Heat and Mass Transfer Processes during Winter Concreting of a Slab Foundation
https://doi.org/10.22227/2949-1622.2026.1.46-52
Abstract
Monolithic concreting works are carried out year-round. One of the challenges is construction work in the winter season, specifically the effect of subzero temperatures on the concrete hardening process in the structure. This is because the mixing water that has not reacted with the cement freezes, expanding in volume by 9 %. As a result, internal stresses arise in the concrete, leading to a disruption of its structure. This article presents the problem of determining temperature and mass fields in a flat monolithic reinforced concrete structure during winter concreting. The initial heat and mass transfer equations and boundary conditions are presented, allowing for the modeling of eight real-world situations that arise during concreting. During operation, building and structural systems may be subjected to various types of accidental actions, creating a risk of complete or partial collapse.
About the Author
A. M. Ibragimov
Moscow State University of Civil Engineering (National Research University) (MGSU)
Russian Federation
Russian Federation
Alexander M. Ibragimov, Doctor of Technical Sciences, Professor, Professor at the Department of Metal and Wooden Structures
26 Yaroslavskoe shosse, Moscow, 129337
Scopus: 57189524528, ResearcherID: AFN-6830-2022
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Review
For citations:
Ibragimov A.M. Heat and Mass Transfer Processes during Winter Concreting of a Slab Foundation. Reinforced concrete structures. 2026;13(1):46-52. (In Russ.) https://doi.org/10.22227/2949-1622.2026.1.46-52
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