High-Performance Concrete Produced With Locally Available Materials of Vietnam

Vietnam is a developing country. In recent years concrete has been widely used in most construction projects. However, Vietnam is one of the most severely affected country by climate change and sea level rise, especially in southern part of the country. The impact of seawater combined with technogenic waste impedes the development of necessary infrastructure, especially in coastal areas in the South of Vietnam. In such conditions, it is necessary to use high-performance concretes which have both the required strength and resistance in aggressive environments. The main objective of the study was design of high-performance concrete with compressive strength more than 80 MPa with mainly use of local materials of Vietnam. In this study was used locally available materials of Vietnam, which includes the following components: sulfate-resisting Portland cement – PCSR40; crushed granite as coarse aggregate with size of 5–10 and 10–20 mm; fine river sand with fineness modulus of 3; superplasticizer Sika^®ViscoCrete^®-151; fly ash as mineral admixture with class F (FA), silica flour (Qp) and silica fume (SF), and water. All concrete mixtures were designed according to Russian standard GOST 7473–2010 and GOST 10181–2014. The highest compressive strengths obtained at the age of 56 days was 109 MPa with mixes content: 10–12.5%SF+20-40%FA+20%Qp. This study has shown that HPC can be produced by using local materials of Vietnam. Concrete with high strength properties and optimal granulometric composition of raw materials was obtained to ensures high density packing of the grains. It makes possible to use high-strength concrete as constructional material in climate of Vietnam.

Yu.M. BAZHENOV, Doctor of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
O.V. ALEKSANDROVA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
NGUYEN DUC VINH QUANG, Postgraduate student (This email address is being protected from spambots. You need JavaScript enabled to view it.),
B.I. BULGAKOV, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
O.A. LARSEN, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
N.A. GAL'TSEVA, Candidate of Sciences (Engineering) (This email address is being protected from spambots. You need JavaScript enabled to view it.),
D.S GOLOTENKO, Student (This email address is being protected from spambots. You need JavaScript enabled to view it.)

National Research Moscow State University of Civil Engineering (26, Yaroslavskoe Highway, Moscow, 129337, Russian Federation)

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