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/ Stick & Scan: Perching Uncrewed Aerial System for Efficient In-Situ Non-Destructive Inspection of Transportation Infrastructure https://rip.trb.org/View/2622014 Tue, 11 Nov 2025 15:06:01 GMT https://rip.trb.org/View/2622014 SPR-5014: Polymeric Overlays Performance Assessment https://rip.trb.org/View/2601507 Thu, 18 Sep 2025 16:03:45 GMT https://rip.trb.org/View/2601507 Concrete Strength Sensing Using REBEL Sensors https://rip.trb.org/View/2595171 Tue, 02 Sep 2025 11:41:16 GMT https://rip.trb.org/View/2595171 Local Resonances-based NDE Technique for Rail Flaw Detection https://rip.trb.org/View/2572328 Tue, 08 Jul 2025 16:46:41 GMT https://rip.trb.org/View/2572328 Correlating In-situ Rapid Concrete Durability Test With Standardized Methods Via Pore Structure Analysis https://rip.trb.org/View/2549027 Sun, 04 May 2025 15:27:45 GMT https://rip.trb.org/View/2549027 NRRA: Establishing Applicability of NDT Methods for Project-Level Evaluation https://rip.trb.org/View/2434199 Thu, 26 Sep 2024 15:22:10 GMT https://rip.trb.org/View/2434199 SPR-4925: A Synthesis Study to Identify and Make Recommendations on The Appropriate Nondestructive Testing Tools for Bridge Beam Ends, Piers, Abutments https://rip.trb.org/View/2434096 Wed, 25 Sep 2024 09:12:34 GMT https://rip.trb.org/View/2434096 Phase II: Continuous Asphalt Mixture Compaction Assessment using Density Profiling System (DPS) https://rip.trb.org/View/2417093 Mon, 12 Aug 2024 15:46:42 GMT https://rip.trb.org/View/2417093 Investigation of Piezoelectric and Other Advanced Sensors in Concrete https://rip.trb.org/View/2398090 Fri, 28 Jun 2024 09:18:35 GMT https://rip.trb.org/View/2398090 Development of a Nondestructive Imaging Tool to Identify Deficiencies in External Tendons Containing Flexible Fillers https://rip.trb.org/View/2353363 Mon, 03 Jun 2024 14:50:07 GMT https://rip.trb.org/View/2353363 Development of Automated Non-Destructive Testing Equipment Incorporating Magnetic Based Technology and Ultrasound Technology Combined with Robotic and Artificial Intelligence for Accelerated Inspection of External Tendons https://rip.trb.org/View/2382064 Mon, 03 Jun 2024 14:25:52 GMT https://rip.trb.org/View/2382064 Fast and Efficient Welding Inspection of Structural Steel Using Adaptive Phased Array Ultrasonic NDT https://rip.trb.org/View/2342179 Wed, 21 Feb 2024 08:16:42 GMT https://rip.trb.org/View/2342179 Development of In-situ Fracture Toughness Evaluation for Bridge Safety https://rip.trb.org/View/2341566 Mon, 19 Feb 2024 16:38:45 GMT https://rip.trb.org/View/2341566 2295 ODOT Automated Bridge Survey https://rip.trb.org/View/2286453 Fri, 03 Nov 2023 11:56:27 GMT https://rip.trb.org/View/2286453 Long-Term Performance of Low Permeable Concrete for Structures https://rip.trb.org/View/2270038 Tue, 17 Oct 2023 19:21:04 GMT https://rip.trb.org/View/2270038