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Wyszukujesz frazę "concrete reinforcement" wg kryterium: Temat


Wyświetlanie 1-2 z 2
Tytuł:
Influence of the percentage of reinforcement damage on the bearing-capacity of RC beams
Autorzy:
Blikharskyy, Yaroslav
Selejdak, Jacek
Powiązania:
https://bibliotekanauki.pl/articles/2065649.pdf
Data publikacji:
2021
Wydawca:
Politechnika Częstochowska
Tematy:
żelbet
próbka pełnowymiarowa
nośność
uszkodzone zbrojenie
reinforced concrete
full-size sample
bearing capacity
damaged reinforcement
Opis:
This article presents the test results of reinforced concrete beams with different percentages of reinforcement damage. One of the main causes of structural damage is corrosion. The main cause of corrosion is an aggressive environment, which can endanger the environmental ecology. During the study, the effect of damage to reinforced concrete beams was investigated. The beams were produced full-sized, 100x200x2100 mm. According to the research program, 6 beams were tested, including undamaged control samples with a single reinforcement bar of ∅20 mm - BC-1 and BC-2; samples with a reinforcement bar of ∅20 mm with about 10% damage - BD-3 and BD-4; samples with a reinforcement bar of ∅20 mm with about 20% damage - BD-5 and BD-6. The reinforcement bar was damaged before concreting the samples. As a result, it was determined that a reduction in the bearing-capacity of the reinforced concrete beams depended on the percentage of damage to the reinforcement bar.
Źródło:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym; 2021, 10, 1; 145--150
2299-8535
2544-963X
Pojawia się w:
Budownictwo o Zoptymalizowanym Potencjale Energetycznym
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Mathematical modelling of stress-strain state of steel-concrete beams with combined reinforcemenent
Autorzy:
Selejdak, Jacek
Bobalo, Taras
Blikharskyy, Yaroslav
Dankevych, Iryna
Powiązania:
https://bibliotekanauki.pl/articles/26081279.pdf
Data publikacji:
2023
Wydawca:
Stowarzyszenie Menedżerów Jakości i Produkcji
Tematy:
wzmocnienie łączone
pręty zbrojeniowe o wysokiej wytrzymałości
konstrukcje stalowo-betonowe
projektowanie konstrukcji żelbetowych
wzmocnienie zewnętrzne
combined reinforcement
high-strength rebar
steel-concrete structures
design of RC structures
external reinforcement
Opis:
Most of the modern computer software for the building structures` calculation is based on mathematical dependencies which make it possible to analyse rather complex stress-strain state of structures subjected to loading. As a rule, the calculation is based on the finite element method and is reduced to the calculation of deformations arising in structures due to the action of external forces with the use of real strain diagrams of materials, σ-ε diagrams for concrete and reinforcement. Modern normative regulations for reinforced concrete structures` calculation are also based on the deformation model using material deformation diagrams, which are as close to the real ones, as possible. Therefore, this study was aimed to investigate in more detail the stress-strain state and the physical essence of the processes occurring in reinforced concrete structures with combined reinforcement according to mathematical approaches and regulations of DBN B.2.6-98:2009 and DSTU B. In 2.6-156:2010. Namely, in the research is analysed the combined reinforcement of S245 steel tapes and A1000 rebar, which is used in the production of reinforced concrete elements. The results of mathematical modelling were compared with the calculation results, according to DBN B.2.6-98: 2009 and DSTU B. B 2.6-156:2010, as well as with field experimental data. Therefore, the conclusion could be made, whether it is possible to use this technique with sufficient accuracy to calculate reinforced concrete structures with combined reinforcement.
Źródło:
Production Engineering Archives; 2023, 29, 1; 108--115
2353-5156
2353-7779
Pojawia się w:
Production Engineering Archives
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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