A soundproof wall

The present invention relates to a noise barrier should be constructed so that a more graceful effective soundproofing and aesthetics installed on the roadside or structure of the noise affected areas in accordance with the road traffic, as well as to make easier installation and maintenance and replacement of the sound insulation board. According to a feature of the invention, is provided erected while leaving a large number of poles a certain distance to a place to be sound-proofed, in the conventional sound barrier between the beams and columns is made in combination supported by a plurality of sound insulation board is laminated structure, wherein pole is formed as a contact portion with a cross-section H-shaped engaging portion provided that the fixing bolts are fastened that sound insulation board is in close contact, both ends of the sound insulation board is fitted to the cover portion for covering the attachment portion front surface of the pillar in part and attachment portion of the pillar that the fitting groove and the pillar engaging stepped across the tight contact portions inside are formed one after another in any of a, laminated by means of the elastic fixture for fixing the support for engaging stepped of the sound insulation board to the coupling part of the column walking elastically to the sound insulation board columnar installation the sound barrier, characterized in that configured to be provided.