Title:
CONCRETE BLOCK UTILIZING VOLCANIC ASH
Document Type and Number:
Japanese Patent JP2002242107
Kind Code:
A
Abstract:
To manufacture a block for a pedestrian and vehicular boundary by mixing and molding aggregate such as volcanic ash, gravel or the like and cement.
In the concrete block, a material of volcanic ash of a compounding ratio of 5-45 wt.%, other aggregate of the compounding ratio of 35-75 wt.% and cement of the compounding ratio of 10-20 wt.% is kneaded and molded. Volcanic ash is eruptions from Mt. Usu, other aggregate contains gravel and sand, cement contains Portland cement or slag cement, and these materials are used for the pedestrian and vehicular boundary block.
Inventors:
HATSUTANDA HIROKATSU
ITABASHI YOSHIAKI
MORI MIWAKO
ITABASHI YOSHIAKI
MORI MIWAKO
Application Number:
JP2001038647A
Publication Date:
August 28, 2002
Filing Date:
February 15, 2001
Export Citation:
Assignee:
TOKYO YOGYO KK
International Classes:
E01C5/06; C04B14/14; C04B28/04; C04B28/08; (IPC1-7): E01C5/06; C04B14/14; C04B28/04; C04B28/08
Attorney, Agent or Firm:
Kawawa Takaho