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You searched on: Author: dale bentz

Displaying records 131 to 140 of 193 records.
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131. Measurement of Water Transport from Saturated Pumice Aggregates to Hardening Cement Paste
Published: 8/6/2003
Authors: Pietro Lura, Dale P Bentz, D Lange, K Kovler, A Bentur, K Van Breugel
Abstract: In this study about internal curing of High Performance Concrete, X-ray absorption showed that considerable transport of water from saturated lightweight aggregates (pumice) to hydrating cement pastes (w/c ratio 0.3) took place in the first days aft ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860750

132. Effect of the Incorporation of Municipal Solid Waste Incineration Fly Ash in Cement Pases and Mortar. I. Experimental Study.
Published: 12/1/2002
Authors: S J. Remond, M. Pimpinella, Dale P Bentz
Abstract: This work falls within the scope of a genera! problem regarding the assessment of concrete manufactured from waste materials. The main objective is to study the long-term evolution of these materials during the leaching process, using the cellular au ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=100861

133. Prediction of Cement Physical Properties by Virtual Testing
Published: 9/1/2002
Authors: Dale P Bentz, C Haecker, X Feng, Paul E Stutzman
Abstract: Assuring the quality of the massive quantities of cement produced worldwide each year is a daunting task. Currently, the cement industry performs extensive physical testing to assess the quality of their product, resulting in large costs for both m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860409

134. Influence of Curing Conditions on Water Loss and Hydration in Cement Pastes With and Without Fly Ash Substitution
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6886
Published: 7/1/2002
Author: Dale P Bentz
Abstract: The proper curing of concrete is paramount to achieving desired strength and durability performance in the field. Because blending components often react at different rates from portland cement, blended cements may require that special attention be ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860431

135. Effects of the Incorporation of Municipal Solid Waste Incineration Fly Ash in Cement Pastes and Mortars. II: Modeling
Published: 4/1/2002
Authors: S Remond, Dale P Bentz, M. Pimpinella
Abstract: This work falls within the scope of a general problem of the assessment of concretes manufactured from waste materials. The main objective is to study the long-term evolution of these materials during leaching using the cellular automata- based hydra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860294

136. Stoichiometry of Slag Hydration With Calcium Hydroxide
Published: 4/1/2002
Authors: J M Richardson, Joseph J Biernacki, Paul E Stutzman, Dale P Bentz
Abstract: The stoichiometry of the reaction between ground granulated blast furnace slag (GGBFS) having an empirical formula of C^d7.^d88^ S^d7.39^ and calcium hydroxide (CH) was investigated. Scanning electron microscopy (SEM) was used to determine the slag ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860290

137. Service Life Prediction Based on Sorptivity for Highway Concrete Exposed to Sulfate Attack and Freeze-Thaw Conditions
Published: 3/1/2002
Authors: Dale P Bentz, M A Ehlen, Chiara F Ferraris, John A. Winpigler
Abstract: This user's guide describes the set of screens and an example analysis for CONCLIFE, user-friendly software for estimating the service life of concrete pavements and bridge decks exposed to sulfate attack and freeze-thaw deterioration. CONCLIFE uses ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860362

138. The Visible Cement Data Set
Series: Journal of Research (NIST JRES)
Published: 3/1/2002
Authors: Dale P Bentz, S Mizell, Steven G Satterfield, J E Devaney, William L George, Peter M. Ketcham, James R Graham, J E Porterfield, Daniel A Quenard, F A Vallee, H Sallee, E Boller, J Baruchel
Abstract: With advances in X-ray microtomography, it is now possible to obtain three-dimensional representations of a material's microstructure with a voxel size of less then one micrometer. The Visible Cement Data Set represents a collection of 3-D data set ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860382

139. On the Mitigation of Early Age Cracking
Published: 1/1/2002
Authors: Dale P Bentz, M R Geiker, O M Jensen
Abstract: Potential means of limiting early age cracking ofconcrete structures have been investigated. Threedifferent methods of mitigating autogenous strainsand stresses in cement mortars (w/s=0.35, 8 % silica fume) are compared: 1.) reduction of thesurface ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860739

140. The Virtual Cement and Concrete Testing Laboratory Consortium Annual Report 2001
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6840
Published: 12/1/2001
Author: Dale P Bentz
Abstract: The Virtual Cement and Concrete Testing Laboratory(VCCTL) consortium was formed in January of 2001. Headquartered in the Building and Fire ResearchLaboratory at the National Institute of Standardsand Technology (NIST), the consortium currentlyconsis ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860383



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