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/ Investigation of Using Higher Fines Backfill Materials in the Design and Construction of Mechanically Stabilized Earth Walls in Georgia https://rip.trb.org/View/2719309 Thu, 25 Jun 2026 09:44:45 GMT https://rip.trb.org/View/2719309 State of Practice for Specifying and Repairing Mechanically Stabilized Earth Walls https://rip.trb.org/View/2671985 Wed, 18 Feb 2026 11:23:26 GMT https://rip.trb.org/View/2671985 SPR-4951: Development of a Ground Penetrating Radar Based Testing Program for Mechanically Stabilized Earth Walls https://rip.trb.org/View/2553989 Thu, 15 May 2025 15:51:21 GMT https://rip.trb.org/View/2553989 Stabilizing Leaking Sand Behind MSE Walls https://rip.trb.org/View/2489964 Mon, 13 Jan 2025 14:59:11 GMT https://rip.trb.org/View/2489964 Evaluation of Chlorides on Soil and Structural Elements https://rip.trb.org/View/2431160 Mon, 16 Sep 2024 08:31:55 GMT https://rip.trb.org/View/2431160 MSE Retaining Wall Forensics Investigation https://rip.trb.org/View/2431157 Mon, 16 Sep 2024 07:52:30 GMT https://rip.trb.org/View/2431157 Resiliency of MSE Walls to Surge and Wave Loading https://rip.trb.org/View/2389222 Tue, 11 Jun 2024 07:33:41 GMT https://rip.trb.org/View/2389222 Synthesis of Information Related to Highway Practices. Topic 55-03. Asset Management Practices for Mechanically Stabilized Earth Walls https://rip.trb.org/View/2190457 Fri, 09 Jun 2023 12:31:35 GMT https://rip.trb.org/View/2190457 Update GEC-11 - Design and Construction of Mechanically Stabilized Earth (MSE) Walls and Reinforced Soil Slopes (RSS) https://rip.trb.org/View/2067978 Mon, 21 Nov 2022 16:26:19 GMT https://rip.trb.org/View/2067978 Deploy Guidance and Develop Training on MSE Wall Management Protocol https://rip.trb.org/View/2067977 Mon, 21 Nov 2022 16:26:18 GMT https://rip.trb.org/View/2067977 SPR-4715: Study on the Permissible Depth of Utilities under the MSE Walls and Means and Methods of Protecting the MSE Walls when the Permissible Depth cannot be Provided https://rip.trb.org/View/1998994 Tue, 26 Jul 2022 14:08:26 GMT https://rip.trb.org/View/1998994 RES2019-22: Geosynthetic Reinforced Soils for Bridge Approach Slab Support https://rip.trb.org/View/1851963 Tue, 11 May 2021 17:57:31 GMT https://rip.trb.org/View/1851963 SPR-4520: Development of an MSE Wall Construction Manual and Training Course https://rip.trb.org/View/1718353 Mon, 06 Jul 2020 09:52:18 GMT https://rip.trb.org/View/1718353 Behavior of Reinforced and Unreinforced Lightweight Cellular Concrete for Retaining Walls https://rip.trb.org/View/1632304 Sun, 30 Jun 2019 15:00:11 GMT https://rip.trb.org/View/1632304 SPR-4329: Verification Testing of MSE Wall Foundation Bearing Capacity Based on the DCPT https://rip.trb.org/View/1563540 Tue, 16 Oct 2018 11:25:00 GMT https://rip.trb.org/View/1563540