| 摘要 |
<p>PURPOSE:To reduce reflection waves in a harbor and at the same time purify water quality by fitting beam receiving members to steel sheet pile or steel pipe pile embankment front projecting portions, providing at these beam receiving members a beam from which netlike bodies are suspended. CONSTITUTION:Beam receiving members 2 and wire fixing plates 3 are fitted to sheet pile embankment front, that is, sea side upper part concrete 10 lower part located steel sheet pile 1 section with all projecting portions, by means of welding or the like, and a beam 5 of I type steel or the like is provided attachably/detachably at beam receiving member 2. Next, plural netlike bodies 7 of a predetermined width such as fishing nets are suspended from the beam 5, and a lower part beam 6 or a plate for a weight is fitted to their lower end. Waves in a harbor are dissipated by means of netlike bodies 7 and refection waves are reduced, and at the same time algae stuck to netlike bodies 7 absorb nitrogen, phosphorus or the like and purify water quality in the harbor, and also arrangement is made so that the cleaning and exchange of netlike bodies 7 may be readily comed out.</p> |
