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/ 3D-Printed Lattice-Based Structures for Next Generation Bridge Bearings and Bridge Isolation Bearings https://rip.trb.org/View/2714398 Mon, 15 Jun 2026 15:23:59 GMT https://rip.trb.org/View/2714398 Use of Stainless-Steel Bridge Bearings for Steel Girder Bridges https://rip.trb.org/View/2701238 Wed, 13 May 2026 09:16:27 GMT https://rip.trb.org/View/2701238 Design and Testing of High-Load Multi-Rotational Disc Bearings for Bridges https://rip.trb.org/View/2669883 Mon, 16 Feb 2026 18:46:02 GMT https://rip.trb.org/View/2669883 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 Effect of Long-Term Inactivity on Railcar Bearing Lubricant and Seal Function https://rip.trb.org/View/2574620 Mon, 14 Jul 2025 18:59:30 GMT https://rip.trb.org/View/2574620 Comparison of Onboard Condition Monitoring System Mounting Location for Freight Railcar Bearing Defect Detection Using Vibration Signatures https://rip.trb.org/View/2574768 Mon, 14 Jul 2025 18:51:56 GMT https://rip.trb.org/View/2574768 FAST® Loop Comparison of Onboard Condition Monitoring Versus Wayside Detection Systems https://rip.trb.org/View/2405271 Mon, 22 Jul 2024 08:12:35 GMT https://rip.trb.org/View/2405271 Ultrasonic Inspection of Reconditioned Railroad Bearing Components – Year 2 https://rip.trb.org/View/2405275 Mon, 22 Jul 2024 08:09:13 GMT https://rip.trb.org/View/2405275 Effect of Long-Term Inactivity on Railcar Bearing Lubricant Performance https://rip.trb.org/View/2405270 Mon, 22 Jul 2024 07:59:31 GMT https://rip.trb.org/View/2405270 Assessment and Evaluation of Post-Liquefaction Lateral Spread Impact on Bridge Deep Foundations https://rip.trb.org/View/1855320 Fri, 28 May 2021 19:05:29 GMT https://rip.trb.org/View/1855320 Low Temperature Performance of a Friction Pendulum Bearing Inundated with Ice https://rip.trb.org/View/1669407 Wed, 27 Nov 2019 17:25:48 GMT https://rip.trb.org/View/1669407 Analysis of Isolated Girder and Bearing Movement on Lowndes County Bridge https://rip.trb.org/View/1522932 Tue, 10 Jul 2018 09:09:56 GMT https://rip.trb.org/View/1522932