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/ Test Methods for Joint Fabrics Used in Precast Concrete Adjacent Member Beam Connections https://rip.trb.org/View/2592103 Thu, 21 Aug 2025 12:36:44 GMT https://rip.trb.org/View/2592103 Microstructure Analysis with X-ray CT Scan Imaging to Develop Enhanced Full-Depth Reclamation (FDR) Mixes Through Optimized Mix Design Compaction Effort https://rip.trb.org/View/2480362 Wed, 01 Jan 2025 17:15:15 GMT https://rip.trb.org/View/2480362 Implementation of Asphalt Mixture Automated Testing System with Zero Intervention (AMAZE) https://rip.trb.org/View/2437697 Thu, 03 Oct 2024 11:39:11 GMT https://rip.trb.org/View/2437697 Performance Evaluation of HMA Treated with Hydrated Lime and Liquid Antistrip Agents https://rip.trb.org/View/2431176 Mon, 16 Sep 2024 09:35:35 GMT https://rip.trb.org/View/2431176 Development of Non-Proprietary Ultra-High Performance Concrete (UHPC) Prestressed Bridge Girders https://rip.trb.org/View/2427399 Mon, 09 Sep 2024 10:15:19 GMT https://rip.trb.org/View/2427399 Implementation and Performance Monitoring of Accelerating Mix Designs for Cement Treated Base https://rip.trb.org/View/2420071 Thu, 22 Aug 2024 16:10:17 GMT https://rip.trb.org/View/2420071 Capacity and Acceptance Criteria of Welded Splices on Cold-Bent Reinforcing Steel https://rip.trb.org/View/2323252 Wed, 17 Jan 2024 16:12:52 GMT https://rip.trb.org/View/2323252 Development of a Multi-Camera Based Photogrammetric Method for Improving Three-Dimensional Full-Field Displacement Measurements of Geosynthetics During Tensile Test https://rip.trb.org/View/2289619 Tue, 14 Nov 2023 20:30:39 GMT https://rip.trb.org/View/2289619 Impact of Bolt Holes on the Performance of Steel Girders https://rip.trb.org/View/2289610 Mon, 13 Nov 2023 18:03:58 GMT https://rip.trb.org/View/2289610 Determine Relationship between IDT based on NCHRP Report 789 IDT Test Protocol and MOR for CSM Pavement Layers https://rip.trb.org/View/2264422 Mon, 09 Oct 2023 09:09:45 GMT https://rip.trb.org/View/2264422 Automated IDEAL Cracking and Rutting Tests https://rip.trb.org/View/2256327 Wed, 27 Sep 2023 16:47:18 GMT https://rip.trb.org/View/2256327 Evaluation of Ideal-RT, HT-ADT and Additives on Bituminous Mixture Performance https://rip.trb.org/View/2244519 Thu, 14 Sep 2023 08:49:33 GMT https://rip.trb.org/View/2244519 Criteria of Welded Splices on Cold-Bent Reinforcing Steel https://rip.trb.org/View/2151375 Wed, 12 Apr 2023 19:13:01 GMT https://rip.trb.org/View/2151375 Refinement and Delivery of a Standardized Test Method for Tensile Response of Strain-Hardening Fiber Reinforced Concretes https://rip.trb.org/View/2100872 Wed, 18 Jan 2023 11:17:23 GMT https://rip.trb.org/View/2100872 Mitigating Cracks in Concrete Members for Durable Bridge Construction https://rip.trb.org/View/2071997 Fri, 16 Dec 2022 12:25:09 GMT https://rip.trb.org/View/2071997