تفاوت rip rap با Stone pitching - rozblog
Riprap Riprap—also known as rip rap, rubble, shot rock, rock armour or Rip-rap—is rock or other material used to armor shorelines, streambeds, bridge abutments, pilings and other shoreline structures against scour, water or ice erosion. It is made from a variety of rock types, commonly granite or limestone, and occasionally concrete rubble from building and paving demolition.