Document Type and Number:
Japanese Patent JP4621017
Kind Code:
B2
Abstract:
To provide a centrifugally molded concrete product producible without requiring special production equipment and also without generating sludge.
The centrifugally molded concrete product is obtained by centrifugally molding a blend comprising: (A) cement having a Blaine specific surface area of 2,500 to 5,000 cm2/g in an amount of 100 pts.mass; (B) particulates having a BET specific surface area of 5 to 25 m2/g in an amount of 10 to 40 pts.mass; (C) inorganic particles having a Blaine specific surface area of 2,500 to 30,000 cm2/g which is also larger than that of the cement in an amount of 15 to 55 pts.mass; (D) a fine aggregate; (E) a water reducer; and (F) water, wherein in a method described in a flow test according to JIS R 5201 (a physical test method for cement) 11, the value measured without performing drop operations for 15 times is 105 to 150 mm.
COPYRIGHT: (C)2006,JPO&NCIPI
Inventors:
Akihiko Kodama
Application Number:
JP2004364972A
Publication Date:
January 26, 2011
Filing Date:
December 16, 2004
Assignee:
Taiheiyo Cement Co., Ltd.
International Classes:
C04B28/02; C04B14/06; C04B14/38; C04B14/48; C04B16/06; C04B18/14; C04B20/00; C04B111/56
Domestic Patent References:
| JP2001233652A | | | | |
| JP2001226958A | | | | |
| JP2002348166A | | | | |
| JP2002338323A | | | | |
| JP627654A | | | | |
Attorney, Agent or Firm:
Michiharu Soga
Hidetoshi Furukawa
Suzuki Kenchi
Kajinami order
Kazuhiro Oyaku
