Results 201 to 210 of about 15,932 (235)

Unleashing recyclates for enhanced mechanical and durability performances of ternary blended concrete. [PDF]

PLoS One
Oyebisi S, Alquraish M.
europepmc   +1 more source

Unveiling the Degradation Mechanism of Impermeability and Pore Structure in Concrete Under Long-Term Water Exposure. [PDF]

Materials (Basel)
Wei H, Sun Y, Li C, He Y, Lu H, Tang L.
europepmc   +1 more source

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Degradation mechanisms of cast-in-situ concrete subjected to internal-external combined sulfate attack

Construction and Building Materials, 2020
Abstract In this paper, an experimental study was conducted to reveal the degradation mechanisms of cast-in-situ concrete induced by internal-external combined sulfate attack. The internal sulfate attack of concrete was conducted by adding extra sodium sulfate in concrete mixtures.
Jingpei Li, Lin Li, Henghui Fan
exaly   +2 more sources

New kinetic model to quantify the internal sulfate attack in concrete

Cement and Concrete Research, 2013
Kinetic and quantitative predictions of the internal sulfate attack (ISA) of concrete containing aggregates with iron sulfides have become a challenge, especially in the diagnosis of dams subject to expansive phenomenon. The present study proposes equations to quantify the expansion due to the iron sulfide oxidation and due to the secondary ettringite ...
Antonio Aguado, Sérgio Cavalaro
exaly   +2 more sources

Influence of internal curing and viscosity modifiers on resistance to sulfate attack

Materials and Structures/Materiaux Et Constructions, 2013
Sulfate attack is one of the common degradation mechanisms for concrete in severe environments. While various strategies for minimizing sulfate attack are well recognized, including using an ASTM C150 Type V cement, employing supplementary cementitious materials, and/or reducing water-to-cementitious materials ratio, this paper explores two new ...
Dale Bentz, Jeffrey M Davis
exaly   +2 more sources

Mitigation potential of sulfate-resistant Portland cement for internal sulfate attack

Journal of Building Pathology and Rehabilitation, 2021
R A Medeiros-Junior, Medeiros-Junior Ronaldo A   +1 more
exaly   +2 more sources

Curing Practices and Internal Sulfate Attack—The European Experience

Cement, Concrete, and Aggregates, 1999
Abstract The relationships between concrete curing procedures, materials composition, and internal sulfate attack damage will be discussed in view of the experience obtained in Europe in the 1970s and 1980s. The heat-treatment procedures that were introduced and specified to eliminate or minimize the damage will be highlighted and ...
J Skalny, FW Locher
openaire   +1 more source

Effect of internal sulfate attack on the properties of sulfate-resisting cement and alkali-activated slag

Geosystem Engineering, 2016
AbstractThis work aims at studying the effect of internal sulfate attack on the properties of sulfate-resisting cement (SRC) and alkali-activated slag (AAS). Blast-furnace slag was activated by 3% sodium hydroxide (NaOH) and 3% sodium silicate (Na2SiO3) by weight of slag.
H. A. Abdel Gawwad, S. Abd El-Aleem, A. S. Faried   +2 more
openaire   +1 more source

Internal sulfate attack in portland cement products - the role of microcracks

SP-170: Fourth CANMET/ACI International Conference on Durability of Concrete, 1997
Fourth CANMET/ACI International Conference Proceedings: 01 August 1997, Sydney ...
Fu, Y., Ding, J., Beaudoin, J. J.
openaire   +3 more sources

Expansion of portland cement mortar due to internal sulfate attack

Cement and Concrete Research, 1997
An exploratory test program was designed to determine the expansive potential of portland cement mortar due to internal sulfate attack initially moist-cured at high temperature. Expansion of cement mortars made with six different portland cements was measured.
Fu, Y., Ding, J., Beaudoin, J. J.
openaire   +2 more sources