Aggregate Restraining Effect on Autogenous Shrinkage of Cementitious Materials
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DOI: 10.1007/s12205-017-0635-5
Abstract: In this paper the restraining effect of aggregates on autogenous shrinkage of cementitious materials is investigated by using different maximum aggregate sizes. Experimental studies were conducted to determine the restraining effect of aggregates on autogenous… read more here.
Keywords: restraining effect; shrinkage cementitious; shrinkage; cementitious materials ... See more keywords
Autogenous shrinkage of alkali activated slag mortars: Basic mechanisms and mitigation methods
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DOI: 10.1016/j.cemconres.2018.04.004
Abstract: Abstract This paper presents various mechanisms that can explain the cause of excessive autogenous shrinkage exhibited by alkali activated slag mortars (AASM) compared to Portland cement mortars (OPC). The influence of activator concentration parameters such… read more here.
Keywords: shrinkage alkali; activated slag; autogenous shrinkage; shrinkage ... See more keywords
Accurate determination of the “time-zero” of autogenous shrinkage in alkali-activated fly ash/slag system
Sign Up to like & getrecommendations! Published in 2019 at "Composites Part B: Engineering"
DOI: 10.1016/j.compositesb.2019.107367
Abstract: Abstract Autogenous shrinkage based on different “time-zero” may result in underestimation/overestimation on the cracking potential of alkali-activated fly ash/slag (AAFS). This study reports an experimental investigation on the “time-zero” of AAFS pastes characterized by different… read more here.
Keywords: alkali activated; time; autogenous shrinkage; activated fly ... See more keywords
Autogenous shrinkage of high performance concrete: A review
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DOI: 10.1016/j.conbuildmat.2017.05.064
Abstract: Abstract Autogenous shrinkage is a major concern in early age cracking of high performance concrete (HPC). Low water-to-binder ratio and incorporation of supplementary cementitious materials (SCMs) can remarkably affect the pore structure, relative humidity, self-stress,… read more here.
Keywords: performance concrete; autogenous shrinkage; high performance; shrinkage ... See more keywords
Mechanisms of autogenous shrinkage of alkali-activated fly ash-slag pastes cured at ambient temperature within 24 h
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DOI: 10.1016/j.conbuildmat.2018.03.155
Abstract: Abstract This paper aims to provide a better understanding of autogenous shrinkage of alkali-activated fly ash-slag (AAFS) pastes at very early age ( read more here.
Keywords: activated fly; shrinkage alkali; autogenous shrinkage; ash slag ... See more keywords
Investigation on the potential utilization of zeolite as an internal curing agent for autogenous shrinkage mitigation and the effect of modification
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DOI: 10.1016/j.conbuildmat.2018.12.001
Abstract: Abstract This paper presents an experimental investigation on the potential utilization of one natural zeolite as an internal curing agent for mitigation of self-desiccation and the subsequent autogenous shrinkage of cement paste with low w/b… read more here.
Keywords: treatment; autogenous shrinkage; internal curing; effect ... See more keywords
Utilization of miscanthus combustion ash as internal curing agent in cement-based materials: Effect on autogenous shrinkage
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DOI: 10.1016/j.conbuildmat.2019.02.167
Abstract: Abstract The present study aims to evaluate the characterization of combustion ash of miscanthus and its possible application for self-desiccation and autogenous shrinkage mitigation in cement-based materials. Comprehensive tests were performed on the sealed samples… read more here.
Keywords: shrinkage; combustion ash; self desiccation; autogenous shrinkage ... See more keywords
Effect of CaO incorporation on the microstructure and autogenous shrinkage of ternary blend Portland cement-slag-silica fume
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DOI: 10.1016/j.conbuildmat.2020.118691
Abstract: Abstract The present study investigated the effect of CaO incorporation on the microstructure and autogenous shrinkage of ternary blend Portland cement-slag-silica fume. Samples having water-to-binder ratio of 0.25 with varying CaO dosages were prepared, and… read more here.
Keywords: cao incorporation; cao; shrinkage; autogenous shrinkage ... See more keywords
Autogenous shrinkage of slag-fly ash blends activated with hybrid sodium silicate and sodium sulfate at different curing temperatures
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DOI: 10.1016/j.conbuildmat.2020.121276
Abstract: Abstract This study investigates the effect of sodium sulfate concentration and curing temperature (20 °C and 40 °C) on the autogenous shrinkage of hybrid sodium silicate and sodium sulfate activated slag/fly ash systems (AASF). Regardless of the… read more here.
Keywords: sodium sulfate; hybrid sodium; autogenous shrinkage; sodium ... See more keywords
Effects of SAP characteristics on internal curing of UHPC matrix
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DOI: 10.1016/j.conbuildmat.2021.122530
Abstract: Abstract Superabsorbent polymer (SAP) is an effective internal curing agent, and its efficiency is highly dependent on its physical and chemical characteristics. This study investigates the effect of molecular structure, size, content and pre-treatment of… read more here.
Keywords: sap; autogenous shrinkage; internal curing; sap characteristics ... See more keywords
The influence of superabsorbent polymers (SAPs) on autogenous shrinkage in cement paste, mortar and concrete
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DOI: 10.1016/j.conbuildmat.2021.122948
Abstract: Abstract Due to the high amount of fines in combination with a low water-to-cement ratio ( read more here.
Keywords: superabsorbent polymers; influence superabsorbent; saps autogenous; autogenous shrinkage ... See more keywords