Ground slot

The utility model discloses a ground slot is connected gradually by a plurality of grooves body and forms, the groove body is the U -shaped by corrosion resistant plate through compression molding, this its axial cross sectional shape of groove body perpendicular to, and the axial one end of groove body footpath is outwards expanded and is formed the outer portion of expanding, and the other end is level and smooth end, and the inside dimension of the portion of expanding outward is not less than the outside dimension of level and smooth end, and the outer portion of expanding of groove body cup joints and serves in the smoothness of adjacent groove body, is provided with the sealing member that prevent seam leak between portion of expanding and the level and smooth end outward, portion of expanding outward and the level and smooth riveting hole that is provided with the one -to -one respectively of serving, adjacent groove body is through setting up at the downthehole mutual fixed connection of rivet of rive