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Wyszukujesz frazę "Yu, B" wg kryterium: Autor


Wyświetlanie 1-2 z 2
Tytuł:
Investigation of non-autoclaved foam-concrete beams reinforced with bamboo
Autorzy:
Demchyna, B.
Lysiuk, S.
Famulyak, Yu.
Powiązania:
https://bibliotekanauki.pl/articles/378666.pdf
Data publikacji:
2019
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
lateral bending
reinforced concrete beams
lightweight foam-concrete
bamboo reinforcement
gięcie boczne
belka żelbetowa
lekki beton piankowy
wzmocnienie bambusowe
Opis:
Purpose: of this paper presents the experimental results of a study of strength and flexural behaviour of non-autoclaved foam-concrete beams reinforced with bamboo Design/methodology/approach: Six experimental samples of reinforced lightweight foamed concrete beams with hardened density D800 and D1200 with the same bamboo reinforcement were tested on lateral bending. Findings: A low level of anchoring of bamboo reinforcement in foam-concrete beams can provide their premature destruction. Research limitations/implications: Next experiments should be provided for improving the anchoring of bamboo reinforcement such as the bad adhesion between the bamboo and foam-concrete caused premature destruction of experimental samples. Practical implications: Replacement of steel reinforcement on the bamboo one in foamconcrete structures can be economical benefit. Originality/value: Increasing of experimental base leads to developing and creating new building standards in the nearest future.
Źródło:
Archives of Materials Science and Engineering; 2019, 96, 2; 56-62
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Gas hydrates impact on corrosion of the well flow lines material
Autorzy:
Poberezhny, L.
Hrytsanchyk, A.
Mandryk, O.
Poberezhna, L.
Popovych, P.
Shevchuk, O.
Mishchuk, B.
Rudyak, Yu.
Powiązania:
https://bibliotekanauki.pl/articles/2175767.pdf
Data publikacji:
2021
Wydawca:
Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:
gas hydrate
oil and gas region
corrosion-mechanical tests
influence of hydrate formation
inner pipe corrosion
hydraty gazowe
region ropy i gazu
badania korozyjno-mechaniczne
wpływ tworzenia się hydratów
korozja rur wewnętrznych
Opis:
Purpose: Determination of regularities of joint action of mechanical stresses, formation water and hydrate formation on corrosion of material of flow pipelines. Design/methodology/approach: According to the analysis of reservoir water of the investigated deposits, it was found that the main corrosive component is soluble chlorides. Proposed for corrosion and corrosion-mechanical tests of 6 model environments. An estimation of the influence of stress concentration, depending on the defects of the inner wall of the pipe, was carried out, and the nominal local stresses in the pipeline was carried. Findings: The basic regularities of influence of stress and hydration formation on corrosion and localization of corrosion processes and on the kinetics of deformation of samples are described. For samples made of steel 20 and 17GS, an increase in the velocity of general and local corrosion for samples sustained in the gas hydrate was observed compared to the control results obtained, the coefficient of influence of the gas hydrate on corrosion was calculated. Research limitations/implications: The obtained results are valid for thermobaric operating conditions of well flow lines. Practical implications: The data obtained in the work on the patterns of corrosion processes and the impact of hydrate formation on them will allow to identify potentially dangerous areas of flow lines and prevent emergencies. Originality/value: Based on the analysis of the geometric dimensions of the defects, the effective stress concentration coefficients are calculated, and it is shown that the stresses in the vicinity of corrosion defects in normal operating modes range from 164 to 545 MPa.
Źródło:
Archives of Materials Science and Engineering; 2021, 110, 1; 5--17
1897-2764
Pojawia się w:
Archives of Materials Science and Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
    Wyświetlanie 1-2 z 2

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