| 摘要 |
A detachable soundproof panel structure is provided to control the size or location, shape and number of a projection simply at need by forming a projection in the prefabricated type in case of forming a soundproof panel provided with a projection. A detachable soundproof panel structure is installed between posts(200) to form a soundproof wall, and formed by filling up a sound absorbing material between a front panel(110) and a rear panel, wherein many sound absorbing holes(140) are formed on the front panel, and a projection member(130) having an inside space is provided to be coupled to the front panel to be detachable and attachable.
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