NDLI: Significance of outward dipping strata in argillaceous limestones in the area of the Three Gorges reservoir, China

Content Provider	Springer Nature Link
Author	Qi, Shengwen Yue, Zhong Qi Liu, Chunling Zhou, Yuande
Copyright Year	2009
Abstract	Re-location of the town of Fengjie due to the impounding of the Three Gorges reservoir involved some significant excavations into the valley slopes. It was noted that the mainly calcareous strata in gullies had a northerly dip while in the excavation the dips were sub-horizontal and even southerly, towards the Yangtze River. The paper discusses the process which leads to this change in dip in the superficial strata. This is particularly significant where orthogonal sub-vertical discontinuities are present such that gravitational effects result in blocks toppling out of the free face.
Starting Page	195
Ending Page	200
Page Count	6
File Format	PDF
ISSN	14359529
Journal	Bulletin of the International Association of Engineering Geology - Bulletin de l'Association Internationale de Géologie de l'Ingénieur
Volume Number	68
Issue Number	2
e-ISSN	14359537
Language	English
Publisher	Springer-Verlag
Publisher Date	2009-04-22
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Slope stability Calcareous strata Toppling Deep excavations Three Gorges Fengjie Geoecology/Natural Processes Nature Conservation Geoengineering, Foundations, Hydraulics Applied Earth Sciences
Content Type	Text
Resource Type	Article
Subject	Geology Geotechnical Engineering and Engineering Geology

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Significance of outward dipping strata in argillaceous limestones in the area of the Three Gorges reservoir, China