Cellular Concrete with Variable Density from Vietnam Raw Materials

Number of journal: 11-2024
Autors:

Tang Van Lam,
Pham Duc Luong,
Vo Dinh Trong,
Bulgakov B.I.,
Bazhenova S.I.

DOI: https://doi.org/10.31659/0585-430X-2024-830-11-79-86
УДК: 666.973.6

 

AbstractAbout AuthorsReferences
The existing methods of obtaining cellular concrete products with a variatropic structure are analyzed. It is revealed that each of them has its own advantages and disadvantages. A new technology for the production of cellular concretes of variable density has been developed, which makes it possible to manufacture construction products in Vietnam from local raw materials with high performance characteristics and meeting modern requirements for energy efficiency and durability.According to the test results, it was found that at the hardening age of 28 days, the average density in the dry state and in the state of normal humidity is in the range of 1085–1608 and 960–1517 kg/m3, respectively. Strength tests have shown that the developed concrete reaches an average compressive strength of 13.5–25.4 MPa on the 28th day of hardening. It can be concluded that the combination of foam and gas-forming components used in the formulation made it possible to obtain cellular concrete with an anisotropic structure, having the required indicators of compressive strength and average density in a wet state, which will be in demand in Vietnam during the construction of facilities for various purposes.
TANG VAN LAM1, Candidate of Sciences (Engineering), Lecturer-Researcher (This email address is being protected from spambots. You need JavaScript enabled to view it.),
PHAM DUC LUONG1, Master (This email address is being protected from spambots. You need JavaScript enabled to view it.),
VO DINH TRONG1, Student (This email address is being protected from spambots. You need JavaScript enabled to view it.);
B.I. BULGAKOV2, Candidate of Sciences (Engineering), Associate Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.),
S.I. BAZHENOVA2, Candidate of Sciences (Engineering), Associate Professor (This email address is being protected from spambots. You need JavaScript enabled to view it.)

1 Hanoi University of Mining and Geology (18, Pho Vien, Duc Thang, Bac Tu Liem, Hanoi, Vietnam)
2 National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)

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For citation: Tang Van Lam, Pham Duc Luong, Vo Dinh Trong, Bulgakov B.I., Bazhenova S.I. Cellular concrete with variable density from Vietnam raw materials. Stroitel'nye Materialy [Construction Materials]. 2024. No. 11, pp. 79–86. (In Russian). DOI: https://doi.org/10.31659/0585-430X-2024-830-11-79-86


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