Influencing factors of parameters of air-void structure in fresh cement mortars
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Pavement Research and Technology"
DOI: 10.1007/s42947-020-0230-x
Abstract: There is a limitation to apply air content in fresh concrete as the only index to pre-control frost resistance of cast-in-place concrete. By using an air void analyzer (AVA), the research investigated the influence laws… read more here.
Keywords: void structure; air voids; air; cement ... See more keywords
Frost resistance of concrete with high contents of fly ash - A study on how hollow fly ash particles distort the air void analysis
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2019.02.013
Abstract: Abstract Cenospheres are hollow fly ash particles. When performing air void analysis on a contrast enhanced plane section, air inclusions in cenospheres are counted as air voids. In the present study, air void analyses for… read more here.
Keywords: air void; air; frost; contents fly ... See more keywords
Investigation of microscopic air void structure of anti-freezing asphalt pavement with X-ray CT and MIP
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.05.185
Abstract: Abstract The dissolution of snowmelt agent Mafilon (MFL) causes complicated modifications in the pore structure of anti-freezing asphalt mixtures. In this research, X-ray computed tomography (X-ray CT) and mercury intrusion porosimetry (MIP) were employed to… read more here.
Keywords: anti freezing; freeze thaw; freezing asphalt; structure anti ... See more keywords
Evaluation of high-temperature deformation of porous asphalt mixtures based on microstructure using X-ray computed tomography
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.08.004
Abstract: Abstract Porous asphalt (PA) mixtures are used as a surface layer experiences high temperatures and overloading in the summer in Southern China. The objective of this research is to characterize the microstructure evolution of PA… read more here.
Keywords: air void; temperature; porous asphalt; air ... See more keywords
Analysis of air voids in cementitious materials using micro X-ray computed tomography (µXCT)
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118313
Abstract: Abstract Air void parameters in cementitious materials are usually identified and analysed manually using image techniques such as incident light microscopy (ILM). The investigative procedure requires considerable effort, and the analysis results can vary between… read more here.
Keywords: analysis air; using micro; air; cementitious materials ... See more keywords
Air entrainment in fresh concrete and its effects on hardened concrete-a review
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DOI: 10.1016/j.conbuildmat.2020.121835
Abstract: Abstract The presence of the stable and adequate air-void system in fresh and hardened concretes are crucial to many properties, such as resistance against freeze and thaw cycle, workability/rheology, pumpability, strength, and fire resistance of… read more here.
Keywords: rheology; air; air entrainment; void system ... See more keywords
Microscopic investigations on the air-void characteristics of wet-mix shotcrete
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Materials Research and Technology"
DOI: 10.1016/j.jmrt.2018.12.003
Abstract: Abstract This paper aims to perform microscopic investigations on the air-void characteristics of wet-mix shotcrete before and after the spraying process. Both air-void analysis (AVA) and image analysis (IA) were used to monitor the air-void… read more here.
Keywords: air void; characteristics wet; mix shotcrete; air ... See more keywords
Virtual porous materials to predict the air void topology and hydraulic conductivity of asphalt roads
Sign Up to like & getrecommendations! Published in 2019 at "Powder Technology"
DOI: 10.1016/j.powtec.2019.04.072
Abstract: Abstract This paper investigates the effects of air void topology on hydraulic conductivity in asphalt mixtures with porosity in the range 14%–31%. Virtual asphalt pore networks were generated using the Intersected Stacked Air voids (ISA)… read more here.
Keywords: air void; hydraulic conductivity; topology; asphalt ... See more keywords
Measurement of entrained air-void parameters in Portland cement concrete using micro X-ray computed tomography
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Pavement Engineering"
DOI: 10.1080/10298436.2016.1172705
Abstract: Abstract The entrained air-void system in concrete is closely related to freeze-thaw durability in concrete pavements or other structures. For either research or forensic purposes, reliable and economical methods for the quantification of entrained air… read more here.
Keywords: using micro; air; measurement; air void ... See more keywords
Evaluation of microstructural properties in sand–sulphur–bitumen (SSB) mixes
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DOI: 10.1080/14680629.2019.1642945
Abstract: The sand–sulphur–bitumen (SSB) mixes may prove to be a promising solution for locations where sands are available in plenty while natural stone resources are scanty. This paper is an attempt to study the microstructural characteristics… read more here.
Keywords: ssb mixes; sand sulphur; tortuosity; air ... See more keywords
Open‐source deep learning‐based air‐void detection algorithm for concrete microscopic images
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Microscopy"
DOI: 10.1111/jmi.13098
Abstract: Analysing concrete microscopic images is difficult because of its highly heterogeneous composition and the different scales involved. This article presents an open‐source deep learning‐based algorithm dedicated to air‐void detection in concrete microscopic images. The model,… read more here.
Keywords: microscopic images; air void; air; concrete microscopic ... See more keywords