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/ Abrasion Resistance Comparison Wearing Surfaces https://rip.trb.org/View/2780489 Mon, 21 Sep 2026 15:58:59 GMT https://rip.trb.org/View/2780489 Conventional and Ultra-High Performance Concretes for Transportation Infrastructure using Limestone-Calcined Clay Cements (LC3) https://rip.trb.org/View/2692308 Thu, 10 Sep 2026 08:49:03 GMT https://rip.trb.org/View/2692308 Use of Nanomaterials to Enhance HPC and UHPC for Ready-Mix and Precast/Prestressed Infrastructure Applications https://rip.trb.org/View/2752277 Thu, 13 Aug 2026 15:32:18 GMT https://rip.trb.org/View/2752277 Integrating Concrete 3D-Printing and UHPC Spray Techniques for Improved Structural Performance https://rip.trb.org/View/2745082 Fri, 07 Aug 2026 08:26:00 GMT https://rip.trb.org/View/2745082 Synthesis and Verification of Link Slab Practices for Jointless Bridge Decks in Accelerated Bridge Construction (ABC) https://rip.trb.org/View/2744923 Fri, 07 Aug 2026 08:21:45 GMT https://rip.trb.org/View/2744923 UHPC Roadmap: Advancing the Use of Ultra-High Performance Concrete (UHPC) in Bridge Applications ​ ​ https://rip.trb.org/View/2712044 Mon, 08 Jun 2026 11:32:59 GMT https://rip.trb.org/View/2712044 Implementation of Ultra-High-Performance Concrete (UHPC) Bridge Deck Overlays in Nebraska https://rip.trb.org/View/2689406 Tue, 02 Jun 2026 12:25:59 GMT https://rip.trb.org/View/2689406 Evaluation of Hollow-Core UHPC-Steel Columns with UHPC Socketed Connection https://rip.trb.org/View/2696153 Mon, 27 Apr 2026 19:42:50 GMT https://rip.trb.org/View/2696153 Full-Scale Performance Evaluation of a Modular, Lightweight, UHPC Panel System for Repair of Corrosion-Damaged Steel H-Piles https://rip.trb.org/View/2695941 Thu, 23 Apr 2026 16:26:18 GMT https://rip.trb.org/View/2695941 Developing a Roadmap for Ultra-High Performance Concrete (UHPC) https://rip.trb.org/View/2684169 Thu, 26 Mar 2026 14:07:45 GMT https://rip.trb.org/View/2684169 Ultra-high performance concrete composite decks for long-span coastal bridges (OSU) https://rip.trb.org/View/2663233 Sat, 31 Jan 2026 12:05:58 GMT https://rip.trb.org/View/2663233 Evaluation of UHPC Shell Stay-in-Place Formwork and BCSA Cement Concrete Prestressed Girders https://rip.trb.org/View/2646949 Tue, 06 Jan 2026 09:02:05 GMT https://rip.trb.org/View/2646949 Rehabilitation of Deteriorated Timber Piles Using Ultra High Performance Concrete https://rip.trb.org/View/2646939 Mon, 05 Jan 2026 22:38:43 GMT https://rip.trb.org/View/2646939 Development Of Ultra High performance Concrete With Low-Density Flexible Fibers For Bridge Applications https://rip.trb.org/View/2633323 Tue, 02 Dec 2025 15:26:19 GMT https://rip.trb.org/View/2633323 Low-Carbon Ultra High-Performance Concrete for Use in Highway Infrastructure https://rip.trb.org/View/2593948 Thu, 28 Aug 2025 11:57:13 GMT https://rip.trb.org/View/2593948