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 and Use of Non-Vinsol Resin Air Entraining Concrete Admixtures in South Dakota https://rip.trb.org/View/2533745 Tue, 01 Apr 2025 08:53:57 GMT https://rip.trb.org/View/2533745 Delamination of Partial-Depth Panels in Concrete Bridge Decks: Inspection and Repair https://rip.trb.org/View/2445324 Sun, 27 Oct 2024 15:07:58 GMT https://rip.trb.org/View/2445324 SPR-4834: Riprap and Aggregate Polyurethane Stabilization for Drainage, Erosion Control and Road https://rip.trb.org/View/2238730 Thu, 31 Aug 2023 16:34:53 GMT https://rip.trb.org/View/2238730 Use of Toughened Epoxies to Fill Gaps Between Plates for Steel Bridge Construction https://rip.trb.org/View/2100880 Wed, 18 Jan 2023 11:17:28 GMT https://rip.trb.org/View/2100880 Evaluation of Saturates/Aromatics/Resins/Asphaltenes (SARA) Fractionation of Asphalt Binders in Louisiana https://rip.trb.org/View/1981518 Mon, 13 Jun 2022 12:07:17 GMT https://rip.trb.org/View/1981518 Use of Recycled Plastics in Asphalt Pavement Year 2 https://rip.trb.org/View/1856848 Sat, 05 Jun 2021 17:21:20 GMT https://rip.trb.org/View/1856848 Applications of Elastomeric Polymers for Accelerated Bridge Construction and Retrofit https://rip.trb.org/View/1692558 Tue, 10 Mar 2020 15:15:15 GMT https://rip.trb.org/View/1692558 Thermoplastic Composites by 3D Printing and Automated Manufacturing to Extend the Life of Transportation Facilities (2.4) https://rip.trb.org/View/1590583 Tue, 05 Mar 2019 09:58:36 GMT https://rip.trb.org/View/1590583 Structural Design Methodology for Spray Applied Pipe Liners in Gravity Storm Water Conveyance Conduits (TPF-5(356)) https://rip.trb.org/View/1492196 Mon, 18 Dec 2017 10:17:23 GMT https://rip.trb.org/View/1492196 Structural Design Methodology for Spray Applied Pipe Liners in Gravity Storm Water Conveyance Conduits https://rip.trb.org/View/1456883 Wed, 22 Feb 2017 18:11:06 GMT https://rip.trb.org/View/1456883 Plastic Pipe for Highway Construction-Phase 2 https://rip.trb.org/View/1360383 Thu, 09 Jul 2015 01:00:19 GMT https://rip.trb.org/View/1360383 Nano-Engineered Polyurethane Resin - Modified Concrete https://rip.trb.org/View/1318018 Fri, 01 Aug 2014 01:15:16 GMT https://rip.trb.org/View/1318018 Soy-Based UV Resistant Polyurethane Pultruded Composites: Phase II https://rip.trb.org/View/1234377 Thu, 03 Jan 2013 15:11:24 GMT https://rip.trb.org/View/1234377 Acquisition of Equipments for Composite Manufacturing Laboratory https://rip.trb.org/View/1230440 Thu, 03 Jan 2013 14:00:23 GMT https://rip.trb.org/View/1230440 UTC Graduate Research Assistantship for V.G.K. Menta (Ph.D Student)--Development and Characterization of Multifunctional Composites https://rip.trb.org/View/1230336 Thu, 03 Jan 2013 13:58:26 GMT https://rip.trb.org/View/1230336