| 摘要 |
[Problem] The structure of the present invention is to provide an internally-illuminated three-dimensional hollow structure, which specifically has a high level of night-time visibility and can also bear weather conditions, such as rain water and wind, wherein a natural concavity and convexity configuration can be formed even if the structure is a complicated shape, and a framework configuration cannot be seen through even during internal illumination since the framework is a large-sized frame, even if coloration of the structure has high brightness or high saturation. [Solution) The internally-illuminated three-dimensional hollow structure, is provided, wherein a three-dimensional framework is formed from main reinforcements and reinforcing bars, then an undercoating is applied throughout this framework, a synthetic resin tape is provided on a concave part of this framework, and if necessary, a two-sided adhesive tape is stick to a convex part of the framework, thereby forming a framework body, and wherein after the synthetic resin sheet is expanded throughout and temporarily attached to surface of this framework body, the synthetic resin sheet is welded on the framework body and synthetic resin sheet ends are welded each other so that an integrated synthetic resin sheet is formed, and an illuminating device is set up inside of this framework.
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