Experimental study on the working and mechanical properties of high performance cementitious structural grouts

• Autorzy: Zhang Lu , Liu Mengmeng

Identyfikatory

DOI

10.2478/eces-2021-0032

• Języki publikacji: EN

Abstrakty

EN

By using the experimental study method, the working properties and mechanical properties of grouting materials were determined by changing the cement-sand ratio, water-cement ratio, and cement admixtures. The main factors affecting the properties of grouting materials and the mutual influence rules of various factors are analysed and determined, and the best value range is obtained. Finally, the compressive strength of 28-day ordinary Portland cement structure grouting is optimised to 50-80 MPa. Based on the grouting ratio of ordinary Portland cement, an experimental study on the early strength structure paste of sulphate aluminate cement was carried out. The paste with one day strength as high as 70 MPa and good compatibility was prepared, and the early strength change law of the optimum ratio was deduced.

Słowa kluczowe

EN

cementitious structural grout; cement-sand ratio; water-cement ratio; workability; mechanical properties

PL

fuga cementowa; wskaźnik wodno-cementowy; obrabialność; właściwości mechaniczne

• Wydawca: Towarzystwo Chemii i Inżynierii Ekologicznej
• Czasopismo: Ecological Chemistry and Engineering. S
• Rocznik: 2021
• Tom: Vol. 28, nr 4
• Strony: 487--498
• Opis fizyczny: Bibliogr. 21 poz., tab., wykr.

Twórcy

autor

Zhang Lu

• Chengdu Textile College, Chengdu, 610039, China

• https://orcid.org/0000-0001-8875-2896

autor

Liu Mengmeng

• School of Architecture and Civil Engineering, Xihua University, Chengdu 610039 China

Bibliografia

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