THE DRAIN SIDEWALK BLOCK

摘要

The present invention relates to a permeable sidewalk block wherein a permeability maintenance groove is formed on a top surface of a permeable plastering layer to provide prolonged permeable performance even when foreign materials such as dust, etc. are deposited on a top surface of the constructed sidewalk block as time passed. According to the present invention, the permeable sidewalk block comprises: a foundation layer formed at a predetermined thickness; a permeable plastering layer formed on an upper part of the foundation layer at a predetermined thickness; and a permeability maintenance groove recessed downwards from an upper part of the permeable plastering layer to a predetermined depth to form a permeability maintenance surface on the permeable plastering layer.