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/ Construction & Early Performance of Rapid Strength Cement Concrete Mixture in MnROAD Test Cell 2437 https://rip.trb.org/View/2703791 Fri, 15 May 2026 16:40:13 GMT https://rip.trb.org/View/2703791 Underseals https://rip.trb.org/View/2703789 Fri, 15 May 2026 15:44:07 GMT https://rip.trb.org/View/2703789 SPR-5027: Evaluation of Recycled Concrete Pavement (RCP) for Base and Subbase Layers https://rip.trb.org/View/2698666 Wed, 06 May 2026 15:26:33 GMT https://rip.trb.org/View/2698666 Determination of Test Methods to Quantify the Effects of Organic and Inorganic Constituents in Silica Sand Used for Construction https://rip.trb.org/View/2698276 Fri, 01 May 2026 07:34:22 GMT https://rip.trb.org/View/2698276 Development of Multifunctional Cementitious Composites with Tailored Pore Structures for Intelligent Infrastructure Applications https://rip.trb.org/View/2696035 Sat, 25 Apr 2026 12:31:31 GMT https://rip.trb.org/View/2696035 Nanoscale Wear Mechanics-driven Durable Tire Design https://rip.trb.org/View/2696033 Sat, 25 Apr 2026 12:25:11 GMT https://rip.trb.org/View/2696033 Multiscale Understanding of Pervious Concrete Using Digital Packing and Automated Permeability Testing https://rip.trb.org/View/2696018 Thu, 23 Apr 2026 17:09:56 GMT https://rip.trb.org/View/2696018 Field Performance Study of Plastics-Amended Asphalt for Roadway Construction https://rip.trb.org/View/2696020 Thu, 23 Apr 2026 16:48:47 GMT https://rip.trb.org/View/2696020 Revolutionizing Coastal Infrastructure Durability with Pervious Concrete: A Cost-Effective, High-Performance Seawall https://rip.trb.org/View/2696019 Thu, 23 Apr 2026 16:44:25 GMT https://rip.trb.org/View/2696019 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 Anchorage Design and Detailing for Fabric-Reinforced Cementitious Matrix Retrofits of Transportation Concrete Structures https://rip.trb.org/View/2691724 Sun, 12 Apr 2026 23:52:50 GMT https://rip.trb.org/View/2691724 Evaluation of Cement-Based Pavement Markings https://rip.trb.org/View/2689760 Wed, 08 Apr 2026 09:40:12 GMT https://rip.trb.org/View/2689760 In-Situ Monitoring of Concrete Early Age Strength Development Through Acoustic Resonance Technologies https://rip.trb.org/View/2689759 Wed, 08 Apr 2026 09:37:19 GMT https://rip.trb.org/View/2689759 Study of Real-Time Concrete Strength Measurements and Monitoring Systems that Conform to AASHTO T-412-24 for Use in Materials Testing Which Will Provide Cost Savings and Reduce Waste https://rip.trb.org/View/2687354 Wed, 01 Apr 2026 17:10:04 GMT https://rip.trb.org/View/2687354 Statistical Evaluation of Illinois Modified AASHTO T161 Freeze–Thaw Testing Following Laboratory Relocation https://rip.trb.org/View/2686616 Wed, 01 Apr 2026 09:41:33 GMT https://rip.trb.org/View/2686616