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David J. Corr
Researcher at Northwestern University
Publications - 57
Citations - 3049
David J. Corr is an academic researcher from Northwestern University. The author has contributed to research in topics: Cement & Aggregate (composite). The author has an hindex of 23, co-authored 54 publications receiving 2166 citations. Previous affiliations of David J. Corr include Exponent.
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Modification of cement-based materials with nanoparticles
TL;DR: In this paper, the authors investigated the rheological properties of clay-modified cement-based materials with nanoparticles, specifically nanoclays, calcium carbonate nanoparticles and nanosilica.
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Modification effects of colloidal nanoSiO2 on cement hydration and its gel property
Pengkun Hou,Pengkun Hou,Shiho Kawashima,Deyu Kong,Deyu Kong,David J. Corr,Jueshi Qian,Surendra P. Shah +7 more
TL;DR: In this article, the effects of colloidal nanoSiO2 (CNS) on cement hydration and gel properties in the early and later age, hydration heat, calcium morphology, hydroxide content, non-evaporable water (NEW) content and nanoscale mechanical properties were measured.
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Effects of colloidal nanosilica on rheological and mechanical properties of fly ash–cement mortar
Pengkun Hou,Pengkun Hou,Shiho Kawashima,Kejin Wang,David J. Corr,Jue Shi Qian,Surendra P. Shah +6 more
TL;DR: In this article, the combined effects of colloidal nanosilica (CNS) and fly ash on the properties of cement-based materials were investigated, which revealed that CNS accelerates the setting of fly ash-cement systems by accelerating cement hydration while fly ash can offset the reduction in fluidity caused by CNS.
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Effects of interfacial transition zones on the stress–strain behavior of modeled recycled aggregate concrete
TL;DR: In this paper, the constitutive relationship of the Interfacial Transition Zones (ITZs) in Recycled Aggregate Concrete (RAC) is put forward based on nanoindentation tests and analysis.
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Digital image correlation analysis of interfacial debonding properties and fracture behavior in concrete
TL;DR: In this paper, the use of digital image correlation (DIC) as a fracture mechanics tool is described, for two projects currently underway, one of which is to examine the bond between carbon fiber reinforced polymers (CFRP) and concrete substrates.