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/ SPR-5036: Development of Direct CPT-Based Pile Design Method https://rip.trb.org/View/2576634 Tue, 15 Jul 2025 15:42:32 GMT https://rip.trb.org/View/2576634 Measuring Rebound and Evaluating Pile Resistance During Installation Using Ultra-High Speed/Resolution Photogrammetry https://rip.trb.org/View/2553997 Fri, 16 May 2025 07:26:56 GMT https://rip.trb.org/View/2553997 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 Driving Assessment of UHPC Piles https://rip.trb.org/View/2382083 Mon, 03 Jun 2024 14:24:04 GMT https://rip.trb.org/View/2382083 Evaluation of GFRP Spirals in Corrosion Resistant Concrete Piles https://rip.trb.org/View/2250474 Tue, 19 Sep 2023 07:48:52 GMT https://rip.trb.org/View/2250474 Comprehensive Field Load Test and Geotechnical Investigation Program for Development of LRFD Recommendations of Driven Piles on Intermediate GeoMaterials https://rip.trb.org/View/1632292 Tue, 02 Jul 2019 16:11:09 GMT https://rip.trb.org/View/1632292 Evaluation of Glass Fiber Reinforced Polymers (GFRP) Spirals in Corrosion Resistant Concrete Piles https://rip.trb.org/View/1575826 Fri, 21 Dec 2018 14:56:17 GMT https://rip.trb.org/View/1575826 Development of a Setup Prediction Method and Implementation into LRFD Driven Pile Design in Mississippi soils https://rip.trb.org/View/1508232 Mon, 09 Apr 2018 13:58:44 GMT https://rip.trb.org/View/1508232 Pile Driving Setup for Ohio Soils https://rip.trb.org/View/1486355 Tue, 24 Oct 2017 11:19:13 GMT https://rip.trb.org/View/1486355 HG-3: Research to Improve Reliability of Capacity Determination for Large Diameter Driven Piles https://rip.trb.org/View/1370866 Thu, 01 Oct 2015 16:02:27 GMT https://rip.trb.org/View/1370866 Pile Driving Noise Attenuation https://rip.trb.org/View/1350435 Wed, 15 Apr 2015 01:00:53 GMT https://rip.trb.org/View/1350435 A Peer Exchange and Review of Deep Foundation Testing Methodologies at Caltrans https://rip.trb.org/View/1234065 Thu, 03 Jan 2013 15:06:12 GMT https://rip.trb.org/View/1234065 Development and Validation of a Predictive Settlement Model for Pile Driving in Silts https://rip.trb.org/View/1232048 Thu, 03 Jan 2013 14:30:59 GMT https://rip.trb.org/View/1232048