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Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images. / Du, Sizhe; Zhang, Yu; Zhang, Jie; Selyutina, Nina; Smirnov, Ivan; Ma, Gang; Zhang, Xiang; Li, Beibei; Miao, Yanchun; Liu, Yuanzhen; Wang, Wejing.

в: Construction and Building Materials, Том 323, 126564, 14.03.2022.

Результаты исследований: Научные публикации в периодических изданиях › статья › Рецензирование

Harvard

Du, S, Zhang, Y, Zhang, J, Selyutina, N, Smirnov, I, Ma, G, Zhang, X, Li, B, Miao, Y, Liu, Y & Wang, W 2022, 'Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images', Construction and Building Materials, Том. 323, 126564. https://doi.org/10.1016/j.conbuildmat.2022.126564, https://doi.org/10.1016/j.conbuildmat.2022.126564

APA

Du, S., Zhang, Y., Zhang, J., Selyutina, N., Smirnov, I., Ma, G., Zhang, X., Li, B., Miao, Y., Liu, Y., & Wang, W. (2022). Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images. Construction and Building Materials, 323, [126564]. https://doi.org/10.1016/j.conbuildmat.2022.126564, https://doi.org/10.1016/j.conbuildmat.2022.126564

Vancouver

Du S, Zhang Y, Zhang J, Selyutina N, Smirnov I, Ma G и пр. Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images. Construction and Building Materials. 2022 Март 14;323. 126564. https://doi.org/10.1016/j.conbuildmat.2022.126564, https://doi.org/10.1016/j.conbuildmat.2022.126564

Author

Du, Sizhe ; Zhang, Yu ; Zhang, Jie ; Selyutina, Nina ; Smirnov, Ivan ; Ma, Gang ; Zhang, Xiang ; Li, Beibei ; Miao, Yanchun ; Liu, Yuanzhen ; Wang, Wejing. / Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images. в: Construction and Building Materials. 2022 ; Том 323.

BibTeX

@article{4afe2ef97b774bc1816dabd2edb6a06a,
title = "Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images",
abstract = "High temperatures can have a profound impact on the internal pore structure of concrete, which consequently deteriorates its mechanical properties. In order to examine the effect of high temperatures on the microstructural characteristics and residual mechanical properties of recycled aggregate concrete mixed with glazed hollow beads (RATIC), the cube compressive strength test and CT test were carried out on RATIC specimens treated at the different temperatures. Through three-dimensional reconstruction of CT images, the three-dimensional microstructure of the RATIC after the high-temperature treatment were obtained to analyze the variation in its internal pores with the temperature, and to elaborate on the mechanism for the deterioration of its mechanical properties from the perspective of microstructural characteristics of pores. The results show that the glazed hollow bead (GHB) can slow down the spread of heat in the concrete and renders a positive effect on the heatinduced damage resistance of concrete. The incorporation of the GHB effectively optimizes the pore structure of the RATIC and reduces the pore distortion caused by the high temperature. In addition, the quantitative relationship between the pore characteristic parameters and the residual compressive strength of RATIC was investigated, and a computational model was obtained to characterize the relationship between the pore characteristic parameters and the residual compressive strength using nonlinear analysis.",
keywords = "Compressive strength, Elevated temperature, Pore structure, Recycled concrete, Thermal insulation, X-ray computed tomography, STRESS-STRAIN RELATIONSHIP, POLYPROPYLENE FIBERS, MECHANICAL-PROPERTIES, COMPRESSIVE STRENGTH, LIGHTWEIGHT CONCRETE, COARSE AGGREGATE, SILICA FUME, HIGH-PERFORMANCE CONCRETE, THERMAL INSULATION CONCRETE, ELEVATED-TEMPERATURE",
author = "Sizhe Du and Yu Zhang and Jie Zhang and Nina Selyutina and Ivan Smirnov and Gang Ma and Xiang Zhang and Beibei Li and Yanchun Miao and Yuanzhen Liu and Wejing Wang",
note = "Publisher Copyright: {\textcopyright} 2022",
year = "2022",
month = mar,
day = "14",
doi = "https://doi.org/10.1016/j.conbuildmat.2022.126564",
language = "English",
volume = "323",
journal = "Construction and Building Materials",
issn = "0950-0618",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Study on pore characteristics of recycled aggregate concrete mixed with glazed hollow beads at high temperatures based on 3-D reconstruction of computed tomography images

AU - Du, Sizhe

AU - Zhang, Yu

AU - Zhang, Jie

AU - Selyutina, Nina

AU - Smirnov, Ivan

AU - Ma, Gang

AU - Zhang, Xiang

AU - Li, Beibei

AU - Miao, Yanchun

AU - Liu, Yuanzhen

AU - Wang, Wejing

N1 - Publisher Copyright: © 2022

PY - 2022/3/14

Y1 - 2022/3/14

N2 - High temperatures can have a profound impact on the internal pore structure of concrete, which consequently deteriorates its mechanical properties. In order to examine the effect of high temperatures on the microstructural characteristics and residual mechanical properties of recycled aggregate concrete mixed with glazed hollow beads (RATIC), the cube compressive strength test and CT test were carried out on RATIC specimens treated at the different temperatures. Through three-dimensional reconstruction of CT images, the three-dimensional microstructure of the RATIC after the high-temperature treatment were obtained to analyze the variation in its internal pores with the temperature, and to elaborate on the mechanism for the deterioration of its mechanical properties from the perspective of microstructural characteristics of pores. The results show that the glazed hollow bead (GHB) can slow down the spread of heat in the concrete and renders a positive effect on the heatinduced damage resistance of concrete. The incorporation of the GHB effectively optimizes the pore structure of the RATIC and reduces the pore distortion caused by the high temperature. In addition, the quantitative relationship between the pore characteristic parameters and the residual compressive strength of RATIC was investigated, and a computational model was obtained to characterize the relationship between the pore characteristic parameters and the residual compressive strength using nonlinear analysis.

AB - High temperatures can have a profound impact on the internal pore structure of concrete, which consequently deteriorates its mechanical properties. In order to examine the effect of high temperatures on the microstructural characteristics and residual mechanical properties of recycled aggregate concrete mixed with glazed hollow beads (RATIC), the cube compressive strength test and CT test were carried out on RATIC specimens treated at the different temperatures. Through three-dimensional reconstruction of CT images, the three-dimensional microstructure of the RATIC after the high-temperature treatment were obtained to analyze the variation in its internal pores with the temperature, and to elaborate on the mechanism for the deterioration of its mechanical properties from the perspective of microstructural characteristics of pores. The results show that the glazed hollow bead (GHB) can slow down the spread of heat in the concrete and renders a positive effect on the heatinduced damage resistance of concrete. The incorporation of the GHB effectively optimizes the pore structure of the RATIC and reduces the pore distortion caused by the high temperature. In addition, the quantitative relationship between the pore characteristic parameters and the residual compressive strength of RATIC was investigated, and a computational model was obtained to characterize the relationship between the pore characteristic parameters and the residual compressive strength using nonlinear analysis.

KW - Compressive strength

KW - Elevated temperature

KW - Pore structure

KW - Recycled concrete

KW - Thermal insulation

KW - X-ray computed tomography

KW - STRESS-STRAIN RELATIONSHIP

KW - POLYPROPYLENE FIBERS

KW - MECHANICAL-PROPERTIES

KW - COMPRESSIVE STRENGTH

KW - LIGHTWEIGHT CONCRETE

KW - COARSE AGGREGATE

KW - SILICA FUME

KW - HIGH-PERFORMANCE CONCRETE

KW - THERMAL INSULATION CONCRETE

KW - ELEVATED-TEMPERATURE

UR - http://www.scopus.com/inward/record.url?scp=85123761421&partnerID=8YFLogxK

U2 - https://doi.org/10.1016/j.conbuildmat.2022.126564

DO - https://doi.org/10.1016/j.conbuildmat.2022.126564

M3 - Article

AN - SCOPUS:85123761421

VL - 323

JO - Construction and Building Materials

JF - Construction and Building Materials

SN - 0950-0618

M1 - 126564

ER -

ID: 92173422