Assembled building block with grooves for ecological slope protection for highway maintenance and mounting mode of assembled building block with grooves for ecological slope protection for highway maintenance

The invention discloses a road maintenance ecological slope protection spliced building block with a groove, the road maintenance ecological slope protection spliced building block with the groove comprises building block bodies, limiting protrusions, limiting grooves and a butt joint assembly, the two ends of the butt joint assembly are inserted into the butt joint grooves in the building block bodies on the two sides; the invention further discloses an installation method of the assembled building block with the grooves for the ecological slope protection for road maintenance. A piling process of the first layer of building block body; a second layer of building block body is piled up; pouring cement mortar into the pouring holes; the cement mortar is vibrated through a vibrating rod; a subsequent building block body piling process; according to the building block, through the limiting effect between the limiting protrusions and the limiting grooves, the connection stability between the building block bodie