Abstract
This paper presents the physical phenomenon of concrete fracture process by static uniaxial compression. The analysis of strength characteristics of concrete is carried out using fracture mechanics technology, and what is more, the actual operating conditions of structures are evaluated. The expediency of using energy approach and kinetic theory is given to consider material fracture processes with a large number of defects.
Highlights
Nowadays, concrete and reinforced concrete are widely spread among building materials
This paper presents the physical phenomenon of concrete fracture process by static uniaxial compression
The analysis of strength characteristics of concrete is carried out using fracture mechanics technology, and what is more, the actual operating conditions of structures are evaluated
Summary
Concrete and reinforced concrete are widely spread among building materials. What is more, their application is increasing. This conclusion is based on the analysis of spatial arrangement of buildings and contemporary construction. It is reflected in a considerable increase in the number of storeys, construction sites and the use of frame monolithic structure of buildings that occur mainly in residential construction. Strength affects durability, it is necessary to consider such characteristics as porosity, crack strength that characterizes the properties of the material itself as well as the intensity of the external load. The control over the process of structure formation is possible only after the receipt of finished products
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