Seepage Analysis of Concrete Face Rockfill Dam for Material Damage of Water Stop Structure

Lei Gan; Xin Zhe Shen; Wen Wu Qing

doi:10.4028/www.scientific.net/KEM.729.93

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HomeKey Engineering MaterialsKey Engineering Materials Vol. 729Seepage Analysis of Concrete Face Rockfill Dam for...

Seepage Analysis of Concrete Face Rockfill Dam for Material Damage of Water Stop Structure

Abstract:

The safety operation of a concrete face rockfill dam (CFRD) built on covering layers depend on the integrity of its water stop system. So analyzing the dam seepage field before and after joint sealing damaged is significant, which includes the study of the influence on the dam seepage behavior when the water stop of peripheral joint and slab joint were damaged. In this paper, taken a specific hydropower station project as an example, the numerical analysis models of a CFRD for simulating the different water stop damage and failure types were established. Then the influence mechanism how the damage of the peripheral joint and slab joint affects the seepage gradient, saturated surface and seepage discharge inside the dam was analyzed, and the influence values were obtained. Therefore, the water stop area that needs to focus on is ascertained when the dam anti-seepage system was arranged.

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Periodical:

Key Engineering Materials (Volume 729)

Pages:

93-98

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.729.93

Citation:

Cite this paper

Online since:

February 2017

Authors:

Lei Gan*, Xin Zhe Shen, Wen Wu Qing

Keywords:

CFRD, Covering Layer, Peripheral Joint, Seepage Field, Slab Joint, Water Stop

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* - Corresponding Author

References

[1] J.Z. Pan, L. He, Large Dams in China (A Fifty-Year Review), China Water Power Press, Beijing, 2000, pp.569-614.

Google Scholar

[2] D.W. Sun, N.H. Li, Z.K. Mi, Advance and prospect on key technology of CFRD on thick alluvium deposits, Water Power, 31 (2005) 67-69.

Google Scholar

[3] G.C. Jiang, Z.K. Zhao, Recent Development of Concrete Face Rockfill Dam of China, Guizhou Water Power, 18 (2004) 1-4.

Google Scholar

[4] X.L. Wen, Joint sealing design of Jiudianxia CFRD, Gansu Water Conservancy and Hydropower Technology, 03 (2008) 196-197.

Google Scholar

[5] J.T. Hao, Y.H. Lu, J.S. Jia, T.S. Dou, New advance on the joint watertight techniques of CFRD, Water Power, 12(2005) 77-79.

Google Scholar

[6] Z.L. Wu, Z.C. Chen, Design and Construction of the Joint Water Stops of the Concrete Face Rock-fill Dam of Sinanjiang Hydropower Project, Yunnan water power, S1 (2009) 31-33.

Google Scholar

[7] J.X. Mai, L.X. Sun, Research on Causes of Fractures of Concrete Plates Faced on Xibeikou Rock-fill Dam, Water resources and Hydropower Engineering, 05(1999) 32-34.

Google Scholar

[8] H. Yuan, C.L. Zhang, Rehabilitation Design of GouHou CFRD, Hydropower, (2004)58-62.

Google Scholar

[9] D.Y. Yang, Field Stratification Checking on Gouhou Collapsed Dam, Water Power, 03(2003) 53-57.

Google Scholar

[10] Y.L. Li, Study on seepage calculation model for the concrete face slab with cracks, Journal of Basic Science and Engineering, 05(2009) 668-674.

Google Scholar

[11] Q.G. Yang, Seepage field control system for Shuibuya concrete faced rock-fill dam, Journal of Hydroelectric Engineering, 03(2010) 164-169.

Google Scholar

[12] Z.Z. Shen, C.M. Mao, Calculation of steady seepage field and Automation draw nets, Journal of Hohai university (natural sciences), 22(1994) 75-77.

Google Scholar