Chapter
Jul 11, 2012
Analysis on Blocking Impact of Right Platform of Xin'an River Dam Based on Saturated-Unsaturated Theory
Authors: Zhen-zhong Shen [email protected], Zhi Wang, Li-qun Xu, Bai-song Nie, and Chao-xin ShaoAuthor Affiliations
Publication: Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Abstract
Considering the heavy rain conditions, the saturated - unsaturated flow field of Xin'an river dam's right bank after blocking is analyzed and foundation's uplift pressure of he right shoulder of the dam and variation of rock's water table are studied here to evaluate the practical effect of blocking the platform based on three-dimensional saturated-unsaturated seepage theory and its anti-analysis theory. The calculation and analysis results show that after the platform blocked, it effectively blocked surface infiltration of rainfall in this area and reduced the lateral supply from rainfall infiltration to the around rock and as well as improved the movement state of groundwater at right abutment slope which to a certain extent helped to reduce the dam foundation's uplift pressure. Therefore the conclusion can be drawn that the blocking of the platform has a positive effect on the dam's safety.
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Published In
Earth and Space 2012: Engineering, Science, Construction, and Operations in Challenging Environments
Pages: 809 - 817
Copyright
© 2012 American Society of Civil Engineers.
History
Published online: Jul 11, 2012
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Authors
Affiliations
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, 1 Xikang Road, Nanjing, China 210098; The College of Water Conservancy and Hydropower Engineering, Hohai University, 1 Xikang Road, Nanjing, China 210098. E-mail: [email protected]
Zhi Wang
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, 1 Xikang Road, Nanjing, China 210098
Li-qun Xu
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, 1 Xikang Road, Nanjing, China 210098
Bai-song Nie
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, 1 Xikang Road, Nanjing, China 210098
Chao-xin Shao
National Engineering Research Center of Water Resources Efficient Utilization and Engineering Safety, Hohai University, 1 Xikang Road, Nanjing, China 210098
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