Robust evaluation of superabsorbent polymers as an internal curing agent in cementitious composites
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Materials Science"
DOI: 10.1007/s10853-020-05131-2
Abstract: The internal curing of cementitious composites (CCs) has been a subject of supreme importance for the past few years. Although superabsorbent polymers (SAPs) have been utilized in several industries like sanitary, agriculture, and medical, their… read more here.
Keywords: curing agent; internal curing; cementitious composites; superabsorbent polymers ... See more keywords
Pore structure of affected zone around saturated and large superabsorbent polymers in cement paste
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Composites"
DOI: 10.1016/j.cemconcomp.2018.12.020
Abstract: Abstract Superabsorbent polymer (SAP) has been widely used as internal curing agent for cement-based materials, duo to its high internal curing efficiency. Pore structure of affected zone around SAP is important for understanding the internal… read more here.
Keywords: affected zone; structure affected; internal curing; pore structure ... See more keywords
Key mechanisms controlling internal curing performance of natural fibers
Sign Up to like & getrecommendations! Published in 2018 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2018.02.007
Abstract: Abstract Since the physical and chemical characteristics of wood pulps are complex, their behaviors in a cementitious matrix are difficult to capture by conventional techniques. Here, in situ NMR/MRI along with isothermal calorimetry and surface… read more here.
Keywords: internal curing; key mechanisms; curing performance; controlling internal ... See more keywords
Internal curing with superabsorbent polymers of different chemical structures
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2019.105789
Abstract: Abstract This study investigates the absorption behavior of superabsorbent polymer (SAP) with different chemical structures and their effect on cement hydration, early-age autogenous shrinkage and mechanical properties of cement paste. SAP with high density of… read more here.
Keywords: anionic groups; chemical structures; curing superabsorbent; internal curing ... See more keywords
An overview on the effect of internal curing on shrinkage of high performance cement-based materials
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.04.154
Abstract: Abstract High performance cement-based materials, such as high or ultra-high performance concrete (HPC or UHPC) have been widely used and still faces the risk of cracking caused by shrinkages, especially autogenous shrinkage. Internal curing is… read more here.
Keywords: performance cement; internal curing; high performance; shrinkage ... See more keywords
Superabsorbent polymers as internal curing agents in alkali activated slag mortars
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2017.10.121
Abstract: Abstract The aim of this study was to investigate the potential use of superabsorbent polymers (SAPs) as internal curing agents to mitigate the autogenous shrinkage of alkali activated slag (AAS) mortar. The autogenous shrinkage, compressive… read more here.
Keywords: internal curing; activated slag; polymers internal; superabsorbent polymers ... See more keywords
Highly absorptive normal weight aggregates for internal curing of concrete
Sign Up to like & getrecommendations! Published in 2018 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2018.05.205
Abstract: Abstract The objective of this research was to develop an internal curing (IC) approach aiming to reduce early-age shrinkage and maintain the materials properties intact. Attention was given on delivering curing water within the material’s… read more here.
Keywords: internal curing; weight aggregates; normal weight; absorptive normal ... See more keywords
Investigation on the potential utilization of zeolite as an internal curing agent for autogenous shrinkage mitigation and the effect of modification
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
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
Preventive effects of polypropylene and jute fibers on spalling of UHPC at high temperatures in combination with waste porous ceramic fine aggregate as an internal curing material
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.02.056
Abstract: Abstract The use of ultra-high-performance concrete (UHPC) with internal curing (IC) increases composite strength but increases the risk of spalling under high temperatures. As including fibers in the composite can mitigate this risk, this study… read more here.
Keywords: preventive effects; internal curing; polypropylene jute; jute fibers ... See more keywords
Does enhanced hydration have impact on autogenous deformation of internally cued mortar?
Sign Up to like & getrecommendations! Published in 2019 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.03.165
Abstract: Abstract To better understand the impact of internal curing water on autogenous deformation of cementitious materials, three cements, with different fineness, were made from the same batch of clinker. Setting time, internal relative humidity (IRH),… read more here.
Keywords: autogenous deformation; enhanced hydration; internal curing; mortar ... See more keywords
Research on water transport behaviors and hydration characteristics of internal curing pavement concrete
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.118714
Abstract: Abstract This paper presents the influence of internal curing agent (super absorbent polymer, SAP) on the water transport behaviors and hydration characteristics of pavement concrete. The 1H nuclear magnetic resonance (NMR) test was performed to… read more here.
Keywords: transport behaviors; internal curing; pavement concrete; water transport ... See more keywords