Concrete Composition Optimization for Dry Hot Climate

Temperature and relative humidity fluctuations, as well as strong cyclic heating of exposed surfaces, negatively affect the concrete physical and mechanical properties and durability. Therefore, concrete and reinforced concrete structures service life increasing in dry, hot climates is a relevant task. The paper presents regression models describing the dependences of mobility along the cone sedimentation, plastic shrinkage, the period of the concrete structure formation hardening at elevated temperatures, the compressive strength during the concrete structure formation under normal conditions (t=20^оC, φ=60%) and during the concrete structure formation under modeling the dry hot climate conditions (t=45^оC, φ=30%), the flexural tensile strength during the concrete structure formation under normal conditions (t=20^оC, φ=60%) and under modeling the dry, hot climate conditions (t=45^оC, φ=30%) on the volume fraction of the composite binder and the volume fraction of water in the concrete.

O.A. LARSEN, Candidate of Sciences (Engineering), Docent (This email address is being protected from spambots. You need JavaScript enabled to view it.),
D.A.N. ALOBAIDI, Postgraduate 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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