| 摘要 |
<P>PROBLEM TO BE SOLVED: To surely prevent a float from being damaged by a ship for dredging work when a dredge pollution scattering prevention device includes the float to be floated on a water surface and a polluted water scattering prevention film which is in a cylindrical shape with an axial center in the vertical direction, suspended by the float and disposed underwater, and the inside of the polluted water scattering prevention film is a dredging work area. <P>SOLUTION: The dredge pollution scattering prevention device includes: the float 3 which is in a frame shape in the plan view and floated on the surface of water 2; a rigid frame 4 which is in the frame shape in the plan view and surrounds the float 3; a support 5 which makes the float 3 support the frame 4; and the polluted water scattering prevention film 9 which is in the cylindrical shape with the axial center 7 in the vertical direction, positioned below the frame 4, suspended by the frame 4 so as to turn the inside to the dredging work area 8, and disposed in the water 2. <P>COPYRIGHT: (C)2012,JPO&INPIT |
