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21 Cards in this Set
- Front
- Back
thin, curved plate structure, shape to transmit applied forces compressive, tensile and shear stresses acting in the plane of the surface
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shell
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Shell structure constructed of reinforce concrete
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thin shell
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surface generated by sliding a plane curve along a straight line or over another plane curve
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Translational surface
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the compressive, tensile, and shear stresses acting in the plane of the surface of a shell structure. Shell can be sustained relatively large forces if uniformly applied . Because of its thinness however , she'll have a little bending resistance and is unsuitable for concentrated load
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Membrane stresses
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a rigid cylindrical shell structure
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barrel shell
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Surface generated by sliding straight line along a plane curve, or vice versa. Depending on the curve, a cylindrical surface maybe circular, elliptic, or parabola, because of its straight line geometry, a cylindrical service can be regarded as being either a translational or the ruled surface
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Cylindrical surface
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The surface generated by sliding a vertical parabola with downward curvature along a perpendicular parabola with downward curvature. Its horizontal section are a little while its vertical section are parabolas
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elliptical paraboloid
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The surface generated by sliding the parabola we downward curvature along a parabola with a upward curvature or by sliding a straight line segment with its end on two skew lines. It can be considered to be a both a translation of the ruled surface also called hypar
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Hyperbolic paraboloid
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surface all of whose intersection by plane are either parabolas and ellipses or parabolas in hyperbolas
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paraboloid
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Surface having an upward curvature in one direction and a downward curvature in the perpendicular direction in a saddle surface shell structure, regions of downward curvature exhibit archlike action, while regions of upward curvature behaves as a cable structure. if the edges of the surface are not supported, beams behavior may also be present so
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saddle surface
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Having opposite curvature at a given point
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anticlastic
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Surface generated by the motion of the straight line. Because of its straight line geometry, ruled surface in generally easier to form and construct an rotational and translational surface
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ruled surface
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ruled surface generated by sliding straight line who is one and on a straight line segment and the under on the flavor. Depending on the curve, conoid may be circular, elliptic, parabolic
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conoid
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Surface having finite center with certain plane section that are hyperbolas and other circles or ellipses
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Hyperboloid
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Ruled surface generated by sliding an inclined line segments on two horizontal circles. its vertical sections are hyperbolas
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one sheet hyperboloid
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Surface generated by rotating a plane curve about an axis
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rotational surface
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having similar curvature at given point
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synclastic
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Rotational surface generated by the revolution of a circular arc about a vertical axis
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spherical surface
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Rotational surface generated by the revolution of a half ellipse about the vertical axis
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Elliptical surface
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Rotational surface generated by the revolution of a parabola about the vertical axis
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Parabolic surface
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Doughnut shaped surface generated by the revolution of a circle about an exterior line lying in its plane
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torus
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