To the Shear Strength of Concrete
| Autor: | Oksana Dovzhenko, O E Zyma, Volodymyr Pohribnyi |
|---|---|
| Rok vydání: | 2020 |
| Předmět: |
Shearing (physics)
business.industry 020209 energy 0211 other engineering and technologies 02 engineering and technology Structural engineering Plasticity Pure shear Reinforced concrete Plasticity theory Variational method General theory 021105 building & construction 0202 electrical engineering electronic engineering information engineering Special case business Mathematics |
| Zdroj: | IOP Conference Series: Materials Science and Engineering. 753:052021 |
| ISSN: | 1757-899X 1757-8981 |
| DOI: | 10.1088/1757-899x/753/5/052021 |
| Popis: | Interpretations of the “pure shear” phenomenon were presented. The incompatibility of “pure shear” for concrete as a special case of stress state and destruction form was indicated. Due to the variety of cases of concrete and reinforced concrete elements destruction by shearing, it is impossible to establish a concrete shear strength single characteristic, and all its empirical values are particular for individual cases. As an alternative to calculating shear strength, a sufficiently strength calculating general theory of concrete and reinforced concrete elements under complex inhomogeneous stress-strain states, developed on the basis of the ideal concrete plasticity premise on the destruction surface and variational method, was proposed. The developed methodology has been comprehensively tested. An example of using the theoretical results of concrete elements strength solving the problem of the with a two-way strip load application by the variational method in the plasticity theory to determine the concrete strength characteristics was given. |
| Databáze: | OpenAIRE |
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