Plasticizer and Superplasticizer Compatibility with Cement with Synthetic and Natural Air-Entraining Admixtures

Łaźniewska-Piekarczyk, Beata; Miera, Patrycja; Szwabowski, J.

doi:10.1088/1757-899x/245/3/032094

Cited by 12 publications

(3 citation statements)

References 6 publications

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“…The calculated value of the brand strength was determined by Eqs. (10). The test results for determining compressive strength are shown in Table 3, photos are shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

“…Currently, one of the dominant issues facing non-ferrous metallurgy enterprises is to increase the productivity of uidized bed roasting furnaces by increasing the lifetime of the furnace [9]. Therefore, to solve this issue, it is proposed to replace the traditional method of lining uidized bed furnaces with piece materials uidized bed with a monolithic concrete version, but for this it is necessary to prove that heatresistant concrete meets the technological requirements of these furnaces [10]. The technological feature of uidized bed furnaces is that the lining is simultaneously affected by high temperatures up to 1000°C and an aggressive environment caused by sulfur dioxide SO 3 .…”

Section: Introductionmentioning

confidence: 99%

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Experimental Studies of Heat Resistance and Compressive Strength of Heat-Resistant Concrete

Apshikur,

Goltsev,

Alimkulov

et al. 2024

Preprint

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The research purpose of the work is to extend the service life by experimental study of the performance of the liquid-layer furnace. Here, instead of large and small aggregates, the effect of the use of secondary refractory substances in reducing the cost of the concrete mixture is studied. The value of the study is to prove that heat-resistant concrete meets the technological requirements of a liquid-layer furnace, as well as experimental confirmation of the possibility of using secondary refractory materials as heat-resistant concrete aggregates. To solve this problem, it was proposed to replace the traditional method of facing the boiling floor furnaces (Fireclay brick of the SHB brand) with a monolithic concrete version. Considering that the technological feature of the boiling layer of the furnace is a high temperature up to 1000°C and an aggressive environment that causes SO3 gaseous sulfur, one of the well-known types of heat-resistant concretes, the sodium-infused liquid glass concrete type is selected as the base, and instead of cement, it is recommended to use liquid glass with low thermal conductivity, such as a material in the amorphous phase and a glass-layered composite viscous substance.

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“…The calculated value of the brand strength was determined by Eqs. (10). The test results for determining compressive strength are shown in Table 3, photos are shown in Fig.…”

Section: Resultsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental Studies of Heat Resistance and Compressive Strength of Heat-Resistant Concrete

Apshikur,

Goltsev,

Alimkulov

et al. 2024

Preprint

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show abstract

“…The amount of air content in concrete also depends on the type and amount of superplasticizer (Szwabowski and Łaźniewska-Piekarczyk 2009;Mazloom et al 2018). The air content in OPC concrete primarily increased with the addition of superplasticizer as a result of a decrease in surface tension of water (Safiuddin et al 2011;Dils et al 2013;Łaźniewska-Piekarczyk 2014Łaźniewska-Piekarczyk , 2015Łaźniewska-Piekarczyk , 2017Mazloom et al 2018). Contrarily, it was found that with an increase in the superplasticizer dosage, the air content was decreased (Nowak-Michta 2015).…”

Section: Introductionmentioning

confidence: 99%

Performance of Superplasticizers in Alkaline Environment of Self Compacting Geopolymer Mortar

Ghafoor

Fujiyama

2022

ACT

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Self-compacting geopolymer concrete (SCGC) is a revolutionary concept in the construction industry. This study fills the research gap by determining the impact of six different types of commercially available superplasticizers on the flow properties, dry density and compressive strength of SCGM. It was investigated that the relationship between relative flow area (G m ) and relative flow speed (R m ) of SCGM depends on the type of superplasticizer. The test results exhibited that a polyaryl ether-based superplasticizer performed better in increasing the flow deformability and flow speed of SCGM in comparison to melamine-based and naphthalene-based superplasticizers. The excessive increase in air content of SCGM paste with the addition of some superplasticizers had a negative impact on the flow properties. The increase in sodium oxide to silica molar ratio (Na 2 O/SiO 2 ) and sodium oxide to water molar ratio (Na 2 O/H 2 O) both had a negative impact on the flow properties of SCGM. It was determined that beyond a trigger value of Na 2 O/SiO 2 of 0.171, the impact of the superplasticizer in separating the flowing particles of SCGM became insignificant, resulting in the flash setting. Moreover, the addition of each type of superplasticizer had a negative impact on the dry density and compressive strength of SCGM.

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Influence of Industrial Waste Pozzolanic Additives on the Structure and Properties of Expanded Glass Granules Cement-Based Composite

Sikarskas,

Antonovič,

Malaiškienė

et al. 2023

Lecture Notes in Civil Engineering

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Plasticizer and Superplasticizer Compatibility with Cement with Synthetic and Natural Air-Entraining Admixtures

Cited by 12 publications

References 6 publications

Experimental Studies of Heat Resistance and Compressive Strength of Heat-Resistant Concrete

Experimental Studies of Heat Resistance and Compressive Strength of Heat-Resistant Concrete

Performance of Superplasticizers in Alkaline Environment of Self Compacting Geopolymer Mortar

Influence of Industrial Waste Pozzolanic Additives on the Structure and Properties of Expanded Glass Granules Cement-Based Composite

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