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You searched on: Author: dale bentz

Displaying records 21 to 30 of 194 records.
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21. Using a Saturation Function to Interpret the Electrical Properties of Partially Saturated Concrete
Published: 8/29/2013
Authors: William Jason Weiss, Kenneth Alan Snyder, Jeffrey W Bullard, Dale P Bentz
Abstract: Electrical properties are frequently measured in the concrete construction industry as a part of mixture qualification and quality control testing. While there are several factors that influence the electrical response of concrete, one of the most i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=910938

22. Ternary Blends for Economical and Environmentally Friendly Concretes
Published: 7/31/2013
Authors: Dale P Bentz, Jussara Tanesi, Ahmad Ardani
Abstract: As sustainability moves to the forefront of trends in construction, concrete mixture proportions must be adjusted and adapted to a new set of economic and environmental demands. While high-volume fly ash concretes have been investigated extensively s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913559

23. A Comparison Study of Portland Cement Hydration Kinetics as Measured by Chemical Shrinkage and Isothermal Calorimetry
Published: 5/1/2013
Authors: Xueyu Pang, Dale P Bentz, Christian Meyer, Gary Funkhouser, Robert Darbe
Abstract: Two different methods of evaluating cement hydration kinetics, namely chemical shrinkage and isothermal calorimetry tests, are used to investigate the early stage hydration of different classes of oilwell cement at various temperatures. For a given c ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912433

24. Modeling of the Influence of Transverse Cracking on Chloride Penetration into Concrete
Published: 4/23/2013
Authors: Dale P Bentz, Edward Joseph Garboczi, Yang Lu, Nicos Martys, Aaron Richard Sakulich, William Jason Weiss
Abstract: Concrete service life models have proliferated in recent years due to increased interest in designing infrastructure elements with at least a 75-year service life, along with greater emphasis on life cycle costing in general. While current models con ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911669

25. Measurement Science Needs for the Expanded Use of Green Concrete: Workshop Summary Report
Series: Technical Note (NIST TN)
Report Number: 1783
Published: 2/6/2013
Authors: Kenneth Alan Snyder, Dale P Bentz, Jeffrey W Bullard, Chiara F Ferraris, Nicos Martys, Paul E Stutzman
Abstract: In July 2012, NIST conducted the Green Concrete Workshop to bring together stakeholders from the concrete construction industry and identify critical needs for the expanded use of industrial by- product materials, such as fly ash and slag, in conc ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=913076

26. Improving Concrete Bridge Decks with Internal Curing
Published: 2/1/2013
Authors: Jason Weiss, Dale P Bentz, Carmelo DiBella
Abstract: Transportation agencies strive to provide durable, long lasting concrete bridge decks. While high performance concrete is frequently desired due to its resistance to chloride ingress and corrosion, these mixtures are often accompanied with an increa ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909651

27. Quantifying Residual Stress Development and Reserve Strength in Restrained Internally Cured Concrete
Published: 1/1/2013
Authors: John Schlitter, Dale P Bentz, Jason Weiss
Abstract: Concrete can develop tensile stress when it is restrained from shrinking freely. Standard tests, like the restrained ring test (ASTM C1581-09) can be used to quantify how likely a mixture may be to crack under constant temperature conditions. The s ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907144

28. Using Limestone to Reduce Set Retardation in High Volume Fly Ash Mixtures: Improving Constructability for Sustainability
Published: 12/3/2012
Authors: Lisa Renay Gurney, Dale P Bentz, Taijiro Sato, Jason Weiss
Abstract: From a sustainability perspective, high volume fly ash (HVFA) concretes are attractive not only because of the reduction in cement content and its associated greenhouse gases that they provide, but also because they avoid landfilling excessive quanti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=909251

29. Mitigation of Autogenous Shrinkage in Alkali Activated Slag Mortars by Internal Curing
Published: 11/19/2012
Authors: Aaron Richard Sakulich, Dale P Bentz
Abstract: Alkali activated slag shows considerable promise as an environmentally friendly alternative to binders produced from ordinary portland cement (OPC). The shrinkage behavior of alkali activated slags, however, is not well understood, and is a hurdl ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=911271

30. Modeling Chloride transport in Cracked Concrete: A 3-D image-based microstructure simulation
Published: 10/3/2012
Authors: Edward Joseph Garboczi, Dale P Bentz, Jeffrey M. Davis, Yang Lu
Abstract: The prediction of the service life of concrete materials is difficult, mainly because of their complex heterogeneous microstructure and their random nature. Studying the presence of cracks in concrete and their effect on chloride transport and reacti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=912153



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