RIVER SAND CARRYING AWAY PROTECTING FACILITY

摘要

A system for preventing loss of earth in a valley of a small waterway is provided to construct the system simply regardless of geographical feature, and to prevent loss of earth and sand and erosion by assembling the system easily. A system for preventing loss of earth includes a base block(10) installed in a riverbed of a valley, a couple of auxiliary blocks(20) placed at both ends of the base block and fixed to the base block by a vertical bolt, plural tension bolts(30) spacing and connecting the base blocks and the auxiliary blocks, a gabion retaining wall(40) arranged between the blocks in assembling the base block with the auxiliary block to support earth around the river and to prevent loss of earth, and filler stone(50) charged in the riverbed between the base blocks. The gabion retaining wall has a rectangular mesh(400), rubble(410) charged in the mesh and a planting mat(420) formed in an upper part of the mesh filled with rubble for planting.