Numerical Study of Rock Blasting; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Numerical Study of Rock Blasting; AIP Conference Proceedings; Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures

Bibliografiske detaljer
Parent link:	AIP Conference Proceedings Vol. 1683 : Advanced Materials with Hierarchical Structure for New Technologies and Reliable Structures.— 2015.— [020220, 4 p.]
Institution som forfatter:	Национальный исследовательский Томский политехнический университет (ТПУ) Институт физики высоких технологий (ИФВТ) Кафедра техники и электрофизики высоких напряжений (ТЭВН)
Andre forfattere:	Stefanov Yu. P., Bakeev R. A., Yudin A. S. Artem Sergeevich, Kuznetsova N. S. Nataliya Sergeevna
Summary:	Title screen The paper presents numerical simulation results on fracture of a concrete block due to dynamic explosive loads applied to the walls of a blast hole. Considered in the study is the influence of the pulse shape and rock properties on the pattern of irreversible deformation and cracking. It is found that a fractured zone bounded by a plastically deformed contour always arises around the explosion site. Comparison of elastoplastic deformation and fracture induced in the concrete block by explosion pulses of different durations and amplitudes shows that shorter pulses with higher amplitudes and steeper rise times provide a higher blasting efficiency. Режим доступа: по договору с организацией-держателем ресурса
Sprog:	engelsk
Udgivet:	2015
Fag:	электронный ресурс труды учёных ТПУ численные исследования динамические нагрузки горные породы деформации упруго-пластические деформации взрывы
Online adgang:	http://dx.doi.org/10.1063/1.4932910
Format:	Electronisk Book Chapter
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=645018

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