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/ Empirical Modeling for Improved Ground Failure Analysis https://rip.trb.org/View/2726232 Wed, 08 Jul 2026 17:38:31 GMT https://rip.trb.org/View/2726232 3D SPT - Seismic Imaging for Bartow Project https://rip.trb.org/View/2697839 Thu, 30 Apr 2026 10:02:06 GMT https://rip.trb.org/View/2697839 Full-Scale Performance Evaluation of a Modular, Lightweight, UHPC Panel System for Repair of Corrosion-Damaged Steel H-Piles https://rip.trb.org/View/2695941 Thu, 23 Apr 2026 16:26:18 GMT https://rip.trb.org/View/2695941 Seismic Analysis and Design of Retaining Walls, Buried Structures, Slopes, and Embankments https://rip.trb.org/View/2683238 Thu, 26 Mar 2026 14:22:28 GMT https://rip.trb.org/View/2683238 Enhancing Site Response Analysis for Bridge Infrastructure in the Southern Plains Region: Issues, Pitfalls, and Pathways to Improvement https://rip.trb.org/View/2646962 Tue, 06 Jan 2026 17:14:23 GMT https://rip.trb.org/View/2646962 Shear Wave Velocity Measurements - Phase II https://rip.trb.org/View/2640695 Tue, 16 Dec 2025 09:39:09 GMT https://rip.trb.org/View/2640695 Seismic Ground Motions for IDOT Geotechnical Assets https://rip.trb.org/View/2593917 Thu, 28 Aug 2025 09:41:56 GMT https://rip.trb.org/View/2593917 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 Estimating Inelastic Displacement Demands for Bridges Under Seismic Load https://rip.trb.org/View/2512623 Fri, 21 Feb 2025 21:57:49 GMT https://rip.trb.org/View/2512623 Enhancing Seismic Design Strategies for Bridges: Leveraging Data-Driven Decision-Making through Shear Wave Velocity Testing and Site-Specific Ground Motion Response Analysis https://rip.trb.org/View/2480357 Wed, 01 Jan 2025 16:39:15 GMT https://rip.trb.org/View/2480357 Passive Force Behavior for Skewed Bridge Abutments During Combined Lateral and Rotational Loading https://rip.trb.org/View/2427634 Thu, 12 Sep 2024 17:01:49 GMT https://rip.trb.org/View/2427634 Retrofit Design of Seismically Deficient Bridges on and Over the Interstates and Parkways in Western Kentucky https://rip.trb.org/View/2417062 Mon, 12 Aug 2024 13:26:29 GMT https://rip.trb.org/View/2417062 Life-Cycle Seismic Resilience Assessment of Reinforced Concrete Bridges in Aggressive Environments https://rip.trb.org/View/2404033 Thu, 18 Jul 2024 15:31:42 GMT https://rip.trb.org/View/2404033 Seismic Vulnerability Appraisal of Bridges in Kentucky for Compliance With FHWA's 2022 Specifications https://rip.trb.org/View/2244518 Thu, 14 Sep 2023 08:49:33 GMT https://rip.trb.org/View/2244518 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