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    • 4. 发明专利
    • Method of stationary waste
    • JP5336915B2
    • 2013-11-06
    • JP2009098855
    • 2009-04-15
    • 鹿島建設株式会社
    • 信行 松井一夫 奥津尚 高村
    • G21F9/36
    • PROBLEM TO BE SOLVED: To provide a method of stationing waste stuffs allowing a cylindrical waste stuff to be simply and surely stationed in a disposal gallery of a minimum necessary diameter. SOLUTION: In a lower part of the disposal gallery 1, an invert 7 having an axial protrusive ridge 11 of a tunnel 3 is installed near the middle of an upper surface 9. On an upper surface 13 of the protrusive ridge 11, a groove 15 is provided having such a circular arc-shaped cross-section as substantially coincides in curvature with an outer circumferential surface of the cylinder-shaped waste stuff 21. Next, a conveying vehicle 23, having a gripping mechanism 29 and a traveling mechanism 25, is used to convey the waste stuff 21 and a bentonite block 39 to a prescribed position in the disposal gallery 1 with both sides of them sandwiched between a pair of arms 31 of the gripping mechanism 29. The waste stuff 21 and the bentonite block 39 are mounted in the groove 15 so that the center thereof is positioned near the middle of the disposal gallery 1. Then, a backfilled part 19 above the invert 7 is backfilled with bentonite, or the like, by using a spray vehicle 45. COPYRIGHT: (C)2011,JPO&INPIT
    • 8. 发明专利
    • Mobile soundproof system and mobile soundproof fence
    • JP4517948B2
    • 2010-08-04
    • JP2005169739
    • 2005-06-09
    • 鹿島建設株式会社
    • 信行 松井明彦 江波戸信 石井貴博 蛭間政博 鶴田
    • E04G21/32E04B1/82G10K11/16G10K11/178
    • PROBLEM TO BE SOLVED: To provide a comparatively simple soundproof board fence used for the noise preventive measures for reducing various noises from construction/civil engineering works, etc. , which is flexibly and reliably available for preventing the diversified kinds of noises including those of low frequency bands in a wide range of construction/civil engineering works performed by a single worker to by large-sized work machinery, can be installed and removed within a short time and easily moved according to the progress of the works. SOLUTION: This mobile board fence has a frame structure of a soundproof panel 3 and a mobile light support frame 2, or a bellows type flexible soundproof panel structure. A simple mobile soundproof fence 1 of this structure that can change its sound preventive range (both position and form) according to movable sound generating places is installed at both sides of movable sound generating places, and an active silencer 4 is provided at the top and bottom of the mobile soundproof fence 1 for sending out sounds in the reversed phase of noises from its sound source speaker to attenuate sounds diffracting from the fence 1. Alternatively, the lower part of the fence 1 is made of sound insulators 5. Thus various noises including those of low frequency bands are attenuated by passive and active sound muffling effects by the soundproof panels. COPYRIGHT: (C)2007,JPO&INPIT