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/ Performance Evaluation and Structural Optimization of Fiber-Reinforced Asphalt Concrete (FRAC) for Pothole Repair and Roadway Resilience https://rip.trb.org/View/2696034 Sat, 25 Apr 2026 12:33:24 GMT https://rip.trb.org/View/2696034 SEAHIVE® solutions to mitigate bridge scour – Phase III (UM) https://rip.trb.org/View/2663128 Sat, 31 Jan 2026 10:52:00 GMT https://rip.trb.org/View/2663128 Evaluating the use of recycled and sustainable materials in self-consolidating concrete for underground applications (UTI-UTC 13) https://rip.trb.org/View/2543408 Wed, 07 May 2025 18:48:14 GMT https://rip.trb.org/View/2543408 Fire Resistance of Tunnel Liners with Fiber-Reinforced Concrete (UTI-UTC 18) https://rip.trb.org/View/2543413 Wed, 07 May 2025 18:18:55 GMT https://rip.trb.org/View/2543413 Performance Based Specifications of Fiber Reinforced Concrete https://rip.trb.org/View/2491105 Thu, 16 Jan 2025 15:24:58 GMT https://rip.trb.org/View/2491105 Phase-II: Addressing Durability Concerns in Binders with Interlayer Reinforcement for 3D Printed Elements https://rip.trb.org/View/2480350 Wed, 01 Jan 2025 16:01:10 GMT https://rip.trb.org/View/2480350 SEAHIVE® solutions to mitigate bridge scour – Phase II https://rip.trb.org/View/2422950 Thu, 29 Aug 2024 17:14:29 GMT https://rip.trb.org/View/2422950 Cracking-resistant Concrete for Durable Coastal Structures https://rip.trb.org/View/2422881 Thu, 29 Aug 2024 14:12:13 GMT https://rip.trb.org/View/2422881 Optimizing Fiberglass Reinforced Concrete Mix for use on Local Roadways in Ohio https://rip.trb.org/View/2422909 Thu, 29 Aug 2024 11:09:53 GMT https://rip.trb.org/View/2422909 Develop Concrete Girder Splice Details with Application of Ultra-High-Performance Fiber-Reinforced Concrete (UHP-FRC) https://rip.trb.org/View/2420087 Fri, 23 Aug 2024 10:44:09 GMT https://rip.trb.org/View/2420087 Role Of Grout And GFRP Slip Liner On The Circumferential Behaviour Of Retrofitted Corroded Metal Culverts https://rip.trb.org/View/2404267 Sun, 21 Jul 2024 14:59:54 GMT https://rip.trb.org/View/2404267 Efficiency of Fiber Reinforcement in Ultra-high Performance Concrete (2.20) https://rip.trb.org/View/1996251 Wed, 01 May 2024 17:08:36 GMT https://rip.trb.org/View/1996251 Performance of Fiber-Reinforced Concrete for Bridge Construction and Rehabilitation https://rip.trb.org/View/2344525 Fri, 23 Feb 2024 16:24:56 GMT https://rip.trb.org/View/2344525 Parametric Analysis of the Durability and Chloride Penetrability of Fiber Reinforced Concrete Bridge Decks https://rip.trb.org/View/2265651 Tue, 10 Oct 2023 12:03:24 GMT https://rip.trb.org/View/2265651 Exploring the Combined Use of Distributed Fiber and Deformed Bar Reinforcement to Resist Shear Forces https://rip.trb.org/View/2221101 Sun, 30 Jul 2023 21:09:03 GMT https://rip.trb.org/View/2221101