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/ Anchorage Design and Detailing for Fabric-Reinforced Cementitious Matrix Retrofits of Transportation Concrete Structures https://rip.trb.org/View/2691724 Sun, 12 Apr 2026 23:52:50 GMT https://rip.trb.org/View/2691724 Post-Installed Post-Tensioning Anchorages in Concrete Bridge Foundations https://rip.trb.org/View/2540176 Mon, 21 Apr 2025 08:19:04 GMT https://rip.trb.org/View/2540176 Grouted Post-Installed Concrete Anchorages https://rip.trb.org/View/2540175 Mon, 21 Apr 2025 08:11:45 GMT https://rip.trb.org/View/2540175 Anchorage Zone Reinforcement for Post-Tensioned Concrete Girders https://rip.trb.org/View/2448854 Mon, 04 Nov 2024 15:55:14 GMT https://rip.trb.org/View/2448854 Develop/Refine Design Provisions for Headed and Hooked Reinforcement https://rip.trb.org/View/2056301 Thu, 03 Nov 2022 16:48:28 GMT https://rip.trb.org/View/2056301 Seismic Performance and Fragility of Retrofitted Reinforced Concrete Bridge Columns to Long-Duration Earthquakes https://rip.trb.org/View/1856847 Sat, 05 Jun 2021 17:08:20 GMT https://rip.trb.org/View/1856847 Confinement Effect of Narrow Baseplates or Reaction Area on Anchor Breakout, Part 2 https://rip.trb.org/View/1849173 Mon, 26 Apr 2021 15:52:49 GMT https://rip.trb.org/View/1849173 Anchorage Zone Reinforcement of Post-Tensioned Box Girder Bridges https://rip.trb.org/View/1440834 Wed, 28 Dec 2016 11:39:36 GMT https://rip.trb.org/View/1440834 Development of Prefabricated Bridge Railings https://rip.trb.org/View/1398651 Mon, 22 Feb 2016 15:27:24 GMT https://rip.trb.org/View/1398651 Developing Girder Strands into the Cap Beam for a Positive Moment Connection https://rip.trb.org/View/1350428 Wed, 15 Apr 2015 01:00:43 GMT https://rip.trb.org/View/1350428 Use of Shallow Anchors and Anchored Mesh System for Cut Slope Protection in Ice-Rich Soils https://rip.trb.org/View/1307048 Thu, 24 Apr 2014 01:01:09 GMT https://rip.trb.org/View/1307048