Publications

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

Technology readiness: A global snapshot of 3D concrete printing and the frontiers for development

March 29, 2022

Author(s)

Guowei Ma, Richard Buswell, Wilson Ricardo Leal da Silva, Li Wang, Jie Xu, Scott Jones

Fused Filament Fabrication Printer Modified to Dispense Cement Paste for Concrete Additive Manufacturing Studies

November 24, 2020

Author(s)

Scott Z. Jones

Additive manufacturing (AM) with cement-based materials is an emerging technology that has the potential to revolutionize concrete construction. The placement process is quite complex, requiring sufficient flow properties as the material leaves the nozzle

Continuous Strength Measurement- Replacement of Compression Test with Non Destructive Ultrasonic Wave Propagation

January 21, 2020

Author(s)

Scott Z. Jones, Dale P. Bentz, Stefano Ricci, Valentino Meacci, Didier Lootens, Marc Schumacher

Concrete strength is crucial for the design of construction elements and should as a consequence be carefully controlled to ensure the security of the architecture. Due to the reactive nature of the constitutive binders of the concrete, its strength

ADDITIVE MANUFACTURING PROCESSES FOR INFRASTRUCTURE CONSTRUCTION: A REVIEW

July 25, 2019

Author(s)

Abhinav Bhardwaj, Scott Jones, Negar Kalantar, Zhijian Pei, John Vickers, Pablo Zavattieri, Timothy Wangler, Na Zou

Machine Learning Can Predict Setting Behavior and Strength Evolution of Hydrating Cement Systems

July 25, 2019

Author(s)

Tandre Oey, Scott Jones, Jeffrey W. Bullard, Gaurav Sant

Setting and strength development of ordinary portland cement (OPC) binders is a complex process that involves multiple interacting chemical reactions, which result in the formation of a solid microstructure. A long-standing yet elusive goal of the

RHEOLOGICAL CONTROL OF 3D PRINTED CEMENT PASTE

August 30, 2018

Author(s)

Scott Z. Jones, Dale P. Bentz, Nicos Martys, William L. George, Austin Thomas

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

Towards the Formulation of Robust and Sustainable Cementitious Binders for 3-D Additive Construction by Extrusion

April 30, 2018

Author(s)

Dale P. Bentz, Scott Z. Jones, Isaiah R. Bentz, Max A. Peltz

Additive construction by extrusion (ACE), also known as 3-D printing, is becoming a new paradigm for concrete construction. While significant cost and manpower savings are projected, many issues remain to be solved before ACE can be viewed as a mainstream

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

Anion Capture and Exchange by Functional Coatings: New Routes to Mitigate Steel Corrosion in Concrete Infrastructure

September 4, 2017

Author(s)

Gabriel Falzone, Magdalena Balonis, Dale P. Bentz, Scott Jones, Gaurav Sant

Chloride induced corrosion is a major cause of degradation of reinforced concrete infrastructure. While the binding of chloride ions (Cl-) by cementitious phases is known to delay corrosion, this approach has not been systematically exploited as a

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