Title:
DISCHARGE SOIL DISPOSAL DEVICE IN SMALL-DIAMETER PIPE JACK METHOD
Document Type and Number:
Japanese Patent JPH1037674
Kind Code:
A
Abstract:
To provide an epoch-making discharge soil disposal device performing water treatment in a small-diameter pipe jack method.
The small-diameter pipe jack method buries a small-diameter pipe 14 by thrust force of a jack 13 set in an excavation vertical shaft 12. In this case, excavated discharge soil discharged form the jack 13 is collected to the ground E with a pump 15, after muddy water is deposited and separated in a circulation tank 16, separation water falls on the soil discharge part of the jack 13, and excavated soil from the excavator 13 is made slurry.
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Inventors:
MURAI YONEO
Application Number:
JP19256096A
Publication Date:
February 10, 1998
Filing Date:
July 22, 1996
Export Citation:
Assignee:
O K M KK
International Classes:
E02F7/00; E21D9/06; E21D9/12; (IPC1-7): E21D9/06; E02F7/00; E21D9/12
Attorney, Agent or Firm:
Taiji Oshima (2 outside)