Title:
鉄鋼スラグ路盤材の製造方法
Document Type and Number:
Japanese Patent JP5375358
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide a steel slag roadbed material having stable strength and quality using powdery steel slag whose utilization as a roadbed material has not been sufficient.SOLUTION: Steel slag-containing kneaded matter is smoothened over a flat ground and is roll-pressed, thereafter, the roll-pressed kneaded matter is notched for the purpose of dividing the kneaded matter into blocks with prescribed dimensions, and is cured as it is, the solidified body of the kneaded matter after the curing is divided into individual blocks by the notching, and thereafter, the blocks are crushed, and are classified in accordance with application so as to be the steel slag roadbed material.
Inventors:
Masayuki Shirahama
Kenji Katagiri
Yuji Toda
Masato Masazawa
Kenji Katagiri
Yuji Toda
Masato Masazawa
Application Number:
JP2009146887A
Publication Date:
December 25, 2013
Filing Date:
June 19, 2009
Export Citation:
Assignee:
Nippon Steel & Sumitomo Metal Corporation
International Classes:
C04B18/14; B09B3/00; B09B5/00; C04B5/00; C04B7/14; C04B14/06; C04B18/16; C04B28/08; E01C3/00
Domestic Patent References:
| JP2005154175A | ||||
| JP2006001191A |
Attorney, Agent or Firm:
Atsushi Aoki
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu
Takashi Ishida
Tetsuji Koga
Hiroshi Kamematsu
Nakamura Asayuki
Nagasaka Tomoyasu