Concrete-made panel and method of fabricating the same
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United States of America Patent
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Dec 14, 1999
Issued Date -
N/A
app pub date -
Mar 18, 1998
filing date -
Jul 12, 1996
priority date (Note) -
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status (Latency Note)
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Abstract
A pair of first and second concrete layers (1, 2) spaced away from each other by a certain distance are connected to each other through a corrugated plate (3) having a uniform magnitude of amplitude so that there are formed a space between the concrete layers (1, 2). A weight of a concrete-made panel is decreased by this hollow structure. A corrugated plate (3) is designed to have a trapezoidal cross-section of rectangular corrugation. By sinking mountain and valley portions of the corrugated plate into the first and second concrete layers (1, 2), the concrete-made panel can have enhanced compressive strength in a direction of corrugation of the corrugated plate (3), and have enhanced rigidity because of diagonal members of a truss which keeps the concrete-made panel being kept to be a plane.
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