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/ Finding the Bed Shear Stress Using the Logarithmic Law at Channel Roughness Transitions https://rip.trb.org/View/2672767 Mon, 23 Feb 2026 13:58:52 GMT https://rip.trb.org/View/2672767 COLLABORATIVE: Quantifying erosion and load transfer mechanisms of geosynthetic reinforced coastal pavement subgrades and embankments during inundation events (TAMU/TXST) https://rip.trb.org/View/2663227 Sat, 31 Jan 2026 11:12:55 GMT https://rip.trb.org/View/2663227 Development of new design guidelines for protection against erosion at bridge piers and estimating effects of pressurized flow on erosion potential https://rip.trb.org/View/2627350 Wed, 19 Nov 2025 14:27:06 GMT https://rip.trb.org/View/2627350 In-Stream Vegetation as a Nature-Based Approach to Scour Control at Bridge Crossings https://rip.trb.org/View/2627352 Wed, 19 Nov 2025 14:20:41 GMT https://rip.trb.org/View/2627352 Scour Critical Shear Stress of Ohio Soils https://rip.trb.org/View/2601291 Wed, 17 Sep 2025 08:35:07 GMT https://rip.trb.org/View/2601291 SPR-4844: Analysis of DownDrag Loads Using the Neutral Plan Method https://rip.trb.org/View/2232902 Thu, 24 Aug 2023 15:20:58 GMT https://rip.trb.org/View/2232902 Development of new design guidelines for protection against erosion at bridge abutments - Phase V https://rip.trb.org/View/1945932 Sat, 30 Apr 2022 11:42:25 GMT https://rip.trb.org/View/1945932 Predicting Critical Shear Stress of Cohesive Sediments/Soils in Riverbeds https://rip.trb.org/View/1902211 Fri, 07 Jan 2022 12:17:19 GMT https://rip.trb.org/View/1902211 Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments - Phase IV https://rip.trb.org/View/1867086 Mon, 19 Jul 2021 22:43:22 GMT https://rip.trb.org/View/1867086 Design of Stud Shear Connectors in Composite Steel Bridges https://rip.trb.org/View/1854195 Thu, 27 May 2021 19:26:59 GMT https://rip.trb.org/View/1854195 Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments - Phase III https://rip.trb.org/View/1685056 Thu, 16 Apr 2020 16:03:32 GMT https://rip.trb.org/View/1685056 Effects of Downdrag on Pile Performance https://rip.trb.org/View/1697662 Tue, 14 Apr 2020 14:19:13 GMT https://rip.trb.org/View/1697662 Development of New Design Guidelines for Protection Against Erosion at Bridge Abutments and Embankments – Phase II https://rip.trb.org/View/1581040 Thu, 31 Jan 2019 10:22:37 GMT https://rip.trb.org/View/1581040 Creep and Shrinkage Effects On Columns https://rip.trb.org/View/1441771 Wed, 04 Jan 2017 10:51:59 GMT https://rip.trb.org/View/1441771