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/ Constructability of Concrete Materials Infused With Silica-Rich Biochar For Bridge Applications https://rip.trb.org/View/2633322 Tue, 02 Dec 2025 16:36:45 GMT https://rip.trb.org/View/2633322 Design Guidance and Best Practices for the Use of Light Fill https://rip.trb.org/View/2487315 Fri, 18 Jul 2025 10:36:48 GMT https://rip.trb.org/View/2487315 Feasibility Study of Local Waste Plastic Materials in Concrete https://rip.trb.org/View/2507252 Mon, 10 Feb 2025 14:17:44 GMT https://rip.trb.org/View/2507252 Development of Novel and Affordable Chip Seals for Maintenance and Pavement Preservation using Sustainable Materials https://rip.trb.org/View/2480349 Wed, 01 Jan 2025 15:56:19 GMT https://rip.trb.org/View/2480349 Surface Modification Approaches to Turn Waste Plastics into Beneficial Additive for Concrete https://rip.trb.org/View/2448626 Mon, 04 Nov 2024 16:07:38 GMT https://rip.trb.org/View/2448626 A framework to boost reactivity and consistency of agricultural residual ashes as a supplementary cementitious material https://rip.trb.org/View/2442008 Thu, 17 Oct 2024 11:11:54 GMT https://rip.trb.org/View/2442008 Advancing Sustainable Transportation with Innovative Near-Zero Carbon Emission Cement Derived from 100% Industrial Byproducts https://rip.trb.org/View/2441837 Thu, 17 Oct 2024 10:09:05 GMT https://rip.trb.org/View/2441837 Development Of Concrete Materials Infused With Biochar For Bridge Applications https://rip.trb.org/View/2404268 Sun, 21 Jul 2024 15:01:45 GMT https://rip.trb.org/View/2404268 Evaluation of Performance of Coal Ash in Florida Structural Concrete. https://rip.trb.org/View/2384733 Mon, 03 Jun 2024 14:19:48 GMT https://rip.trb.org/View/2384733 Permeability of Granular Materials, and Blended Salvaged Granular Materials https://rip.trb.org/View/2379666 Tue, 14 May 2024 14:44:48 GMT https://rip.trb.org/View/2379666 Replacing Fossil Fuel-Based Asphalt Binder with Sustainable Lignin Binder from Wastes https://rip.trb.org/View/2291282 Wed, 15 Nov 2023 17:17:02 GMT https://rip.trb.org/View/2291282 Evaluation of Bio-Inspired Water Treatment Plant Sludge Materials Through Mycelium https://rip.trb.org/View/2266623 Sat, 14 Oct 2023 07:18:59 GMT https://rip.trb.org/View/2266623 Developing Sustainable Waste Plastics Asphalt Roadway Construction https://rip.trb.org/View/2263563 Fri, 06 Oct 2023 18:56:13 GMT https://rip.trb.org/View/2263563 Bio-waste Materials as Supplementary Cementitious Materials for Coastal Concrete Applications https://rip.trb.org/View/2259932 Tue, 03 Oct 2023 15:07:40 GMT https://rip.trb.org/View/2259932 Synthesis of Information Related to Highway Practices. Topic 55-05. Use and Availability of Supplementary Cementitious Materials for Concrete https://rip.trb.org/View/2209729 Mon, 10 Jul 2023 21:12:39 GMT https://rip.trb.org/View/2209729