| 摘要 |
PURPOSE: Provided is a trapezoid iron frame net for use in a natural rock-ribbed fishing reef, to improve the stability of the fishing reef against tidal waves or storms, and to make the fishing reef more stably set on a sloped part of the coast. CONSTITUTION: The body(1) of the trapezoid iron frame net for use in a natural rock-ribbed fishing reef is manufactured by fastening upper and lower support bars(2a), a vertical support bar(3) and an inclined vertical support bar together through H beam. Between the support bars are passing holes at regular intervals of 30-40cm so that a rope can be reeved therethrough. The center of the body(1) is an empty room, and storage rooms(6) are formed on both sides of the body(1). Then natural rocks having a diameter of 40-50cm are placed inside the storage rooms(6).
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