Title:
ULTRASTIFF CONSISTANCE CONCRETE COMPOSITION AND ULTRASTIFF CONSISTANCE CONCRETE
Document Type and Number:
Japanese Patent JP2001039745
Kind Code:
A
Abstract:
To produce ultrastiff consistence concrete in which a finely pulverized material produced in a pulverizing process of waste concrete is effectively used to recycle the concrete waste, and which shows good workability and consolidation property.
The composition contains 20 to 50 kg/m3 concrete regenerated fine powder having <0.15 mm particle diameter as the unit amount and 80 to 110 kg/m3 unit water amount. Preferably, the composition has 10 to 100 sec VC value by a shake-table consistency test and ≥90% consolidation rate by Marshal tamping test.
Inventors:
YAMAMOTO KENJI
MORIOKA MINORU
WATANABE YOSHIHARU
SAKAI ETSURO
DAIMON SEIKI
MORIOKA MINORU
WATANABE YOSHIHARU
SAKAI ETSURO
DAIMON SEIKI
Application Number:
JP34281499A
Publication Date:
February 13, 2001
Filing Date:
December 02, 1999
Export Citation:
Assignee:
DENKI KAGAKU KOGYO KK
International Classes:
C04B18/16; C04B28/02; C04B103/30; (IPC1-7): C04B18/16; C04B28/02