Temat: plastic strip - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Pure bending of strip (beam) with crack in strip of tensile stress with allowance for plastic strips near crack tips
Autorzy:: Sulym, Heorgij
Opanasovych, Viktor
Slobodian, Mykola
Bilash, Oksana
Powiązania:: https://bibliotekanauki.pl/articles/387360.pdf
Data publikacji:: 2020
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: pure bending
strip
beam
crack
plastic strip
linear conjugation problems
Opis:: In the article, the pure bending problem for strip (beam) with straight, perpendicular to its axis crack located in the zone of tensile stresses is investigated on the assumption of narrow plastic strips near crack tips. Using methods of the theory of functions of a complex variable and complex potentials, the problem is reduced to the several linear conjunction problems. The solutions of latter problems are ob-tained in the class of functions confined in the edges of plastic strips. Formulas for the calculation of their lengths are derived. Expressions for the determination of crack tip opening values are written. Numerical analysis of the problem is performed.
Źródło:: Acta Mechanica et Automatica; 2020, 14, 1; 44-49
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Udarno-ustalostnaja i staticheskaja treshhinostojjkost konstrucionnykh materialov i polosy plastichnosti u vershiny iskhodnojj treshhiny
The shock-fatigue and static crack resistance of metal construction materials and the crack tip plasticity strips
Autorzy:: Kohut, N.
Powiązania:: https://bibliotekanauki.pl/articles/78093.pdf
Data publikacji:: 2015
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: fatique
beam
static resistance
diffraction line
bending stress
plastic strip
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2015, 17, 4
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Application of the deformation fracture criterion to cracking of disc specimens with a central narrow slot
Autorzy:: Kazberuk, Andrzej
Powiązania:: https://bibliotekanauki.pl/articles/2204693.pdf
Data publikacji:: 2022
Wydawca:: Politechnika Białostocka. Oficyna Wydawnicza Politechniki Białostockiej
Tematy:: cracked Brazilian disc
Dugdale model
plastic strip
fracture deformation criterion
singular integral equations
Opis:: Using the method of singular integral equations, the elastic-plastic problem for cracked Brazilian disk was solved. Based on the Dugdale model and deformation fracture criterion, the relationships between critical load, notch tip opening displacement and length of the plastic strips were established. Also, the comparison between the present solution for the finite domain and the known solution obtained for the semi-infinite notch in the elastic plane was performed.
Źródło:: Acta Mechanica et Automatica; 2022, 16, 4; 393--398
1898-4088
2300-5319
Pojawia się w:: Acta Mechanica et Automatica
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Study on some of the strength properties of soft clay stabilized with plastic waste strips
Autorzy:: Kabeta, Worku Firomsa
Powiązania:: https://bibliotekanauki.pl/articles/2173989.pdf
Data publikacji:: 2022
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: pasek plastykowy
stabilizacja
właściwości wytrzymałościowe
glina miękka
materiał odpadowy
plastic strip
stabilization
strength properties
soft clay
waste material
Opis:: It is well known that if plastic wastes are not well managed, it has a negative impact on the environment as well as on human health. In this study, recycling plastic waste in form of strips for stabilizing weak subgrade soil is proposed. For this purpose, a weak clay soil sample was mixed with 0.2%, 0.3%, and 0.4% of plastic strips by weight of soil, and the experimental results were compared to the control soil sample with 0% plastic. Laboratory tests on the Standard compaction test, Unconfined compression test (UCS), and California bearing ratio (CBR) were conducted according to the American Society for Testing and Materials (ASTM). The results of the study reveal that there are significant improvements in the strength of weak soil stabilized with plastic waste strips. Accordingly, the Standard Proctor test shows that there is a small increment in the maximum dry density of the soil when it is mixed with plastic strips. The result from the CBR test shows that there is a significant increment of CBR value with the plastic strip content. The unconfined compressive strength test also shows that increasing the percentage of plastic strips from 0 to 0.4% resulted in increased strength of soil by 138% with 2 cm length plastic strips. Therefore, this study recommends the application of plastic strips for improvement of the strength of soft clay for subgrade construction in civil engineering practice as an alternative weak soil stabilization method.
Źródło:: Archives of Civil Engineering; 2022, 68, 3; 385--395
1230-2945
Pojawia się w:: Archives of Civil Engineering
Dostawca treści:: Biblioteka Nauki

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