| 摘要 |
PURPOSE: A test bench manufactured by applying a multiple coating method is provided to form a multilayer and to improve durability. CONSTITUTION: A test bench comprises: a base part(150) made of non-combustible inorganic mortar; a first reinforcement layer(140) formed on one side of the base part; a glass fiber layer(130) formed on the first reinforcement layer; a second reinforcement layer(120) formed on the glass fiber layer; an upper coating layer formed on the second reinforcement layer; and a lower coating layaer(160) formed on the opposite side having the first reinforcing layer. The lower coating layer comprises a low viscosity reinforcement layer, a high viscosity reinforcement layer(162), and a low viscosity reinforcement layer(163).
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