IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2016  > Vol13 No.2
Engineering geological classification of the structural planes for hydroelectric projects in Emeishan Basalts
SUN Shu-qin; HUANG Run-qiu; PEI Xiang-jun; ZHAO Song-jiang
Corresponding AuthorHUANG Run-qiu
2016-02
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume13Issue:2Pages:330-341
Subtype期刊论文
AbstractThe scale and characteristics of rock mass are important indexes of the rock mass structural plane classification. This paper firstly analyzes the spatial distribution characteristics, the structural plane types (original structural plane, tectonic structural plane and hypergenic structural plane) and the associated features of the Emeishan basalts and then studies the classification schemes of the built hydropower structure planes of different rock areas (the east district, the central district and the west district) in the Emeishan basalt distribution area, Southwest China. Based on the analysis and comparison of the scale and the engineering geological characteristics of the typical structure planes in the basalt hydroelectric Stations, the types of structural planes are used in the first order classification. The secondary order classification is made by considering the impact factors of rock mass quality, e.g., the state of the structural planes, infilling, joint opening, extending length, the grade of weathering and strength. The engineering geological classification for Emeishan basalt is proposed. Because there are no evidences of a large structure presenting in study area, the first-order (I) controlling structural planes do not appear in the classification, there only appear II, III, IVand Vgrade structural planes influencing the rock-mass quality. According to the different rock-block types in bedding fault zone, the second-grade (II) structural planes consisted of bedding fault zone is further classified into II1, II2 and II3. The third-grade (III) structural planes constructed by intraformational faulted zones are not subdivided. According to the different characteristics of intrusion, alteration and weathering unloading structural planes, the IVgrade structure plane is divided into IV1, IV2 and IV3. According to the development characteristics of joints and fractures, the Vgrade structure plane is divided into fracture V1 and columnar joint V2. In all, the structural planes are classified into four groups with nine subsets. The research proposes the engineering geological classification of the structural plane for the hydropower project in the Emishan basalts, and the result of the study has a potential application in similar regions.
KeywordEmeishan Basalt Hydroelectric Project Structural Plane Bedding Fault Zone Engineering Geological Classification
DOI10.1007/s11629-014-3244-5
Indexed BySCI
Language英语
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/14078
CollectionJournal of Mountain Science_Journal of Mountain Science-2016_Vol13 No.2
Recommended Citation
GB/T 7714
SUN Shu-qin,HUANG Run-qiu,PEI Xiang-jun,et al. Engineering geological classification of the structural planes for hydroelectric projects in Emeishan Basalts[J]. Journal of Mountain Science,2016,13(2):330-341.
APA SUN Shu-qin,HUANG Run-qiu,PEI Xiang-jun,&ZHAO Song-jiang.(2016).Engineering geological classification of the structural planes for hydroelectric projects in Emeishan Basalts.Journal of Mountain Science,13(2),330-341.
MLA SUN Shu-qin,et al."Engineering geological classification of the structural planes for hydroelectric projects in Emeishan Basalts".Journal of Mountain Science 13.2(2016):330-341.
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