Abstract
One of the important aspects of the production technology of monolithic reinforced concrete is to ensure the rational temperature hardening of concrete that can provide high-quality concrete with a minimum duration of heat treatment and minimize energy costs. The article contains ways to solve the problem of ensuring a rational temperature setting of hardening. The task requires the development of a general method for calculating the temperature field of concrete in a hardening reinforced concrete structure. The proposed method of calculating considers a mathematical model of the temperature field in a hardening concrete structure of any shape with different conditions on the heat exchange surfaces and can be applied in various ways of heat treatment of concrete. For solving the equations of thermal conductivity and kinetics of heat release of concrete, the initial and boundary conditions must be specified. Moreover, the influence of reinforcing and simulation of heat distribution in the frozen basis is studied.
Highlights
In the construction industry, the direction of forming a set of measures for the use of technology and the organization of construction by the method of concrete and reinforced concrete monolithic housing construction has received a significant accelerated volume of implementation. [1,2,3]
It is necessary to know the dynamics of temperature fields in concrete structures for different methods of heat treatment
The article considered the task of ensuring rational temperature conditions for concrete hardening
Summary
In the construction industry, the direction of forming a set of measures for the use of technology and the organization of construction by the method of concrete and reinforced concrete monolithic housing construction has received a significant accelerated volume of implementation. [1,2,3]. For a satisfactory solution to this problem, it is necessary to have a common method of calculating the temperature field in the hardening concrete structure [8,9,10,11,12,13,17]. The implementation of this method of calculation using computer modeling has become possible and relevant due to the widespread use of computer technology in various fields of the economy. These characteristics include temperature, its rate of rising and temperature gradient [16,20]
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