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 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