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/ Applications of data science and big data analytics in underground transportation infrastructure (UTI-UTC 02) https://rip.trb.org/View/2543307 Wed, 07 May 2025 19:00:43 GMT https://rip.trb.org/View/2543307 Developing Machine Learning (ML) Techniques to Predict Tunnel Performance and Stability (UTI-UTC 09) https://rip.trb.org/View/2543317 Wed, 07 May 2025 18:57:00 GMT https://rip.trb.org/View/2543317 Experimental Investigation of Rockburst Phenomenon in Tunnels Using a True-triaxial Apparatus (UTI-UTC 15) https://rip.trb.org/View/2543410 Wed, 07 May 2025 18:43:38 GMT https://rip.trb.org/View/2543410 Incorporating Spatial Uncertainty to Advance the Practice of Site-Investigations, Geological-Geotechnical Characterization and TBM Performance Prediction (UTI-UTC 24) https://rip.trb.org/View/2543418 Wed, 07 May 2025 17:56:20 GMT https://rip.trb.org/View/2543418 Mechanical Characterizations of Joints in Segmented Tunnel Liners Due to Flexural and Thrust Jack Loading (UTI-UTC 28) https://rip.trb.org/View/2543421 Wed, 07 May 2025 17:37:37 GMT https://rip.trb.org/View/2543421 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 TBM Tunnel Liner Design Guidelines https://rip.trb.org/View/2100885 Wed, 18 Jan 2023 11:17:31 GMT https://rip.trb.org/View/2100885 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 Geotechnical Database, Phase IV https://rip.trb.org/View/1768549 Mon, 08 Feb 2021 15:28:22 GMT https://rip.trb.org/View/1768549 DC Resistivity for model Tunnel Boring Machines (TBM) in laboratory environment (UTI-UTC 08) https://rip.trb.org/View/1458193 Mon, 29 Jan 2018 12:20:28 GMT https://rip.trb.org/View/1458193 Update the Pile Design by CPT Software to Incorporate Newly Developed Pile-CPT Methods and Other Design Features https://rip.trb.org/View/1464356 Wed, 12 Apr 2017 10:51:54 GMT https://rip.trb.org/View/1464356