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/ Clay and Shale LRFD Design Criteria for Drilled Shaft Foundations https://rip.trb.org/View/2604567 Mon, 29 Sep 2025 16:35:38 GMT https://rip.trb.org/View/2604567 Developing Specifications for Shale Breakdown https://rip.trb.org/View/2490022 Mon, 13 Jan 2025 15:12:40 GMT https://rip.trb.org/View/2490022 A Study of Intermediate Geomaterials and Highly Erodible Rock https://rip.trb.org/View/1902216 Fri, 07 Jan 2022 12:43:28 GMT https://rip.trb.org/View/1902216 Analysis of Environmental, Economic, and Infrastructure Impacts of Transportation Activities Associated with High Volume Horizontal Hydraulic Fracturing Operations in the Marcellus Shale Formation Using the Geospatial Intermodal Freight Transport (GIFT) https://rip.trb.org/View/1263983 Tue, 01 Oct 2013 02:48:28 GMT https://rip.trb.org/View/1263983