| 摘要 |
<p>The present invention relates to a protection structure having a dual function to protect a vehicle using a protection function and to minimize noise delivered from a protection device and a construction method for the same. The protection structure having a dual function comprises a rock crushing protection wall (100) for protecting a road from noise, falling rocks, and soil in a construction site; a noise extracting part (10) installed at one end of a horizontal panel (120) making up the rock crushing protection wall (100) to output noise caused by an excavator, falling rocks, and falling soil using a microphone (11); a noise analyzing part (20) for outputting an offsetting sound or an airbag operation and warning signal using a control part (23); an offsetting sound releasing part (30) for offsetting noise; an air bag operating part (40) at one end of the panel making up the rock crushing protection wall (100); and a warning signal output part (50) at one end of the rock crushing protection wall (100).</p> |
