Research in Progress (RIP) https://rip.trb.org/ en-us Copyright © 2024. 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/ Beyond Technological Optimism: Digital divide between older adults’ mobility needs vs. available technology solutions at varying urban densities https://rip.trb.org/View/2265840 Thu, 19 Oct 2023 16:34:55 GMT https://rip.trb.org/View/2265840 Evaluation of Nuclear Density Gauge to Perform QA/QC on a Base Material Containing RAP https://rip.trb.org/View/2209751 Tue, 11 Jul 2023 10:33:08 GMT https://rip.trb.org/View/2209751 Liquefied Natural Gas Tanks Without Bottom Fill https://rip.trb.org/View/2093139 Tue, 03 Jan 2023 13:53:17 GMT https://rip.trb.org/View/2093139 Validating Non-Destructive Evaluation (NDE) for Density Assessment https://rip.trb.org/View/2085733 Fri, 16 Dec 2022 14:15:29 GMT https://rip.trb.org/View/2085733 Development of a Compaction Quality Control Standard for the Small Diameter Pressuremeter https://rip.trb.org/View/2071681 Tue, 29 Nov 2022 08:56:59 GMT https://rip.trb.org/View/2071681 SPR-4716: Lessening Density Requirement and Adjusting Density Pay Factors for Asphalt Pavements in Poor Sublayer Conditions https://rip.trb.org/View/2059468 Fri, 11 Nov 2022 09:29:42 GMT https://rip.trb.org/View/2059468 Determination of In-situ Rock Density and Strength with SH-Love Wave Tomography https://rip.trb.org/View/2058569 Tue, 08 Nov 2022 07:39:43 GMT https://rip.trb.org/View/2058569 Evaluation of a Field and Lab-Based Density Profiling System for Asphalt Pavement Density Measurement https://rip.trb.org/View/2026989 Thu, 22 Sep 2022 09:24:46 GMT https://rip.trb.org/View/2026989 Evaluation of Non-Destructive Test Pilot Projects https://rip.trb.org/View/2011437 Tue, 23 Aug 2022 12:08:00 GMT https://rip.trb.org/View/2011437 Effect of Longitudinal Joint Construction and Density on Asphalt Pavement Performance- Phase I – State of the Practice https://rip.trb.org/View/2011436 Tue, 23 Aug 2022 11:59:50 GMT https://rip.trb.org/View/2011436 Long‐term Transportation Management Strategies in the Context of Low‐density Development at the Urban Fringe https://rip.trb.org/View/2006263 Fri, 12 Aug 2022 13:22:03 GMT https://rip.trb.org/View/2006263 Grade Crossing Accident Risk Modeling https://rip.trb.org/View/1890484 Sat, 06 Nov 2021 02:32:42 GMT https://rip.trb.org/View/1890484 Establish Performance-Based Acceptable Lab-Molded Density Range for Mix Design and QC/QA https://rip.trb.org/View/1879814 Wed, 22 Sep 2021 16:42:03 GMT https://rip.trb.org/View/1879814 Reconstructing Fundamental Diagrams of Heterogeneous Traffic from Trajectory Data https://rip.trb.org/View/1870402 Wed, 04 Aug 2021 14:34:35 GMT https://rip.trb.org/View/1870402 Evaluation of Granular Density and Moisture Testing https://rip.trb.org/View/1852212 Thu, 13 May 2021 08:53:43 GMT https://rip.trb.org/View/1852212