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/ Reassessing the Subsurface Conditions and the Durability of Buried Foundation Elements at a Texas National Geotechnical Experimentation Site https://rip.trb.org/View/2780471 Wed, 23 Sep 2026 18:20:03 GMT https://rip.trb.org/View/2780471 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 Quantifying Impact of Soil Strength Degradation on Long-term Slope Stability https://rip.trb.org/View/2703925 Tue, 19 May 2026 13:42:12 GMT https://rip.trb.org/View/2703925 Physical model to study tunnel squeezing under true-triaxial stress state (UTI-UTC 30) https://rip.trb.org/View/2543423 Wed, 07 May 2025 17:23:12 GMT https://rip.trb.org/View/2543423 Resilience Assessment of Tunnels Exposed to Blast (UTI-UTC 33) https://rip.trb.org/View/2543426 Wed, 07 May 2025 17:10:59 GMT https://rip.trb.org/View/2543426 Simplified Calculation of Liner and Soil Deformations in Tunnels Subjected to Internal Explosions (UTI-UTC 34) https://rip.trb.org/View/2543427 Wed, 07 May 2025 17:05:05 GMT https://rip.trb.org/View/2543427 Understanding cross passage ground-structure interaction using data from the Seattle Northgate Link transit extension project (UTI-UTC 39) https://rip.trb.org/View/2543429 Wed, 07 May 2025 16:51:41 GMT https://rip.trb.org/View/2543429 Incorporation of Gasket Selection and Damage Accumulation in to Pipe Selection Software https://rip.trb.org/View/2422893 Thu, 29 Aug 2024 07:54:08 GMT https://rip.trb.org/View/2422893 Accelerated Foundation Repair/retrofits For Capacity Upgradation And Strengthening https://rip.trb.org/View/2404261 Sun, 21 Jul 2024 14:54:37 GMT https://rip.trb.org/View/2404261 Development of P-Y Curves for Analysis of Laterally Loaded Piles in Montana https://rip.trb.org/View/1860238 Thu, 17 Jun 2021 16:08:59 GMT https://rip.trb.org/View/1860238 Quantitative Assessment of Soil-Structure Interaction (SSI) Effects on Seismic Performance of Bridges with ABC Connections https://rip.trb.org/View/1694130 Fri, 20 Mar 2020 19:30:51 GMT https://rip.trb.org/View/1694130 Economic Pier-to-Pile Connections for Permanently Cased Shaft (CFST) Piles https://rip.trb.org/View/1689224 Mon, 24 Feb 2020 17:05:16 GMT https://rip.trb.org/View/1689224 New Seismic-Resisting Connections for Concrete-Filled Tube Components In High-Speed Rail Systems https://rip.trb.org/View/1677121 Mon, 06 Jan 2020 14:00:22 GMT https://rip.trb.org/View/1677121 New Sesimic-Resisting Connections or Concrete-Filled Tube Components In High-Speed Rail System https://rip.trb.org/View/1547346 Fri, 05 Jul 2019 15:34:37 GMT https://rip.trb.org/View/1547346 New Sesimic-Resisting Connections or Concrete-Filled Tube Components In High-Speed Rail Systems https://rip.trb.org/View/1547447 Sat, 22 Sep 2018 20:22:43 GMT https://rip.trb.org/View/1547447