Open AccessOne of the approaches to the concrete strength mathematical model
Author(s) -
V. M. Nikonorov,
V. V. Nikonorov
Publication year - 2020
Publication title -
iop conference series. materials science and engineering
Language(s) - English
Resource type - Journals
eISSN - 1757-899X
pISSN - 1757-8981
DOI - 10.1088/1757-899x/945/1/012014
Subject(s) - cement , raw material , mathematical model , strength of materials , deformation (meteorology) , bond strength , sample (material) , bond , structural engineering , computer science , materials science , mathematics , engineering , composite material , statistics , chemistry , adhesive , organic chemistry , layer (electronics) , chromatography , finance , economics
The importance of concrete as a structural material is undeniable. The key indicator of concrete as a construction material is strength. Creating and solving a concrete strength mathematical model will allow optimizing raw material costs, increasing the financial result of concrete production, and managing the concrete strength at the stage of its production. The authors reviewed existing concrete strength mathematical models. In the considered models, the concrete strength was influenced by various factors – water-cement ratio, C3S hardness, etc. The authors used the kinetic theory of solid destruction as the basis for their mathematical model of concrete strength. The process of destruction of the sample is considered without deformation. Applying the concept of strained and broken bonds, the authors constructed and solved a concrete strength mathematical model. The main parameters of the model are the speed formation coefficient of the stressed bonds and the speed formation coefficient of destroyed bonds. The model allows estimating the time required for sample destruction at a given load. This is a non-trivial conclusion.