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/ Bracing for Impact: Developing Steel-Concrete Sandwich Panel Retrofits for Increased Bridge Pier Protection https://rip.trb.org/View/2499034 Wed, 29 Jan 2025 17:03:45 GMT https://rip.trb.org/View/2499034 Effects of Moisture Diffusion in Sandwich Composites https://rip.trb.org/View/1532645 Thu, 16 Aug 2018 10:45:59 GMT https://rip.trb.org/View/1532645 Development and Evaluation of Fracture Mechanics Test Methods for Sandwich Composites https://rip.trb.org/View/1532107 Wed, 15 Aug 2018 09:16:11 GMT https://rip.trb.org/View/1532107 Functionally Graded Biomimetic Energy Absorption Concept Development for Transportation Systems https://rip.trb.org/View/1301295 Fri, 07 Mar 2014 01:01:31 GMT https://rip.trb.org/View/1301295