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/ Residual System-Level Performance of Prestressed Girder Bridges with Cast-in-Place Decks after OHTI Repairs: Phase 1 https://rip.trb.org/View/2780483 Mon, 21 Sep 2026 15:14:15 GMT https://rip.trb.org/View/2780483 Improved Prediction of Long-Term Camber for Prestressed Bridge Girders Build in Arizona https://rip.trb.org/View/2780406 Fri, 18 Sep 2026 17:02:28 GMT https://rip.trb.org/View/2780406 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 Over-height truck impact with prestressed bridge girders https://rip.trb.org/View/2752285 Thu, 13 Aug 2026 15:31:40 GMT https://rip.trb.org/View/2752285 Assessing Residual Strength of Post-Tensioned Elements with Corrosion-Induced Tendon Failure https://rip.trb.org/View/2652073 Fri, 09 Jan 2026 16:32:17 GMT https://rip.trb.org/View/2652073 Retrofitting TxDOT Prestressed Box Beams with Composite Cast In Place Concrete Deck https://rip.trb.org/View/2593186 Tue, 26 Aug 2025 12:32:40 GMT https://rip.trb.org/View/2593186 Service III Limit State for Tension in Prestressed Concrete Bridge https://rip.trb.org/View/2558377 Thu, 29 May 2025 12:43:38 GMT https://rip.trb.org/View/2558377 Beam End Repair for Prestressed Concrete Beams – Phase II https://rip.trb.org/View/2509056 Wed, 12 Feb 2025 18:12:27 GMT https://rip.trb.org/View/2509056 Camber Control in Precast/Prestressed Concrete NU Girders https://rip.trb.org/View/2507242 Mon, 10 Feb 2025 11:24:19 GMT https://rip.trb.org/View/2507242 Physics-Informed Viscoelastic/Viscoplastic Model of Prestressed Concrete Creep https://rip.trb.org/View/2491007 Wed, 22 Jan 2025 11:48:58 GMT https://rip.trb.org/View/2491007 Advancing Durability in Transportation Infrastructure through Practical Implementation of Thermal Prestressing https://rip.trb.org/View/2491019 Wed, 22 Jan 2025 11:45:28 GMT https://rip.trb.org/View/2491019 Evaluation of Prestressing Strand Bond with Type IL Cement https://rip.trb.org/View/2489961 Mon, 13 Jan 2025 14:35:43 GMT https://rip.trb.org/View/2489961 Evaluate the Effectiveness of Dowels for Lateral Restraint of Prestressed Concrete Beams https://rip.trb.org/View/2437677 Thu, 03 Oct 2024 09:35:30 GMT https://rip.trb.org/View/2437677 RES2025-02: Use of Confinement Reinforcement in Prestressed Concrete Beams to Improve Resistance to Impacts from Over Height Loads https://rip.trb.org/View/2437327 Mon, 30 Sep 2024 15:39:09 GMT https://rip.trb.org/View/2437327 Prestress Losses In UHPC And Hybrid Precast, Prestressed Bridge Girders https://rip.trb.org/View/2404262 Sun, 21 Jul 2024 14:56:45 GMT https://rip.trb.org/View/2404262