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Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient
المؤلفون المشاركون
Qin, Jun-Ling
Qiao, Wei-Guo
Zhang, Shuai
Wang, Ji-Yao
Li, Yanzhi
Song, Wei-Jie
المصدر
العدد
المجلد 2019، العدد 2019 (31 ديسمبر/كانون الأول 2019)، ص ص. 1-10، 10ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2019-10-10
دولة النشر
مصر
عدد الصفحات
10
التخصصات الرئيسية
الملخص EN
Laboratory experiments on fluid flow through fracture are important in solving the fluid-in-rush problems that happen during the tunnel excavation.
In order to study the mechanism of fluid flow through a rough-walled microfracture, fluid flow experiments were carried out and the fiber Bragg grating (FBG) strain sensors were applied to monitor the deformation of the microfracture surface during the seepage process.
Considering the difficulty of collection of undisturbed rock samples from the deep locations, a methodology to simulate fluid flow through a fractured rock mass using analog materials containing a single fracture was developed.
This method is easy to simulate the fluid flow through a fracture of certain aperture.
Experimental data showed that Forchheimer equation could provide an excellent description of the nonlinear relationship between hydraulic gradient and flow velocity, and the variations of Forchheimer coefficients with joint roughness coefficient (JRC) were studied.
It was found that the deformation of the microfracture surface subjected to seepage could be accurately captured by the quasi-distributed FBG strain sensors.
The test results also demonstrated that the surface strain is significantly affected by hydraulic pressure.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Zhang, Shuai& Qiao, Wei-Guo& Li, Yanzhi& Song, Wei-Jie& Qin, Jun-Ling& Wang, Ji-Yao. 2019. Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient. Geofluids،Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1153220
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Zhang, Shuai…[et al.]. Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient. Geofluids No. 2019 (2019), pp.1-10.
https://search.emarefa.net/detail/BIM-1153220
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Zhang, Shuai& Qiao, Wei-Guo& Li, Yanzhi& Song, Wei-Jie& Qin, Jun-Ling& Wang, Ji-Yao. Laboratory Simulation of Flow through Rough-Walled Microfractures under High Hydraulic Gradient. Geofluids. 2019. Vol. 2019, no. 2019, pp.1-10.
https://search.emarefa.net/detail/BIM-1153220
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-1153220
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