Title:
SOUNDPROOF DEVICE OF BRIDGE
Document Type and Number:
Japanese Patent JP2007032070
Kind Code:
A
Abstract:
To provide a soundproof device of a bridge capable of surely reducing a low frequency sound generated from the bridge with less gravity loading to the bridge at low cost.
The soundproof device 10 reducing the low frequency sound generated from the bridge 3 is placed in the lower part of the bridge 3, and it is constituted of a platy member 11 suspended by a plurality of coil springs 12 fixing one end side to the bridge 3 and a space surrounding wall 13 provided to the bridge 3 and composed of a first wall member 13a and a second wall member 13b and surrounding a space formed between the bridge 3 and the plate-like member 11.
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Inventors:
OKADA TORU
KINOSHITA SHINICHI
HONKE KOICHI
YOSHIMURA TOSHIO
FUJINAMI GEN
KINOSHITA SHINICHI
HONKE KOICHI
YOSHIMURA TOSHIO
FUJINAMI GEN
Application Number:
JP2005216268A
Publication Date:
February 08, 2007
Filing Date:
July 26, 2005
Export Citation:
Assignee:
KOBE STEEL LTD
International Classes:
E01D19/00; E01F8/00; G10K11/16
Attorney, Agent or Firm:
Yoshiyuki Kaji
Makoto Suhara
Makoto Suhara