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/ Utilizing historic geotechnical data for the development of state-specific design correlations - Part 1: Data Entry https://rip.trb.org/View/2607966 Thu, 09 Oct 2025 12:53:58 GMT https://rip.trb.org/View/2607966 Modernization of Borehole Drilling Data https://rip.trb.org/View/2560887 Tue, 03 Jun 2025 13:29:52 GMT https://rip.trb.org/View/2560887 SPR-4943: An Experimental Study into the Fatigue Strength and Ductility of Builtup Steel Members with Holes made using Plasma Cutting Methods https://rip.trb.org/View/2444810 Wed, 23 Oct 2024 14:12:11 GMT https://rip.trb.org/View/2444810 Residual Stress in Florida Bored Piles https://rip.trb.org/View/2353366 Mon, 03 Jun 2024 14:48:56 GMT https://rip.trb.org/View/2353366 Web-Based Tool to Advance Geotechnical Data Interchange and Reliability-Based Site Characterization https://rip.trb.org/View/2296662 Tue, 28 Nov 2023 10:41:30 GMT https://rip.trb.org/View/2296662 Impact of Bolt Holes on the Performance of Steel Girders https://rip.trb.org/View/2289610 Mon, 13 Nov 2023 18:03:58 GMT https://rip.trb.org/View/2289610 SPR-4841: Investigation into the Fatigue Strength and Ductility of Steel Plates with Holes made from Plasma Cutting Methods https://rip.trb.org/View/2238797 Thu, 31 Aug 2023 16:39:30 GMT https://rip.trb.org/View/2238797 Improved Geotechnical Site Characterization Using Measurement While Drilling https://rip.trb.org/View/1872015 Thu, 12 Aug 2021 12:19:37 GMT https://rip.trb.org/View/1872015 Development of In-Situ Cyclic Borehole Shear Soil Test Device https://rip.trb.org/View/1664454 Mon, 04 Nov 2019 21:02:36 GMT https://rip.trb.org/View/1664454 Adaptive, predictive 3D geologic modeling for hard rock tunneling (UTI-UTC 01) https://rip.trb.org/View/1500822 Fri, 16 Feb 2018 16:19:35 GMT https://rip.trb.org/View/1500822