A method of construction works for preventing the bedand shore of a torrent from being eroded by using steel cablesand steel nets without requiring a huge number of works or hugecosts, comprising the steps of fixing at least two longitudinalcables (1) directly or indirectly to lodgments (2), connectingthe longitudinal cables by at least two lateral cables (5) atproper intervals, and disposing at least two nets (3), thenumber of which corresponds to the number of lateral cables,so that the nets are arranged at proper intervals in thedirection from upstream to downstream of the torrent andmooring the nets by the longitudinal cables and the lateralcables or mooring cables that are connected to the longitudinalcables so that the nets face the water flow of the torrent.
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