Title:
生コンクリートからの骨材分離方法および当該骨材を利用したコンクリート
Document Type and Number:
Japanese Patent JP4099583
Kind Code:
B2
Abstract:
To provide a method whereby ready-mixed concrete is prevented from hardening while being allowed to coagulate, thus enabling an aggregate and a powder mixture to be taken out of an excess of ready-mixed concrete and recycled.
An agent that prevents the hardening of cement in ready-mixed concrete but permits the coagulation of cement is mixed into ready-mixed concrete; the resultant concrete coagulated but prevented from hardening is crushed with a non-pressurizing crushing means ed method; then, the aggregate is separated from other materials to selectively take out the aggregate.
COPYRIGHT: (C)2005,JPO&NCIPI
Inventors:
Shunji Hoshina
Shinsuke Kashio
Shinsuke Kashio
Application Number:
JP2003116335A
Publication Date:
June 11, 2008
Filing Date:
March 17, 2003
Export Citation:
Assignee:
Advic corporation
Director, Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism
Director, Kinki Regional Development Bureau, Ministry of Land, Infrastructure, Transport and Tourism
International Classes:
B28C7/04; C04B18/16; B28C7/16; C04B24/06; C04B28/02; C04B40/06
Domestic Patent References:
| JP2004043277A | ||||
| JP9123156A | ||||
| JP9299910A |