Enhancing the mechanical strength and air permeability of corundum porous materials using shape-modified coarse aggregates
Sign Up to like & getrecommendations! Published in 2019 at "Ceramics International"
DOI: 10.1016/j.ceramint.2019.02.186
Abstract: Abstract Coarse aggregates of shape-modified corundum (0.5–1 mm) were obtained by treating corundum particles in an intensive mixer, and the effect of shape-modified coarse aggregates on the pore structure and properties of the porous materials were… read more here.
Keywords: using shape; porous materials; shape modified; modified coarse ... See more keywords
Thermal-resistant lightweight concrete with polyethylene beads as coarse aggregates
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.01.012
Abstract: Abstract There is an increasing trend towards developing thermal insulating lightweight concrete (TI-LWC) for structural applications. This is fueled by the desire to conserve energy and decrease greenhouse gas emission. Though few studies have been… read more here.
Keywords: unit weight; lightweight concrete; polyethylene beads; coarse aggregates ... See more keywords
Using discrete element models to track movement of coarse aggregates during compaction of asphalt mixture
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.08.133
Abstract: Abstract The objective of this study is to analyze the movement characteristic of differently-shaped compositions in the Superpave Gyratory Compactor (SGC) test through tracking coarse aggregates and the numerical simulation of Discrete Element Method (DEM).… read more here.
Keywords: movement; coarse aggregates; test; discrete element ... See more keywords
Aggregates breakage introduction to optimize gradation of multi-supporting skeleton asphalt mixtures
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.12.118
Abstract: Abstract This research provides a method for introducing the broken rate of the coarse aggregates to optimize gradation of multi-supporting skeleton asphalt mixtures (MSSAM). The MSSAM was designed and then verified by comparing the measured… read more here.
Keywords: multi supporting; coarse aggregates; gradation multi; coarse ... See more keywords
Experimental and finite element analysis of shrinkage of concrete made with recycled coarse aggregates subjected to thermal loading
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118564
Abstract: Abstract This study deals with an experimental and numerical investigation focused on the total shrinkage of concrete made with recycled coarse aggregates (RCA) and subjected to various isothermal temperatures. The objective of the experimental work… read more here.
Keywords: shrinkage concrete; concrete made; coarse aggregates; shrinkage ... See more keywords
Recycling of industrial and agricultural wastes as alternative coarse aggregates: A step towards cleaner production of concrete
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2021.123056
Abstract: Abstract Aggregates are mined on a larger scale leading to the depletion of mountains and ecosystem. Cleaner production of artificial stone aggregates from industrial waste is an alternative to natural stone aggregates. Although earlier studies… read more here.
Keywords: concrete; coarse aggregates; cleaner production; alternative coarse ... See more keywords
Shear strength of longitudinally reinforced recycled aggregate concrete beams
Sign Up to like & getrecommendations! Published in 2017 at "Engineering Structures"
DOI: 10.1016/j.engstruct.2017.05.028
Abstract: Abstract The inferior qualities of recycled concrete coarse aggregates (RCA) relative to natural coarse aggregates (NCA) can unfavorably affect the properties of concrete made using RCA. The detrimental effects can be more pronounced in the… read more here.
Keywords: strength; concrete beams; shear strength; coarse aggregates ... See more keywords
A smoothed particle hydrodynamics study on effect of coarse aggregate on self-compacting concrete flows
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Mechanical Sciences"
DOI: 10.1016/j.ijmecsci.2020.106046
Abstract: Abstract Coarse aggregates increase inhomogeneity and alter rheological properties of self-compacting concrete. In this work, the effect of coarse aggregates on self-compacting concrete is studied by considering its pipe flow. Self-compacting concrete is modelled as… read more here.
Keywords: compacting concrete; hydrodynamics; coarse aggregate; coarse aggregates ... See more keywords
TWO-DIMENSIONAL FRACTAL MODEL FOR ULTIMATE CRUSHING STATE OF COARSE AGGREGATES
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DOI: 10.1142/s0218348x19501093
Abstract: The research on the ultimate crushing state of coarse aggregates is beneficial to analyze and predict the evolutionary process of crushing. The Growing Path method uses the two-dimensional fractal geometry structure to simulate the size… read more here.
Keywords: coarse aggregates; crushing state; ultimate crushing;
Investigation on Comparison of Morphological Characteristics of Various Coarse Aggregates before and after Abrasion Test
Sign Up to like & getrecommendations! Published in 2020 at "Materials"
DOI: 10.3390/ma13020492
Abstract: Under the repeated loading, the continuous impact and friction of tires on aggregates resulted in some changes in their morphology, which may cause rutting, decrease in skid resistance, and fatigue damage of the road. In… read more here.
Keywords: abrasion test; aggregates abrasion; coarse aggregates; morphological characteristics ... See more keywords
Discrete Element Modeling of the Meso-Mechanical Response of Asphalt Pavement under Vehicle Load
Sign Up to like & getrecommendations! Published in 2022 at "Materials"
DOI: 10.3390/ma15217808
Abstract: Numerical simulation is an effective way to study the mechanical response of asphalt pavement, which is very important for the pavement structural design. In this study, a three-dimensional meso-structure discrete element model of asphalt pavement… read more here.
Keywords: asphalt pavement; contact; vehicle load; mechanical response ... See more keywords