Title:
CONSTRUCTION METHOD OF SOUND ABSORBING CONCRETE, AND FIXING PLANAR MEMBER
Document Type and Number:
Japanese Patent JP2019100139
Kind Code:
A
Abstract:
To form a Helmholtz type sound absorbing mechanism at an accurate position and to construct a sound absorbing concrete without requiring a work of drilling through holes.SOLUTION: A construction method of a sound absorbing concrete 1 with a surface in which a Helmholtz resonator 10 comprising a cavity portion 11 and an opening portion 12 is embedded comprises: a preparing step of preparing a fixing planar member 2 including a protrusion 6; an installing step of installing the fixing planar member 2 inside a formwork 3; a fixing step of fixing the Helmholtz resonator 10 to the fixing planar member 2 by inserting the protrusion 6 through the opening portion 12; an installing step of installing concrete 20 in the formwork 3; a demolishing step of demolishing the formwork 3; and a detaching step of detaching the fixing planar member 2.SELECTED DRAWING: Figure 3
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Inventors:
MASUDA KIYOSHI
YAMAMOTO YOSHIKI
YAMAMOTO YOSHIKI
Application Number:
JP2017234826A
Publication Date:
June 24, 2019
Filing Date:
December 07, 2017
Export Citation:
Assignee:
TAISEI CORP
International Classes:
E04B1/86; E04B2/84; E04B2/86; E04B9/00; E04G9/10
Domestic Patent References:
| JPS61150907U | 1986-09-18 | |||
| JP2010261295A | 2010-11-18 | |||
| JP2006028907A | 2006-02-02 | |||
| JPS5698908U | 1981-08-05 | |||
| JPH0390759U | 1991-09-17 | |||
| JPS6051260A | 1985-03-22 | |||
| JPS56135053U | 1981-10-13 |
Attorney, Agent or Firm:
Isono International Patent and Trademark Office