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/ SPR-4841: Investigation into the Fatigue Strength and Ductility of Steel Plates with Holes made from Plasma Cutting Methods https://rip.trb.org/View/2238797 Thu, 31 Aug 2023 16:39:30 GMT https://rip.trb.org/View/2238797 Use of Toughened Epoxies to Fill Gaps Between Plates for Steel Bridge Construction https://rip.trb.org/View/2100880 Wed, 18 Jan 2023 11:17:28 GMT https://rip.trb.org/View/2100880 Investigation of Dual Grade / Hybrid Steel Plate Girders Utilizing Stainless Steel https://rip.trb.org/View/1905195 Fri, 21 Jan 2022 18:54:37 GMT https://rip.trb.org/View/1905195