Study on the effect of nanosilica suspension on the properties of cement-based grouts

• Autorzy: Li Shuiping , Chao Wei , Li Wei , Cheng Jian , Yuan Bin

Identyfikatory

DOI

10.2478/msp-2022-0054

• Języki publikacji: EN

Abstrakty

EN

The agglomeration trend of nanosilica particles was found to significantly affect the properties of cement-based materials. The influence of nanosilica suspension on the fluidity, setting time, and compressive strength of cement-based grouts were studied. The hardened pastes were characterized by thermogravimetric (TG) analysis and scanning electron microscopy (SEM). The results showed that the fluidity of cement-based grouts with nanosilica suspension had obviously improved. The setting time was obviously decreased, compared with the reference sample. The compressive strengths for 1 day, 3 days, and 28 days were 12.8%, 14.3%, and 10.1% higher than that of the reference group, respectively. This paper may provide a novel route to improve the mechanical properties of cement-based materials without affecting their workability.

Słowa kluczowe

EN

cement; nanosilica; scanning electron microscope; compressive strength

• Wydawca: De Gruyter
• Czasopismo: Materials Science Poland
• Rocznik: 2022
• Tom: Vol. 40, No. 4
• Strony: 171--182
• Opis fizyczny: Bibliogr. 36 poz., rys., tab.

Twórcy

autor

Li Shuiping

• College of Architectural Science and Engineering, Yangzhou University, China

autor

Chao Wei

• College of Architectural Science and Engineering, Yangzhou University, China

autor

Li Wei

• College of Architectural Science and Engineering, Yangzhou University, China

autor

Cheng Jian

• College of Architectural Science and Engineering, Yangzhou University, China

autor

Yuan Bin

• College of Architectural Science and Engineering, Yangzhou University, China

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).