RIVERS BOTTOM PROTECTIVE BLOCK AND RIVER BED PROTECTIVE MEANS

摘要

PURPOSE: A block and a unit for protecting a river bed are provided to purify river water and to inhabit fishes by stably securing a habitat for water plants depending on the geographical feature of a river bed. CONSTITUTION: A block and a unit for protecting a river bed are composed as follows. A bottom structure is formed by arranging and assembling unit blocks(10) on a river bed. A wall structure is formed by laminating the unit blocks on the top surface of the bottom structure. Each unit block has a fastener(14). The fastener is formed by boring a center hole(12) and holes(13) in the center and both ends of a main body(11).