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Title: Hydro-mechanical coupling analyses of cofferdam stability of Taian pumped storage power station
Authors: Li, SC
Li, SC
Zhu, WS
Chen, WZ
Zhang, LW
Chau, KT 
Keywords: Cofferdam
Fast Lagrangian Analysis of Continua (FLAC)
Hydro-mechanical coupling
Unsaturated flow
Issue Date: 2004
Publisher: Scientific.Net
Source: Key engineering materials, 2004, v. 261-263, p. 1545-1550 How to cite?
Journal: Key engineering materials 
Abstract: Three-dimensional hydro-mechanical coupling analyses have been conducted on the water-tight structure of the cofferdam for both intake and outlet of Taian pumped storage power station, located in Shandong Province of China. In addition, the effects of excavation on the cofferdam and foundation slopes were also studied by using the 3D FLAC. The calculation results show that the central core of high-pressure grouting has a prefect anti-seepage effect and therefore is able to strengthen the stability of the cofferdam and foundation slopes. The excavation process has only some local effects on the cofferdam and does not greatly affect the global stability of the cofferdam. Therefore, no failure takes place around slope toes. The results show that the width of platform left on the excavation side is reasonable.
ISSN: 1013-9826
EISSN: 1662-9795
DOI: 10.4028/
Appears in Collections:Conference Paper

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