Title:
METHOD OF REPAIRING POROUS CONCRETE SOUND ABSORBING PANEL
Document Type and Number:
Japanese Patent JP2005290668
Kind Code:
A
Abstract:
To provide a method of repairing a porous concrete sound absorbing panel to restore its strength reduced with aging.
In the method of internally repairing the porous concrete sound absorbing panel whose continuous pores have a total capacity accounting for 30% or more of the total volume of the panel and whose water repellent layer of a preset thickness is formed on the surface layer of the panel, fill recessed portions passing through the water repellent layer are formed in the surface of the panel on a sound source side at preset spaces and a permeable aqueous reinforcing agent is filled to be dispersed into the fill recessed portions so that its effective component weighs 10-100 g per a surface of 3,600 cm2 on the sound source side.
Inventors:
UEMATSU JUN
MATSUO NORIKI
IJICHI MASASHI
MATSUO NORIKI
IJICHI MASASHI
Application Number:
JP2004102693A
Publication Date:
October 20, 2005
Filing Date:
March 31, 2004
Export Citation:
Assignee:
CLION CO LTD
International Classes:
E01F8/00; E04B1/86; E04G23/02; (IPC1-7): E04G23/02; E01F8/00; E04B1/86