| Autor: |
V S Utkin, K A Karpushova |
| Rok vydání: |
2016 |
| Předmět: |
|
| Zdroj: |
Ekologiya i stroitelstvo. 4:4-8 |
| DOI: |
10.35688/2413-8452-2016-04-001 |
| Popis: |
In work the new method of calculation of reliability of reinforced concrete beams by criterion of durability of concrete in the compressed beam zone in crack arrangement section in the stretched concrete zone is considered. Novelty is that tension in beam concrete actually is determined by results of measurement of width of disclosure of a crack at the level of the center of working fittings. Besides in mathematical model of a limit state on durability of concrete other controlled parameters determined by measurements (height of the compressed beam zone, beam concrete durability) are used. Use of approach for calculations of reliability of a beam on the basis of the theory of opportunities and the theory of indistinct sets in connection with the limited volume of information on random variables belongs to novelty. Work is of interest to the experts ensuring safety of operation of the bearing reinforced concrete beams in the presence in them a beam, normal to a longitudinal axis, of the opened crack in the stretched concrete zone. For practical use the example of calculation of reliability is given. |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
|
