14:44:48 GMT https://rip.trb.org/View/2379666 Utilization of Regular or Carbonized RCA for KDOT Paving https://rip.trb.org/View/2255772 Tue, 26 Sep 2023 15:50:31 GMT https://rip.trb.org/View/2255772 Performance Structural Concrete Optimized for Cost, Durability, and Manufacturability (2.13) https://rip.trb.org/View/1875948 Thu, 14 Jul 2022 11:52:59 GMT https://rip.trb.org/View/1875948 Development of a Stormwater/Infiltration Systems for Urban Highways using Permeable Lightweight Cellular Concrete, Phase I https://rip.trb.org/View/1875795 Mon, 30 Aug 2021 15:07:56 GMT https://rip.trb.org/View/1875795 Performance Evaluation of Porous Asphalt Mixture Containing Recycled Concrete Aggregate https://rip.trb.org/View/1868771 Tue, 27 Jul 2021 10:12:44 GMT https://rip.trb.org/View/1868771 Effects of Combined Carbonate and Biofilm on Shrinkage Cracking in Unsaturated Cementitiously stabilized Soils Using Microcapsules. https://rip.trb.org/View/1856850 Sat, 05 Jun 2021 17:33:48 GMT https://rip.trb.org/View/1856850 RES2020-06: Use of recycled concrete aggregate in new concrete mixes https://rip.trb.org/View/1716626 Fri, 26 Jun 2020 11:16:24 GMT https://rip.trb.org/View/1716626 Evaluation of Waste Concrete Road Materials for Use in Oyster Aquaculture https://rip.trb.org/View/1482153 Mon, 11 Sep 2017 12:42:25 GMT https://rip.trb.org/View/1482153 Concrete Durability Factor Estimation https://rip.trb.org/View/1230886 Thu, 03 Jan 2013 14:08:04 GMT https://rip.trb.org/View/1230886