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/ Determination of Test Methods to Quantify the Effects of Organic and Inorganic Constituents in Silica Sand Used for Construction https://rip.trb.org/View/2698276 Fri, 01 May 2026 07:34:22 GMT https://rip.trb.org/View/2698276 Study of Real-Time Concrete Strength Measurements and Monitoring Systems that Conform to AASHTO T-412-24 for Use in Materials Testing Which Will Provide Cost Savings and Reduce Waste https://rip.trb.org/View/2687354 Wed, 01 Apr 2026 17:10:04 GMT https://rip.trb.org/View/2687354 Statistical Evaluation of Illinois Modified AASHTO T161 Freeze–Thaw Testing Following Laboratory Relocation https://rip.trb.org/View/2686616 Wed, 01 Apr 2026 09:41:33 GMT https://rip.trb.org/View/2686616 Innovative Materials for Improved Roadway Mobility and Drainage Efficiency https://rip.trb.org/View/2677558 Wed, 04 Mar 2026 13:53:43 GMT https://rip.trb.org/View/2677558 Efficient Construction Material Testing and Inspection Based on Risk Levels https://rip.trb.org/View/2533743 Tue, 01 Apr 2025 08:45:48 GMT https://rip.trb.org/View/2533743 Materials-Based Methods to Improve Rumble Strip Durability https://rip.trb.org/View/2414317 Fri, 09 Aug 2024 11:45:36 GMT https://rip.trb.org/View/2414317 ME Guide: E* Model from Single Point Tests Results, Phase III: Development of Low-temperature, High-frequency Relations https://rip.trb.org/View/2329540 Fri, 26 Jan 2024 14:53:34 GMT https://rip.trb.org/View/2329540 System Design for Highly Accurate and Efficient Target Detection in Triaxial Testing https://rip.trb.org/View/2289621 Tue, 14 Nov 2023 20:26:03 GMT https://rip.trb.org/View/2289621 Characterization of Combined Environmental Effects on Bituminous Paving Materials https://rip.trb.org/View/2262757 Fri, 06 Oct 2023 10:21:41 GMT https://rip.trb.org/View/2262757 Comprehending the Structural Performance and Examining Potential Field Applications of Sileto, as a New Material https://rip.trb.org/View/2221104 Sun, 30 Jul 2023 21:28:23 GMT https://rip.trb.org/View/2221104 New Performance Approach to Evaluate ASR in Concrete https://rip.trb.org/View/2215649 Thu, 20 Jul 2023 16:32:44 GMT https://rip.trb.org/View/2215649 Synthesis of Information Related to Highway Practices. Topic 55-06. State DOT Certification Programs for Materials Sampling and Testing Personnel https://rip.trb.org/View/2204222 Mon, 03 Jul 2023 10:09:22 GMT https://rip.trb.org/View/2204222 Field-Cured Products and Water Quality: A Guide for Screening and Risk Mitigation https://rip.trb.org/View/2188136 Tue, 30 May 2023 19:43:08 GMT https://rip.trb.org/View/2188136 Alternative PT Tendon Strand/Filler Testing https://rip.trb.org/View/2096564 Fri, 13 Jan 2023 14:49:13 GMT https://rip.trb.org/View/2096564 Mobile Concrete Testing Trailer to Deploy Performance Engineered Mix Design for Concrete, Deploy New Test and Technologies, and Provide National Leadership for Concrete Pavements https://rip.trb.org/View/2062421 Tue, 15 Nov 2022 16:17:41 GMT https://rip.trb.org/View/2062421