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Experimental Investigation of Water Flow through Vesicular Fractures in Volcanic Rock
Xiaoming Liu1; Benliang Yang1; Lin-Shuang Zhao2; Wan-Huan Zhou3
2020-10
Source PublicationInternational Journal of Geomechanics
ISSN1532-3641
Volume20Issue:10Pages:04020170
Abstract

The vesicular structure of volcanic rocks may disrupt the fluid flow in fractures and make the mechanism of fracture flow more complicated. This study evaluated the characteristics of fracture flow associated with vesicular structure. To quantify the vesicular structure in the fracture surface, different arrangements and sizes of drilled holes were designed and manufactured in artificial single fracture samples and three associated factors of area ratio, depth, and diameter of drilled holes. A series of laboratory tests was conducted with different vesicular structure and fracture aperture. A nondimensional parameter, λ, was introduced to reveal the vesicular structure and the relationship between λ and the Reynolds number was established. The test results illustrate that the Reynolds number is sensitive to the vesicular structure in fracture surface. The vesicular structure could enhance the fracture flow rate when the flow rate is relatively small and vice versa. However, the fracture flow has no obvious change when varying each influencing factor related to vesicular structure separately. A new formula was obtained to estimate the fracture flow rate considering vesicular structure and the input variables contains fracture aperture and hydraulic gradient. The proposed formula was proven to be reasonable by comparing the measured data from the single fracture tests of real volcanic basalt samples.

KeywordFractured Flow Volcanic Basalt Rocks Vesicular Structure Cubic Law Reynolds Number
DOI10.1061/(ASCE)GM.1943-5622.0001815
URLView the original
Indexed BySCIE
Language英語English
WOS Research AreaEngineering
WOS SubjectEngineering, Geological
WOS IDWOS:000575121000018
PublisherASCE-AMER SOC CIVIL ENGINEERS, 1801 ALEXANDER BELL DR, RESTON, VA 20191-4400
Scopus ID2-s2.0-85089024394
Fulltext Access
FWCI0.0
Citation statistics
Document TypeJournal article
CollectionFaculty of Science and Technology
THE STATE KEY LABORATORY OF INTERNET OF THINGS FOR SMART CITY (UNIVERSITY OF MACAU)
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Corresponding AuthorLin-Shuang Zhao
Affiliation1.Dept. of Geotechnical Engineering,College of Civil Engineering,Hunan Univ.,Changsha,410082,China
2.State Key Laboratory of Internet of Things for Smart City,Dept. of Civil and Environmental Engineering,Univ. of Macau,Taipa,Avenida da Universidade,N21-1004,Macao
3.State Key Laboratory of Internet of Things for Smart City,Dept. of Civil and Environmental Engineering,Univ. of Macau,999078,Macao
Corresponding Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Xiaoming Liu,Benliang Yang,Lin-Shuang Zhao,et al. Experimental Investigation of Water Flow through Vesicular Fractures in Volcanic Rock[J]. International Journal of Geomechanics,2020,20(10):04020170.
APA Xiaoming Liu,Benliang Yang,Lin-Shuang Zhao,&Wan-Huan Zhou.(2020).Experimental Investigation of Water Flow through Vesicular Fractures in Volcanic Rock.International Journal of Geomechanics,20(10),04020170.
MLA Xiaoming Liu,et al."Experimental Investigation of Water Flow through Vesicular Fractures in Volcanic Rock".International Journal of Geomechanics 20.10(2020):04020170.
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