Volume 15, Issue 1 (2015)
MCEJ 2015, 15(1): 23-35 |
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rashidinia S, Ahmadi M. Optimum patterns for arch dam shape design in highly seismic zones. MCEJ 2015; 15 (1) :23-35
URL: http://mcej.modares.ac.ir/article-16-10857-en.html
URL: http://mcej.modares.ac.ir/article-16-10857-en.html
1- student/Tarbiat Modares university
2- Prof., Hydraulic Structures. Dept., Faculty of Civil and Environmantal Eng., TarbiatModares University
2- Prof., Hydraulic Structures. Dept., Faculty of Civil and Environmantal Eng., TarbiatModares University
Abstract: (7781 Views)
One of the most important issues in arch dam design, is optimum shape design of the dam body in such a way that both safety and economical constraints could be satisfied. The aim of this research is the introduction of some patterns for optimum arch dam shape in seismic zones and the identification of the optimum shape trends in proportion to physical and geometrical parameters of each specific site. Method of research includes parametric and statistical calculations on several arch dam sites samples. Thus optimization procedures are performed on dams with different heights, canyon widths, canyon shape types (V-shape or U-shape), and foundation moduli of deformation. Studying the resulting optimized arch dams shapes, certain trends of design variables is deduced in order to achieve optimum shape of the dam body when site specification changes. These trends are showed in graph forms. Resulting rules can be used as arch dam design guidline. One of the most important results of this study is the increasing trend in the thickness design variables in the central cantilever and abutments with the increase of the foundation modulus of elasticity. These rules can be used as guidelines for dam shape design. One of the most important issues in arch dam design, is optimum shape design of the dam body in such a way that both safety and economical constraints could be satisfied. The aim of this research is the introduction of some patterns for optimum arch dam shape in seismic zones and the identification of the optimum shape trends in proportion to physical and geometrical parameters of each specific site. Method of research includes parametric and statistical calculations on several arch dam sites samples. Thus optimization procedures are performed on dams with different heights, canyon widths, canyon shape types (V-shape or U-shape), and foundation moduli of deformation. Studying the resulting optimized arch dams shapes, certain trends of design variables is deduced in order to achieve optimum shape of the dam body when site specification changes. These trends are showed in graph forms. Resulting rules can be used as arch dam design guidline. One of the most important results of this study is the increasing trend in the thickness design variables in the central cantilever and abutments with the increase of the foundation modulus of elasticity. These rules can be used as guidelines for dam shape design. One of the most important issues in arch dam design, is optimum shape design of the dam body in such a way that both safety and economical constraints could be satisfied. The aim of this research is the introduction of some patterns for optimum arch dam shape in seismic zones and the identification of the optimum shape trends in proportion to physical and geometrical parameters of each specific site.
Article Type: Original Manuscript |
Subject:
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Received: 2014/04/26 | Accepted: 2015/04/21 | Published: 2015/05/17
Received: 2014/04/26 | Accepted: 2015/04/21 | Published: 2015/05/17
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