The present invention can be quickly and easily installed on the banks of the banks of the banks of the river banks, which can fundamentally prevent the problem of the banks being lost due to water flow, and provide a space suitable for habitation and spawning of aquatic plants and organisms along with the reduction of the flow rate. In this regard, the present invention relates to an ecological block structure for protecting a river ecosystem that can effectively protect riversides and river ecosystems.;In particular, the buried inclined surface of the river and the bottom of the river is installed buried in the longitudinal direction of both points, the concrete foundation block is formed in the upper groove;;It is inserted into the settle groove formed in the upper portion of the concrete foundation block, the front and rear surface is formed with a lower fastening hole for the insertion connection of the fastening pin, the upper surface is formed with a wavy bottom wave There is, on one side is formed an insertion fixing hole that can achieve the insertion fixing of the artificial reef, the lower ecological block is formed on the front, rear upper surface is formed with a lower insertion hole to achieve the insertion fixing of the spacing retaining rod;;An upper fastening hole is formed in the front and rear surfaces to form an insertion connection of the fastening pin in the same way as the lower ecological block, and the lower surface has a wave corresponding to the wavy lower wave formed on the upper surface of the lower ecological block. The upper pattern of the pattern is formed, and the upper insertion hole is formed in the front and rear of the lower surface to enable the connection fixing with the spacing retaining rod. An upper ecological block formed;;A bolt hole is formed to insert and connect the bolt of the upper ecological block facing the slope of the river rake inclined surface space is formed between the upper and lower ecological blocks forming a certain interval by fixing the connection with the upper ecological block. A soil barrier for preventing the inflow of soil into the soil;;The multi-stage bending is formed, the lower portion is formed with a connection hole for inserting and connecting the bolt formed in the upper portion of the upper ecological block, the upper portion is inserted and connected to the connection hole of the drain panel is fixed to the side surface of the rake slope It characterized in that it comprises a corrugated panel which is integrally formed with a bolt projection can be integrally configured.
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