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Search Publications by: Scott Jones (Fed)

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Displaying 1 - 25 of 57

Additive Construction in Practice - Realities of Acceptance Criteria

September 4, 2024
Author(s)
Megan Kreiger, Eric Kreiger, Stephan Mansour, Sean Monkman, Mohammad Aghajani Delavar, Petros Sideris, Casey Roberts, Mathew Friedell, Shawn Platt, Scott Jones
Additive Construction has increased dramatically within the United States in the last few years. Efforts to develop acceptance criteria have increased since 2020 and are being developed through integration of research efforts and early engagement with

Autonomous cementitious materials formulation for critical infrastructure repair

January 17, 2024
Author(s)
Howie Joress, Rachel Cook, Austin McDannald, Mark Kozdras, Jason hattrick-simpers, Aron Newman, Scott Jones
Despite the long history of cement and concrete, there are still large gaps in fundamental knowledge of their properties development. The dire need for improved cementitious repair materials, requires a revolution in the way they are formulated and tested

Does ITZ influence moisture transport in concrete?

July 24, 2022
Author(s)
Laura E. Dalton, Jacob LaManna, Scott Jones, Mohammad Pour-Ghaz
The contributions of the interfacial transition zone (ITZ) to mass transport in cement-based materials remain ambiguous and disputed. In this study, the neutron and X-ray tomography (NeXT) system is used to capture unsaturated moisture flow in a concrete

3D printing using concrete extrusion: a roadmap for research

June 14, 2018
Author(s)
Scott Z. Jones, Richard Buswell, Wilson Leal de Silva, Justin Dirrenberger
Large-scale additive manufacturing processes for construction utilise computer controlled placement of extruded cement-based mortar to create physical objects layer-by-layer. Demonstrated applications include component manufacture and placement of in-situ

Relating the Electrical Resistance of Fresh Concrete to Mixture Proportions

March 5, 2018
Author(s)
K H. Obla, Rongjin Hong, Stuart Sherman, Dale P. Bentz, Scott Jones
Characterization of fresh concrete is critical for assuring the quality of our nation's constructed infrastructure. While fresh concrete arriving at a job site in a ready-mixed concrete truck is typically characterized by measuring temperature, slump, unit

Influence of Substrate Moisture State and Roughness on Interface Microstructure and Bond Strength: Slant Shear vs. Direct Tension Testing

December 8, 2017
Author(s)
Dale P. Bentz, Igor de la Varga, Jose Munoz, Robert Spragg, Benjamin Graybeal, Daniel S. Hussey, David L. Jacobson, Scott Z. Jones, Jacob M. LaManna
There are conflicting views in the literature concerning the optimum moisture state for an existing substrate prior to the application of a repair material. Both saturated-surface-dry (SSD) and dry substrates have been found to be preferable to the other