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/ Ultrasonic Inspection of Reconditioned Railroad Bearing Components – Year 3 https://rip.trb.org/View/2574196 Mon, 14 Jul 2025 19:01:11 GMT https://rip.trb.org/View/2574196 Experimental Determination of Crack Growth in Rails Subjected to Long-Term Cyclic Fatigue Loading https://rip.trb.org/View/2573184 Mon, 14 Jul 2025 13:01:56 GMT https://rip.trb.org/View/2573184 Fatigue Resistance of Fluted Lighting Poles https://rip.trb.org/View/2100874 Wed, 18 Jan 2023 11:17:25 GMT https://rip.trb.org/View/2100874 Residual cable strength fatigue testing https://rip.trb.org/View/2096580 Fri, 13 Jan 2023 14:49:23 GMT https://rip.trb.org/View/2096580 Fatigue Characterization of Galvanized Welded Connections https://rip.trb.org/View/2015225 Tue, 30 Aug 2022 17:27:47 GMT https://rip.trb.org/View/2015225 Gene expression patterns in response to modafinil as countermeasure to sleep deprivation https://rip.trb.org/View/1943806 Mon, 25 Apr 2022 13:37:33 GMT https://rip.trb.org/View/1943806 Comparison Across Multiple Types of Sleep Deprivation https://rip.trb.org/View/1943796 Mon, 25 Apr 2022 10:11:42 GMT https://rip.trb.org/View/1943796 CT Girder with FRP Shear Studs – Strength & Fatigue Testing https://rip.trb.org/View/1895371 Fri, 03 Dec 2021 13:27:22 GMT https://rip.trb.org/View/1895371 Development of a Fatigue Testing Protocol for Asphalt Mixture Using Hamburg Wheel Tracking Device https://rip.trb.org/View/1868890 Tue, 27 Jul 2021 11:43:39 GMT https://rip.trb.org/View/1868890 Material Characteristics of Cu-Based Superelastic Alloys for Applications in Bridge Columns to Improve Seismic Performance https://rip.trb.org/View/1599217 Mon, 08 Apr 2019 17:40:45 GMT https://rip.trb.org/View/1599217 Application of Engineered Cementitious Composites (ECCs) for Jointless Ultrathin White-Topping Overlay https://rip.trb.org/View/1505362 Fri, 23 Mar 2018 06:19:55 GMT https://rip.trb.org/View/1505362 Simple Fatigue Test for Thin Overlays https://rip.trb.org/View/1504885 Sun, 11 Mar 2018 11:04:00 GMT https://rip.trb.org/View/1504885 Crash Risks by Commercial Motor Vehicle (CMV) Driver Schedules, Phase II https://rip.trb.org/View/1497905 Wed, 17 Jan 2018 09:31:38 GMT https://rip.trb.org/View/1497905