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/ Optimizing SEAHIVE® solutions to mitigate bridge scour (TXST) https://rip.trb.org/View/2662984 Thu, 29 Jan 2026 15:52:49 GMT https://rip.trb.org/View/2662984 Thermal Effects on Concrete Substructure Elements https://rip.trb.org/View/2652209 Tue, 13 Jan 2026 14:58:04 GMT https://rip.trb.org/View/2652209 Develop Guidance on Drilled Shaft Response to Collision Force https://rip.trb.org/View/2606400 Thu, 02 Oct 2025 09:47:40 GMT https://rip.trb.org/View/2606400 Accelerated Bridge Construction (ABC) Methods for Pile-Footing-Column Systems https://rip.trb.org/View/2509057 Wed, 12 Feb 2025 18:34:48 GMT https://rip.trb.org/View/2509057 Concrete Patching Methods https://rip.trb.org/View/2417061 Mon, 12 Aug 2024 13:26:29 GMT https://rip.trb.org/View/2417061 Development of Design Recommendations for Non-Contact, Hooked Bar Lap Splices for Large Reinforcing Bars https://rip.trb.org/View/1869632 Fri, 30 Jul 2021 15:07:30 GMT https://rip.trb.org/View/1869632 SPR-4165: Verification of Bridge Foundation Design Assumptions and Calculations https://rip.trb.org/View/1465620 Fri, 28 Apr 2017 11:25:28 GMT https://rip.trb.org/View/1465620 Seismic Repair of Reinforced Concrete Bridges Substructure https://rip.trb.org/View/1425934 Fri, 07 Oct 2016 14:54:04 GMT https://rip.trb.org/View/1425934 Continued Advancements in Load and Resistance Factor Design (LRFD) for Foundations, Substructures and Other Geotechnical Features https://rip.trb.org/View/1336367 Mon, 29 Dec 2014 01:00:47 GMT https://rip.trb.org/View/1336367 Lightweight Concrete Code Provisions https://rip.trb.org/View/1230548 Thu, 03 Jan 2013 14:02:00 GMT https://rip.trb.org/View/1230548 Finite Element Analysis of Concrete Approach Slab on Soil Embankment https://rip.trb.org/View/1230340 Thu, 03 Jan 2013 13:58:31 GMT https://rip.trb.org/View/1230340