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/ Evaluation of UHPC Shell Stay-in-Place Formwork and BCSA Cement Concrete Prestressed Girders https://rip.trb.org/View/2646949 Tue, 06 Jan 2026 09:02:05 GMT https://rip.trb.org/View/2646949 Test Methods for Joint Fabrics Used in Precast Concrete Adjacent Member Beam Connections https://rip.trb.org/View/2592103 Thu, 21 Aug 2025 12:36:44 GMT https://rip.trb.org/View/2592103 Fast Running Application for Evaluating Fire Resilience of Tunnel Systems (UTI-UTC 17) https://rip.trb.org/View/2543412 Wed, 07 May 2025 18:24:28 GMT https://rip.trb.org/View/2543412 Accelerated Bridge Construction (ABC) Methods for Pile-Footing-Column Systems https://rip.trb.org/View/2509057 Wed, 12 Feb 2025 18:34:48 GMT https://rip.trb.org/View/2509057 3D Printed Smart Permanent Concrete Formwork for Precast Structural Component https://rip.trb.org/View/2491000 Wed, 22 Jan 2025 12:05:34 GMT https://rip.trb.org/View/2491000 IFC-based BIM for Robotic Installation of Precast Bridge Components https://rip.trb.org/View/2491002 Wed, 22 Jan 2025 12:01:37 GMT https://rip.trb.org/View/2491002 Continuous & Low-cost Inspection of Precast Concrete Bridges using Connected Automated Vehicles (CAVs) https://rip.trb.org/View/2491004 Wed, 22 Jan 2025 11:58:47 GMT https://rip.trb.org/View/2491004 Precast concrete with self-powering defrosting capability https://rip.trb.org/View/2491005 116,800 people are injured in vehicle crashes on snowy or icy pavement annually. Snow and ice increase road maintenance costs. Winter road maintenance accounts for ~20% of State DOT maintenance budgets. State and local agencies spend more than $2.3 billion on snow and ice control operations annually. Each year, these road agencies also spend millions of dollars to repair infrastructure damage caused by snow and ice. This exploratory project is aimed at developing precast concrete with self-powering defrosting capability. Defrosting capability has long been shown to be effective in cement-based materials by resistance (Joule) heating, provided that conductive admixtures are used to reduce the resistivity. Short carbon fiber is the most cost-effective conductive admixture to greatly lower the resistivity, so that resistance heating becomes effective. Short steel microfiber is even more effective than short carbon fiber, but it is much higher in price. ]]> Wed, 22 Jan 2025 11:56:11 GMT https://rip.trb.org/View/2491005 Climate-Informed, Data-Driven Precast Concrete Bridge Condition Modeling for Future-Proof Transportation Infrastructure https://rip.trb.org/View/2491006 Wed, 22 Jan 2025 11:53:36 GMT https://rip.trb.org/View/2491006 Advancing Durability in Transportation Infrastructure through Practical Implementation of Thermal Prestressing https://rip.trb.org/View/2491019 Wed, 22 Jan 2025 11:45:28 GMT https://rip.trb.org/View/2491019 IoT-Driven Digital Twin Framework for the Design and Fabrication of Precast Elements https://rip.trb.org/View/2491026 Wed, 22 Jan 2025 11:38:38 GMT https://rip.trb.org/View/2491026 Automated Quality Assessment of Precast Members using Lidar and Augmented Reality https://rip.trb.org/View/2480359 Wed, 01 Jan 2025 17:01:06 GMT https://rip.trb.org/View/2480359 Delamination of Partial-Depth Panels in Concrete Bridge Decks: Inspection and Repair https://rip.trb.org/View/2445324 Sun, 27 Oct 2024 15:07:58 GMT https://rip.trb.org/View/2445324 Determine Feasibility and Efficacy of Hollow Precast Straddle Bents https://rip.trb.org/View/2437679 Thu, 03 Oct 2024 09:51:25 GMT https://rip.trb.org/View/2437679 Develop Concrete Girder Splice Details with Application of Ultra-High-Performance Fiber-Reinforced Concrete (UHP-FRC) https://rip.trb.org/View/2420087 Fri, 23 Aug 2024 10:44:09 GMT https://rip.trb.org/View/2420087