Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Development of In-situ Fracture Toughness Evaluation for Bridge Safety https://rip.trb.org/View/2341566 Mon, 19 Feb 2024 16:38:45 GMT https://rip.trb.org/View/2341566 Solar Energy Harvesting and Improved Road Monitoring and Assessment Tool (C22.2022) https://rip.trb.org/View/1994588 Fri, 15 Jul 2022 15:38:24 GMT https://rip.trb.org/View/1994588 Develop Countermeasure Strategies for Protecting Bridge Girders Against Overheight Vehicles Impact https://rip.trb.org/View/1867130 Mon, 19 Jul 2021 21:15:30 GMT https://rip.trb.org/View/1867130 Evaluate and Develop a Correlation between CoreLok and AASHTO T-85 for Determining the Specific Gravity and Absorption Properties of Coarse Aggregates in Idaho https://rip.trb.org/View/1757058 Thu, 10 Dec 2020 13:08:29 GMT https://rip.trb.org/View/1757058 Bio-Inspired Reusable Crash Cushions with Superior Energy-Absorbing Capacity https://rip.trb.org/View/1740336 Mon, 21 Sep 2020 16:10:51 GMT https://rip.trb.org/View/1740336 Use of Rejuvenator Prior to Chip Seal on Aged Flexible Pavement https://rip.trb.org/View/1472663 Fri, 30 Jun 2017 16:08:11 GMT https://rip.trb.org/View/1472663 National Cooperative Highway Research Program (NCHRP); Special Studies, Reviews, Conferences, and Special Projects https://rip.trb.org/View/1415608 Wed, 06 Jul 2016 13:34:36 GMT https://rip.trb.org/View/1415608 Workstation Tables https://rip.trb.org/View/1366789 Tue, 25 Aug 2015 14:12:48 GMT https://rip.trb.org/View/1366789 Characterization and Modeling of Photon Absorption in Asphalt Materials for Improved Accuracy and Consistency of Nuclear Density Measurement https://rip.trb.org/View/1356625 Fri, 05 Jun 2015 01:00:49 GMT https://rip.trb.org/View/1356625 Performance of Asphalt Binders Modified with Polyphosphoric Acid (PPA) https://rip.trb.org/View/1348836 Fri, 03 Apr 2015 01:00:39 GMT https://rip.trb.org/View/1348836 Material with Improved Absorption of Collision Forces for Railroad Cars https://rip.trb.org/View/1334967 Thu, 11 Dec 2014 01:00:54 GMT https://rip.trb.org/View/1334967 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 An Ionic Liquid/Refrigerant Absorption Refrigeration/Air Conditioning System for Increased Fuel Efficiency and Reduced Emissions https://rip.trb.org/View/1228250 Thu, 03 Jan 2013 13:17:25 GMT https://rip.trb.org/View/1228250 Factors that Contribute to Asphalt Absorption: Aggregates https://rip.trb.org/View/1227856 Thu, 03 Jan 2013 13:08:09 GMT https://rip.trb.org/View/1227856 Factors that Contribute to Asphalt Absorption: Asphalt Cements https://rip.trb.org/View/1227855 Thu, 03 Jan 2013 13:08:08 GMT https://rip.trb.org/View/1227855