Measuring Alkali-Silica Reaction (ASR) Microscale Damage in Large-Scale Concrete Slabs Using Nonlinear Rayleigh Surface Waves
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Nondestructive Evaluation"
DOI: 10.1007/s10921-017-0410-z
Abstract: The second harmonic generation (SHG) of nonlinear Rayleigh waves is applied to characterize the damage state induced by alkali-silica reaction (ASR) in large-scale plain concrete slabs. A measurement setup that uses a wedge transmitter and… read more here.
Keywords: large scale; concrete slabs; nonlinear rayleigh; damage ... See more keywords
Recycling of Glass Cullet and Glass Powder in Alkali-Activated Cement: Mechanical Properties and Alkali–Silica Reaction
Sign Up to like & getrecommendations! Published in 2020 at "Waste and Biomass Valorization"
DOI: 10.1007/s12649-020-01102-5
Abstract: This study investigated the compressive strength, drying shrinkage and alkali-silica reaction (ASR) expansion of alkali-activated mortars using sand or glass cullet (GC) as aggregates and using glass powder (GP) to partially replace ground granulated furnace… read more here.
Keywords: drying shrinkage; expansion; glass; alkali silica ... See more keywords
Concrete Expansion Induced by Alkali–Silica Reaction in a Small Arch Dam
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Civil Engineering"
DOI: 10.1007/s40999-016-0127-x
Abstract: Alkali–aggregate reaction in concrete structures consists of a chemically deleterious reaction between alkalis liberated during the cement hydration and reactive minerals present in the aggregates like silica, silicate or carbonate. The process leads to the… read more here.
Keywords: expansion; dam; concrete expansion; reaction ... See more keywords
Structural characterization of alkali-silica reaction gel: An x-ray absorption fine structure study
Sign Up to like & getrecommendations! Published in 2019 at "Cement and Concrete Research"
DOI: 10.1016/j.cemconres.2019.05.019
Abstract: Abstract This paper sets out to acquire information on the atomic structure of the alkali-silica reaction gel by using the x-ray absorption fine structure (XAFS) technique to improve the understanding of the mechanism of expansion.… read more here.
Keywords: alkali silica; gel; structure; reaction gel ... See more keywords
Potential of rice husk ash for mitigating the alkali-silica reaction in mortar bars incorporating reactive aggregates
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2016.11.126
Abstract: Abstract Alkali-silica reaction (ASR) in concrete structures is very common problem around the globe. In this study, the potential of rice husk ash (RHA) in mitigating the ASR expansion was investigated. For this purpose, aggregates… read more here.
Keywords: expansion; alkali silica; mortar bars; rha ... See more keywords
Lithium migration in a two-chamber set-up as treatment against expansion due to alkali–silica reaction
Sign Up to like & getrecommendations! Published in 2017 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2016.12.052
Abstract: Alkali–silica reaction (ASR) affects numerous concrete structures worldwide. However, the intervention options for ASR in existing structures are limited. Lithium is proposed to suppress expansion. In this paper, an investigation on two-chamber lithium migration as… read more here.
Keywords: expansion; treatment; lithium migration; migration ... See more keywords
Effect of alkali-silica reaction on the fracture properties of confined concrete
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117641
Abstract: Abstract Alkali-silica reaction (ASR), which was recently discovered in nuclear power plant structures commonly without shear reinforcement, has previously been shown to induce anisotropic expansion in confined concrete. The fracture properties (strength, stiffness, and specific… read more here.
Keywords: fracture; asr induced; fracture properties; silica reaction ... See more keywords
Non-destructive non-invasive assessment of the development of alkali-silica reaction in concrete by spectral induced polarization: Evaluation of the complex electrical properties
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2019.117719
Abstract: Abstract The distress caused by alkali-silica reaction (ASR) to concrete structures can occur long time after the reaction has been triggered. We propose to use spectral induced polarization (SIP) as a non-destructive method for early… read more here.
Keywords: polarization; time; reaction; silica reaction ... See more keywords
Relation between mechanical properties of concrete and alkali-silica reaction (ASR); a review
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.119567
Abstract: Abstract Alkali-Silica Reaction (ASR), as a harmful internal reaction in concrete, produces deleterious gel, which occurs due to the reaction between the reactive silica in the aggregate and the alkalis of the pore solution. Because… read more here.
Keywords: asr; mechanical properties; silica reaction; alkali silica ... See more keywords
Microscopic assessment of recycled concrete aggregate (RCA) mixtures affected by alkali-silica reaction (ASR)
Sign Up to like & getrecommendations! Published in 2020 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.121250
Abstract: Abstract Recycled concrete aggregates (RCA) are deemed an efficient approach to reduce waste yet, the presence of previous alkali-silica reaction (ASR) causes reservations towards its use in new construction. In this work, RCA specimens are… read more here.
Keywords: asr; reaction asr; rca; silica reaction ... See more keywords
Alkali-silica reaction and strength of concrete with pretreated glass particles as fine aggregates
Sign Up to like & getrecommendations! Published in 2021 at "Construction and Building Materials"
DOI: 10.1016/j.conbuildmat.2020.121809
Abstract: Abstract In this study, the strength and alkali-silica reaction (ASR) of concrete by incorporating pretreated soda-lime glass particles as fine aggregates were investigated. The glass aggregates were pretreated with three different solutions: Ca(OH)2, NaOH, and a… read more here.
Keywords: strength; glass particles; glass; silica reaction ... See more keywords