Comparison of Selected Properties of Portland Cement Based Materials and Alkali Activated Materials Based on Granulated Blast Furnace Slag

Mec, Pavel; Boháčová, Jana; Koňařík, Josef

doi:10.4028/www.scientific.net/msf.865.107

Cited by 3 publications

(1 citation statement)

References 5 publications

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“…Properties of the individual activators are shown in [17]. Activators amount was chosen based on the weight of blast furnace slag and according to previous research work [18,19].…”

Section: Other Modificationsmentioning

confidence: 99%

Preparation and Verification of Properties of Alkali-Activated Composite

Boháčová

Janalík

2019

SSP

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The paper deals to create alkali activated composite based on the recipe of high-strength concrete. The paper includes the review of conditions for high-strength concrete proposing and preparation. Principles of design of high performance concrete based on Portland cement as a binder were described. The experiment was focused on the strength investigation of composites with different ratios of cement to slag, and also the effect of used activator on strength parameters was investigated.

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“…Properties of the individual activators are shown in [17]. Activators amount was chosen based on the weight of blast furnace slag and according to previous research work [18,19].…”

Section: Other Modificationsmentioning

confidence: 99%

Preparation and Verification of Properties of Alkali-Activated Composite

Boháčová

Janalík

2019

SSP

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Environmentally benign production of one-part alkali-activated slag with calcined oyster shell as an activator

Yang

Jang

2020

Construction and Building Materials

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Influence of blast furnace slag type on physical and mechanical properties of Portland cement

Kapustin

Balueva²

2020

IOP Conf. Ser.: Mater. Sci. Eng.

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Physical properties, grain, chemical and mineral compositions of blast-furnace slags selected from the dumps of JSC ‘EVRAZ Nizhny Tagil metallurgical plant’ and PJSC ‘Nadezhdinski Metallurgical Plant’ were studied. Also, the same parameters of granulated blast-furnace slag of JSC ‘Mechel-Materialy’ currently used by cement plants in the Ural region as a mineral additive during Portland cement grinding were investigated. By chemical composition all of them are acidic. In contrast to granulated slag which mainly contains the vitreous phase dump slags are well crystallized and mainly contain the minerals okermanite, mervinite and monticellite. Dump slags have a Student’s t-criterion of more than 15.0, i.e. they can be used as a mineral additive during Portland cement grinding. The introduction of 20 % of the studied slags reduces the water demand of Portland cement of joint grinding and accelerates the setting of the cement paste, reduces the bending and compression strength compared to the additive-free cement. Slag-containing cements after 7 and 28 days of hardening have similar values of compressive strength: 27.2–29.2 and 41.1–43.0 MPa respectively, they are normally hardening and have a strength class of 42.5. Chemical, physical and mechanical properties of these cements meet the requirements of Russian Standard 31108–2016.

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Comparison of Selected Properties of Portland Cement Based Materials and Alkali Activated Materials Based on Granulated Blast Furnace Slag

Cited by 3 publications

References 5 publications

Preparation and Verification of Properties of Alkali-Activated Composite

Preparation and Verification of Properties of Alkali-Activated Composite

Environmentally benign production of one-part alkali-activated slag with calcined oyster shell as an activator

Influence of blast furnace slag type on physical and mechanical properties of Portland cement

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