Investigating the Scale Effect of Rock Mass in the Yangfanggou Hydropower Plant with the Discrete Fracture Network Engineering Approach

doi:10.1061/(ASCE)GM.1943-5622.0001584

	Investigating the Scale Effect of Rock Mass in the Yangfanggou Hydropower Plant with the Discrete Fracture Network Engineering Approach
	Cui, Zhen 1,2; Zhang, Yong-hui 1,2; Sheng, Qian 1,2; Cui, Lan 1,2
刊名	INTERNATIONAL JOURNAL OF GEOMECHANICS
	2020-04-01
卷号	20 期号:4 页码:11
关键词	Representative elementary volume Discrete fracture network engineering Synthetic rock mass Scale effect Mechanical properties
ISSN号	1532-3641
DOI	10.1061/(ASCE)GM.1943-5622.0001584
英文摘要	It is well known that there is a significant difference between the strength of an intact rock sample and that of an in situ rock mass. Studying the scale effect of a rock mass is important for the estimation of the rock mass strength. Discrete fracture network engineering (DFNE) has become a widely used technique in rock mechanics. However, its applications in scale-effect studies remain limited. One of the reasons might include the required cumbersome structural data mapping work. The major advantage of the DFNE application in a scale-effect study would be the capacity to investigate the scale effects of various parameters simultaneously. This paper provided a case study of an investigation of the scale-effect for a fractured rock mass with the DFNE approach. The rock mass of the right-bank slope of the Yangfanggou hydropower plant, China, was taken as the study case. A digital photogrammetry technique was adopted to perform the rock mass structural data mapping. With the collected data, DFNE models were constructed, in which the fractures are considered as circular discs with finite size. The DFNE models were used in the scale-effect study for both the rock mass structural parameters and equivalent mechanical parameters via a discrete-element method (DEM)-based synthetic rock mass (SRM) technique. The comprehensive representative elementary volume (REV) scale and the macromechanical parameters for the rock mass were proposed.
资助项目	National Key Research and Development Program of China[2016YFC0401803] ; National Natural Science Foundation of China[51779253] ; National Natural Science Foundation of China[41672319] ; Major project of the National Basic Research Program of China[51991393] ; Key Laboratory for Geo-Mechanics and Deep Underground Engineering, China University of Mining and Technology[SKLGDUEK1912] ; CRSRI Open Research Program[SN: CKWV2016388/KY] ; Youth Innovation Promotion Association CAS
WOS研究方向	Engineering
语种	英语
出版者	ASCE-AMER SOC CIVIL ENGINEERS
WOS记录号	WOS:000514922800020
内容类型	期刊论文
源URL	[http://119.78.100.198/handle/2S6PX9GI/23517]
专题	中科院武汉岩土力学所
通讯作者	Sheng, Qian
作者单位	1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 10049, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China
推荐引用方式 GB/T 7714	Cui, Zhen,Zhang, Yong-hui,Sheng, Qian,et al. Investigating the Scale Effect of Rock Mass in the Yangfanggou Hydropower Plant with the Discrete Fracture Network Engineering Approach[J]. INTERNATIONAL JOURNAL OF GEOMECHANICS,2020,20(4):11.
APA	Cui, Zhen,Zhang, Yong-hui,Sheng, Qian,&Cui, Lan.(2020).Investigating the Scale Effect of Rock Mass in the Yangfanggou Hydropower Plant with the Discrete Fracture Network Engineering Approach.INTERNATIONAL JOURNAL OF GEOMECHANICS,20(4),11.
MLA	Cui, Zhen,et al."Investigating the Scale Effect of Rock Mass in the Yangfanggou Hydropower Plant with the Discrete Fracture Network Engineering Approach".INTERNATIONAL JOURNAL OF GEOMECHANICS 20.4(2020):11.