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/ Innovative Evaluation of Prestressed Concrete Box Beam Bridge Designs https://rip.trb.org/View/2325392 Fri, 19 Jan 2024 13:08:24 GMT https://rip.trb.org/View/2325392 3D Printed Advanced Materials to Mitigate Prestressed Concrete Girder End Cracks https://rip.trb.org/View/2250454 Mon, 18 Sep 2023 22:06:36 GMT https://rip.trb.org/View/2250454 Evaluating Prestressed Concrete Beams with Cracks using Machine Learning https://rip.trb.org/View/2250379 Mon, 18 Sep 2023 22:04:55 GMT https://rip.trb.org/View/2250379 Precast Ductile End-Diaphragm System for Accelerated Construction of Slab-On-Girder Prestressed Concrete Bridges in Seismic Regions https://rip.trb.org/View/2221113 Mon, 31 Jul 2023 00:17:08 GMT https://rip.trb.org/View/2221113 2316 Solving the Riddle of End Regions - and Holistically Address the Performance of PC Girder Bridges Including Design, Sustainability and Rating https://rip.trb.org/View/2083659 Mon, 12 Dec 2022 15:56:53 GMT https://rip.trb.org/View/2083659 Over-height vehicle impact with bridge girders having different boundary conditions https://rip.trb.org/View/1945931 Sat, 30 Apr 2022 11:43:46 GMT https://rip.trb.org/View/1945931 A Study of Re-Decking Prestressed Girders Phase 1: State of Practice and Preliminary Analysis Recommendations https://rip.trb.org/View/1902217 Fri, 07 Jan 2022 12:54:36 GMT https://rip.trb.org/View/1902217 Performance of Prestressed Bridge Girders Subjected to Vehicle Impacts https://rip.trb.org/View/1887304 Fri, 22 Oct 2021 14:20:17 GMT https://rip.trb.org/View/1887304 Revised Load Rating Procedures for Deteriorated Prestressed Concrete Beams https://rip.trb.org/View/1877742 Fri, 10 Sep 2021 13:17:11 GMT https://rip.trb.org/View/1877742 Identification of Maintenance Practices to Impede Corrosion Impacts on Prestressed Concrete Box Beam Bridges https://rip.trb.org/View/1875088 Fri, 27 Aug 2021 06:54:54 GMT https://rip.trb.org/View/1875088 Harkers Island Bridge Replacement: Material Characterization and Structural Performance https://rip.trb.org/View/1871715 Wed, 11 Aug 2021 08:45:13 GMT https://rip.trb.org/View/1871715 SPR-4532: Synthesis Study: Repair and Durability of Fire Damaged Prestressed Concrete Bridge Girders https://rip.trb.org/View/1854524 Wed, 26 May 2021 11:47:34 GMT https://rip.trb.org/View/1854524 Assessment and Repair of Prestressed Bridge Girders Subjected to Over-Height Truck Impacts (OHTI) https://rip.trb.org/View/1738102 Thu, 10 Sep 2020 10:54:48 GMT https://rip.trb.org/View/1738102 Residual Capacity of Precast Prestressed Concrete (PPC) Deck Beams with Transverse Cracks https://rip.trb.org/View/1729228 Fri, 14 Aug 2020 11:21:51 GMT https://rip.trb.org/View/1729228 Assessments of Cracks in Hollow Prestressed Concrete Bridge Cylinder Piles https://rip.trb.org/View/1715596 Mon, 22 Jun 2020 12:13:43 GMT https://rip.trb.org/View/1715596