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Shear Mechanical Behaviours and Multistrength Parameter Characteristics of Fault Gouge
المؤلفون المشاركون
Bao, Han
Qi, Qun
Lan, Hengxing
Yan, Changgen
Xu, Wei
Liu, Xin
Li, Langping
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-14، 14ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-11-18
دولة النشر
مصر
عدد الصفحات
14
التخصصات الرئيسية
الملخص EN
Fault gouge has special mechanical properties and remarkable engineering effects.
Using a ring shear test, the strength properties of the differently colored remolded fault gouges of the Shendaogou Fault in Yan’an were studied by changing moisture contents and normal stresses.
Chlorite and illite are the main clay minerals in fault gouges; differences in mineral composition make fault gouges appear in different colors.
Besides clay minerals, the dried fault gouges disintegration in water is also due to the transformation of gypsum.
The gradation of green fault gouge and multicolor fault gouge is better than that of the red fault gouge, while the fault gouges’ strain softening properties become weaker as the coarse grain content increases.
Affected by water content and normal stress, the shear planes can be divided into three failure modes: peeling failure, grooved failure, and sliding failure.
With the increase of water content, there will be a significant weakening on cohesion and friction angle.
A new parameter, the “Normal Stress Threshold (NST),” is introduced as a critical value for the emergence of the strain hardening phenomenon, and the NSTs of different fault gouges are significantly different.
The functions obtained from the relation of residual strength, peak strength, and normal stress can be used to calculate shear strength parameters under any normal stresses.
In addition, the residual strength of fault gouge is obviously different from clay and loess, which can be qualitatively explained by clay particle contents.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Bao, Han& Lan, Hengxing& Yan, Changgen& Xu, Wei& Liu, Xin& Li, Langping…[et al.]. 2019. Shear Mechanical Behaviours and Multistrength Parameter Characteristics of Fault Gouge. Advances in Civil Engineering،Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1116170
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Lan, Hengxing…[et al.]. Shear Mechanical Behaviours and Multistrength Parameter Characteristics of Fault Gouge. Advances in Civil Engineering No. 2019 (2019), pp.1-14.
https://search.emarefa.net/detail/BIM-1116170
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Bao, Han& Lan, Hengxing& Yan, Changgen& Xu, Wei& Liu, Xin& Li, Langping…[et al.]. Shear Mechanical Behaviours and Multistrength Parameter Characteristics of Fault Gouge. Advances in Civil Engineering. 2019. Vol. 2019, no. 2019, pp.1-14.
https://search.emarefa.net/detail/BIM-1116170
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1116170
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
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