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You searched on: Author: dale bentz

Displaying records 161 to 170 of 193 records.
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161. CEMHYD3D: A Three-Dimensional Cement Hydration and Microstructure Development Modelling Package. Version 2.0
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6485
Published: 4/1/2000
Author: Dale P Bentz
Abstract: This user's manual provides updated documentation and computer program listings for version 2.0 of the three-dimensional cement hydration and microstructure development model (CEMHYD3D) developed at the National Institute of Standards and Technology. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860253

162. CEMHYD3D: A Three-Dimensional Cement Hydration and Microstructure Development Modelling Package. Version 2.0.
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6485
Published: 4/1/2000
Author: Dale P Bentz
Abstract: This user's manual provides updated documentation and computer program listings for version 2.0 of the three-dimensional cement hydration and microstructure development model (CEMHYD3D) developed at the National Institute of Standards and Technology. ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=916867

163. The Past, Present, and Future of the Computational Materials Science of Concrete
Published: 4/1/2000
Authors: Edward Joseph Garboczi, Dale P Bentz, G J. Frohnsdorff
Abstract: The computational materials science of concrete has developed rapidly in the last 15 years. This development has been strongly tied to the even more rapid advances in computer processor speed and memory during this same time, without which progress i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860275

164. Protected Paste Volume in Concrete: Extension to Internal Curing Using Saturated Lightweight Fine Aggregate
Published: 11/1/1999
Authors: Dale P Bentz, Kenneth Alan Snyder
Abstract: One difficulty in the field use of high performance concrete is the extensive self-desiccation and autogeneous shrinkage that may occur due to its lower w/c ratio and the addition of silica fume to the mixture proportions. Several researchers have p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860184

165. Effects of Cement Particle Size Disbribution on Performance Properties of Portland Cement-Based Materials
Published: 10/1/1999
Authors: Dale P Bentz, Edward Joseph Garboczi, C Haecker, O M Jensen
Abstract: The original size, spatial distribution, and composition of Portland cement particles have a large influence on hydration kinetics, microstructure development, and ultimate properties of cement-based materials. In this paper, the effects of cement ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860176

166. Studies of Hydration and Drying in Cement Pastes by Scanning X-Ray Absorptiometry
Published: 10/1/1999
Authors: K K Hansen, Dale P Bentz
Abstract: Hydration and drying in cement pastes are studied by the x-ray environmental chamber at DTU. By using the x-ray detector to detect changes in internal density (indicative of drying), the influence of w/c ratio on drying during hydration is quantitat ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860217

167. Transport Properties and Durability of Concrete: Literature Review and Research Plan
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 6395
Published: 9/1/1999
Authors: Dale P Bentz, J R Clifton, Chiara F Ferraris, Edward Joseph Garboczi, J M Torrents
Abstract: The increased emphasis on life cycle cost analysis for building projects requires that new attention be focused on the service life and durability of concrete structures. While concrete is typically specified based on compressive strength and slump, ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860229

168. Effects of Cement PSD on Porosity Percolation and Self-Desiccation
Published: 8/1/1999
Author: Dale P Bentz
Abstract: The degree of self-desiccation in field concrete depends on the availability of external water to replace that consumed due to the chemical shrinkage that occurs during cement hydration. As the cement hydrates, the capillary porosity depercolates, d ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860171

169. SEM/X-Ray Imaging of Cement-Based Materials
Published: 8/1/1999
Authors: Dale P Bentz, Paul E Stutzman, C Haecker, S Remond
Abstract: Scanning electron microscopy and X-ray imaging techniques have been developed for imaging the complex microstructure of cement-based materials such as cement powder and fly ash. By combining the information available in the backscattered electron an ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=861061

170. Digital Images and Computer Modelling
Published: 7/1/1999
Authors: Edward Joseph Garboczi, Dale P Bentz, Nicos Martys
Abstract: This chapter describes how digital images of porous materials can be analyzed to give information about the structure and properties of the material, describes various ways 3-D digital-image-based models can be generated to help understand real mater ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860146



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