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Mathematical and Computational Applications is published by MDPI from Volume 21 Issue 1 (2016). Articles in this Issue were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence. Articles are hosted by MDPI on as a courtesy and upon agreement with the previous journal publisher.
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Math. Comput. Appl. 2010, 15(5), 828-833;

Nonlinear Dynamic Responses of Arch Dam with Shear Keys

Mechanics and Materials Experiment Center, Hohai University, 210098 Nanjing, Jiangsu, P. R. China
Author to whom correspondence should be addressed.
Received: 31 December 2010 / Accepted: 31 December 2010 / Published: 31 December 2010
PDF [216 KB, uploaded 8 April 2016]


The purpose of this paper is to obtain an insight into the effects of shear keys with different slopes on the nonlinear seismic responses of an arch dam. The nonlinear exponential dynamic contact constitutive model is proposed for simulating the normal interactions of the two surfaces separated by contraction joints, along with the standard Coulomb friction model to simulate the tangential interactions. After the shear key’s real configuration is established, the seismic responses of the arch dam are discussed in detail to understand the effects of shear keys on the behavior of the contraction joints and the stress and deformation of the dam. The results indicate that the dam without the shear keys shows comparatively narrow joint opening, and that the maximum joint opening decreases when the slope of shear keys increases. In addition, the slope of shear keys exerts an obvious effect on the sliding displacement along the radial direction and the stress of the dam.
Keywords: Dynamic Responses; Arch Dam; Contraction Joints; Shear Keys Dynamic Responses; Arch Dam; Contraction Joints; Shear Keys
This is an open access article distributed under the Creative Commons Attribution License (CC BY 3.0).

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Du, C.; Jiang, S. Nonlinear Dynamic Responses of Arch Dam with Shear Keys. Math. Comput. Appl. 2010, 15, 828-833.

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