Particle Shape Effect on Macroscopic Behaviour of Underground Structures: Numerical and Experimental Study - Publikacja - MOST Wiedzy

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Particle Shape Effect on Macroscopic Behaviour of Underground Structures: Numerical and Experimental Study

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Abstract: The mechanical performance of underground flexible structures such as buried pipes or culverts made of plastics depend not only on the properties of the structure, but also on the material surrounding it. Flexible drains can deflect by 30% with the joints staying tight, or even invert. Large deformations of the structure are difficult to model in the framework of Finite Element Method, but straightforward in Discrete Element Methods. Moreover, Discrete Element approach is able to provide information about the grain–grain and grain–structure interactions at the microscale. This paper presents numerical and experimental investigations of flexible buried pipe behaviour with focus placed on load transfer above the buried structure. Numerical modeling was able to reproduce the experimental results. Load repartition was observed, being affected by a number of factors such as particle shape, pipe friction and pipe stiffness.

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Kategoria:
Publikacja w czasopiśmie
Typ:
artykuły w czasopismach recenzowanych i innych wydawnictwach ciągłych
Opublikowano w:
Studia Geotechnica et Mechanica nr XXXVI, strony 67 - 74,
ISSN: 0137-6365
Język:
angielski
Rok wydania:
2014
Opis bibliograficzny:
Szarf K., Combe G., Villard P.: Particle Shape Effect on Macroscopic Behaviour of Underground Structures: Numerical and Experimental Study// Studia Geotechnica et Mechanica. -Vol. XXXVI., nr. 3 (2014), s.67-74
DOI:
Cyfrowy identyfikator dokumentu elektronicznego (otwiera się w nowej karcie) 10.2478/sgem-2014-0028
Weryfikacja:
Politechnika Gdańska

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