A structure and a mounting method for mounting the sound absorbing member on the upper part of the sound barrier

摘要

The outer mounting rail on the opposite side of the sound source side and the inner mounting rail on the sound source side are fixed to the metal fixing portion fixed to the mounting base portion protruding from the upper portion of the sound insulating wall. The outer fixed rail fixed to the sound-absorbing main body is fixed to the outer mounting rail by the joint bar, and the inner fixed rail fixed to the sound-absorbing main body is fixed to the inner mounting rail.