The effects of Nano SiO2 and Silica Fume on the properties of concrete

• Autorzy: Tran Huu-Bang , Phan Vu To-Anh

Identyfikatory

DOI

10.24425/ace.2022.140649

• Języki publikacji: EN

Abstrakty

EN

This study investigates the effects of Nano SiO2 (NS) and Silica fume (SF) on the mechanical properties and durability of Portland cement concrete. On specimens with varying NS and SF concentrations, compressive strength, flexural strength, abrasion resistance, elastic modulus, and chloride ion penetration were all tested. All specimens were subjected to the proposed method/technique cured at the ages of 3, 7, 28, and 60 days. NS particles were added to cement concrete at various replacements of 0, 0.5, 1.0, 1.5, and 2.0% by the mass of the binder. The water/binder ratio has remained at 0.37 for all mixes. Then, for cement-concrete were prepared 45 MPa (C45) with NS and SF. The specimens confirm the new method effectiveness evaluation were prepared under two different categories: (1) Portland cement replacement with NS of 0%, 0.5%, 1.0%, 1.5%, and 2.0%, by weight for adhesives; (2) Portland cement replacement with NS of 0.5%, 1.0% and each NS content in combination with SF of 5%, 10%, and 15%, respectively, by weight for adhesives. The results indicated that the abrasion resistance and Chloride ion penetration of concrete containing NS and SF are improved. Finally, an analytical model for forecasting the Elastic modulus, flexural strength, and compressive strength of cement concrete was established from obtained data.

Słowa kluczowe

EN

elastic modulus; nanokrzemionka; silica fume; compressive strength; flexural strength; abrasion resistance; chloride ion penetration; Portland cement concrete; concrete properties

PL

moduł sprężystości; nanokrzemionka; pył krzemionkowy; wytrzymałość na ściskanie; wytrzymałość na zginanie; odporność na ścieranie; jon chlorkowy; penetracja; beton cementowy; właściwości betonu

• Wydawca: Komitet Inżynierii Lądowej i Wodnej PAN ; Politechnika Warszawska, Wydział Inżynierii Lądowej
• Czasopismo: Archives of Civil Engineering
• Rocznik: 2022
• Tom: Vol. 68, nr 2
• Strony: 391--407
• Opis fizyczny: Bibliogr. 33 poz., il., tab.

Twórcy

autor

Tran Huu-Bang

• Faculty of Architecture, Thu Dau Mot University, Binh Duong Province, Vietnam

• https://orcid.org/0000-0001-5351-4177

autor

Phan Vu To-Anh

• Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam

• https://orcid.org/0000-0002-3928-7008

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).