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/ 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 Synthesis on System Performance of Accelerated Bridge Construction Connections in Moderate-to-High Seismic Regions https://rip.trb.org/View/2570612 Tue, 01 Jul 2025 14:02:07 GMT https://rip.trb.org/View/2570612 UHPC Connection For SDCL Steel Bridge System https://rip.trb.org/View/2549026 Sun, 04 May 2025 15:20:55 GMT https://rip.trb.org/View/2549026 Seismic Detailing of Steel H-Pile Connections https://rip.trb.org/View/2512622 Fri, 21 Feb 2025 21:54:18 GMT https://rip.trb.org/View/2512622 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 Prefabricated Bridge Columns with Self-Centering Capability Using Shape Memory Alloy (SMA) And Ultra-High Performance Concrete (UHPC) In Plastic Regions https://rip.trb.org/View/2404251 Sun, 21 Jul 2024 14:44:54 GMT https://rip.trb.org/View/2404251 In Service Performance of Pipe to Structure Connections https://rip.trb.org/View/2384793 Mon, 03 Jun 2024 12:31:10 GMT https://rip.trb.org/View/2384793 Improved Resiliency of Transportation Networks through Connect Mobility https://rip.trb.org/View/2329687 Tue, 30 Jan 2024 10:10:26 GMT https://rip.trb.org/View/2329687 Evaluation of Concrete Pile to Footing or Cap Connections - Final Report https://rip.trb.org/View/2286434 Thu, 02 Nov 2023 16:37:43 GMT https://rip.trb.org/View/2286434 Develop Performance of Baseplate Connections in COSS and Traffic Signal Structures https://rip.trb.org/View/2256300 Wed, 27 Sep 2023 15:54:34 GMT https://rip.trb.org/View/2256300 Shake Table Testing of Precast UHPC Bridge Column with ABC Seismic Connection https://rip.trb.org/View/2221096 Sun, 30 Jul 2023 20:58:22 GMT https://rip.trb.org/View/2221096 Numerical Investigation of the Impact of Vertical Ground Motions on ABC Girder-to-Cap Connections in the Near-Field https://rip.trb.org/View/2221095 Fri, 28 Jul 2023 09:05:27 GMT https://rip.trb.org/View/2221095 Accelerated Construction of the Highway Steel Overhead Sign Truss (SOST) through the Implementation of U-Bolt Connections https://rip.trb.org/View/2221094 Fri, 28 Jul 2023 09:02:22 GMT https://rip.trb.org/View/2221094 Impact of Construction Eccentricity on Direct Pier-to-Pile Connections for Permanently Cased Shaft (CFST) Piles https://rip.trb.org/View/1846298 Mon, 12 Apr 2021 15:37:26 GMT https://rip.trb.org/View/1846298 Mitigating Cracking in Ultra-High Performance Concrete (UHPC) Bridge Connections https://rip.trb.org/View/1841391 Wed, 17 Mar 2021 12:07:49 GMT https://rip.trb.org/View/1841391