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/ Construction & Early Performance of Rapid Strength Cement Concrete Mixture in MnROAD Test Cell 2437 https://rip.trb.org/View/2703791 Fri, 15 May 2026 16:40:13 GMT https://rip.trb.org/View/2703791 Development of Multifunctional Cementitious Composites with Tailored Pore Structures for Intelligent Infrastructure Applications https://rip.trb.org/View/2696035 Sat, 25 Apr 2026 12:31:31 GMT https://rip.trb.org/View/2696035 Comparison of Sample Size and Curing time on Concrete Performance https://rip.trb.org/View/2672004 Wed, 18 Feb 2026 14:28:52 GMT https://rip.trb.org/View/2672004 Lightweight, Durable, and Cost-Effective: Advancing Voided Concrete Technology with Engineered Cementitious Composites https://rip.trb.org/View/2646966 Tue, 06 Jan 2026 17:19:21 GMT https://rip.trb.org/View/2646966 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 Development Of Ultra High performance Concrete With Low-Density Flexible Fibers For Bridge Applications https://rip.trb.org/View/2633323 Tue, 02 Dec 2025 15:26:19 GMT https://rip.trb.org/View/2633323 Investigation of Piezoelectric and Other Advanced Sensors in Concrete https://rip.trb.org/View/2398090 Fri, 28 Jun 2024 09:18:35 GMT https://rip.trb.org/View/2398090 Unveiling synergistic effects of Nano-modification and CO2 curing on the durability and carbon footprint of precast elements https://rip.trb.org/View/2250459 Mon, 18 Sep 2023 22:15:21 GMT https://rip.trb.org/View/2250459 Investigation of Poor Compressive Strength and Performance of A45 Structural Concrete Mixes https://rip.trb.org/View/2021851 Mon, 12 Sep 2022 17:21:18 GMT https://rip.trb.org/View/2021851 Beneficiation of High Sulfur Fly Ashes and Quarry Fines for Sustainable Ternary Concrete Mixtures https://rip.trb.org/View/1925911 Fri, 11 Mar 2022 09:19:39 GMT https://rip.trb.org/View/1925911 Permeability Reduction of Restrained Concrete in a Chloride-Rich Environment – Phase I https://rip.trb.org/View/1883835 Fri, 08 Oct 2021 09:01:45 GMT https://rip.trb.org/View/1883835 Compaction Multimeter https://rip.trb.org/View/1751179 Wed, 11 Nov 2020 09:39:06 GMT https://rip.trb.org/View/1751179 Evaluation of Sustainable and Environmentally Friendly Stabilization of Cohesionless Sandy Soil for Transportation Infrastructure https://rip.trb.org/View/1751144 Tue, 10 Nov 2020 19:54:19 GMT https://rip.trb.org/View/1751144 SPR-4513: Determining Optimal Traffic Opening Time through Concrete Strength Monitoring – Wireless Sensing https://rip.trb.org/View/1718347 Mon, 06 Jul 2020 08:59:48 GMT https://rip.trb.org/View/1718347 A New Method of Determining Payment for In-Place Concrete with Double-Bounded Compressive Strength Pay Factors (C9.2019) https://rip.trb.org/View/1683438 Fri, 07 Feb 2020 19:37:59 GMT https://rip.trb.org/View/1683438