Title:
SOIL IMPROVEMENT MATERIAL FOR PREVENTING LIQUEFACTION
Document Type and Number:
Japanese Patent JP3390614
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain a soil improvement for preventing liquefaction by using slag obtd. by melting incineration ash of municipal waste and by mixing the slag with hard burnt lime and cement.
SOLUTION: This material is obtd. by melting incineration ash of municipal waste with a vertical furnace, an electric furnace, etc., quenching with water or slowly cooling the melt to give slag (ash slag) pref. having a particle size of 0.1-2.5mm, and mixing the slag with hard burnt lime and cement. The hard burnt lime used is the which is produced by baking limestone ore at 1,200-1,500°C and comprises relatively coarse particles with particle sizes of 2mm or higher, pref. 5mm or higher. This material is pref. deposited in a shape of post into the ground. This method enables the use of incineration ash of municipal waste in a large amt., and the material is useful as a substitute for sand, smashed rocks, etc.
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Inventors:
Masanori Tokuda
Mitsuo Hanada
Takashi Mitsunari
Mitsuo Hanada
Takashi Mitsunari
Application Number:
JP28796496A
Publication Date:
March 24, 2003
Filing Date:
October 30, 1996
Export Citation:
Assignee:
Toda Construction Co., Ltd.
Yoshizawa Lime Industry Co., Ltd.
Ube Industries,Ltd.
Yoshizawa Lime Industry Co., Ltd.
Ube Industries,Ltd.
International Classes:
B09B3/00; C09K17/02; C09K17/06; C09K17/10; E02D3/12; C09K103/00; (IPC1-7): C09K17/02; B09B3/00; C09K17/06; C09K17/10; E02D3/12
Domestic Patent References:
| JP4238908A | ||||
| JP483012A | ||||
| JP8259285A | ||||
| JP56115401A |
Attorney, Agent or Firm:
Isao Sasaki (1 person outside)