Strength of shear bands in fluid-saturated rocks: a nonlinear effect of competition between dilation and fluid flow

Strength of shear bands in fluid-saturated rocks: a nonlinear effect of competition between dilation and fluid flow

التفاصيل البيبلوغرافية
Parent link:	Scientific Reports Vol. 8.— 2018.— [1428, 13 p.]
المؤلف الرئيسي:	Shilko E. V. Evgeny Viktorovich
مؤلف مشترك:	Национальный исследовательский Томский политехнический университет Инженерная школа новых производственных технологий Отделение материаловедения
مؤلفون آخرون:	Dimaki A. V. Andrey Viktorovich, Psakhie S. G. Sergey Grigorievich
الملخص:	Title screen This study shows the significant and nonlinear effect of the competition between dilation and fluid flow on the shear strength of constrained shear bands in fluid-saturated rocks. This effect is conditioned by the contribution of the pore pressure to the yield stress and strength. The pore pressure is controlled by the dilation of the pore space in the solid skeleton of the shear band during plastic deformation and by squeezing of pores in surrounding blocks by the dilating shear band due to the high stiffness of the host massif. A generalized equation has been derived to describe the dependence of the shear band strength on the ratio of strain rate to fluid flow rate.
منشور في:	2018
الموضوعات:	электронный ресурс труды учёных ТПУ
الوصول للمادة أونلاين:	https://doi.org/10.1038/s41598-018-19843-8
التنسيق:	الكتروني فصل الكتاب
KOHA link:	https://koha.lib.tpu.ru/cgi-bin/koha/opac-detail.pl?biblionumber=659110

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