Title:
IMPERVIOUS SHEET CONSTRUCTION METHOD AND DEVICE
Document Type and Number:
Japanese Patent JP2009074295
Kind Code:
A
Abstract:
To extend the length of one spread impervious sheet, to improve the construction property of the work for joining impervious sheets and quality of a joint part, and to prevent the occurrence of trouble in a rolled part of the impervious sheet when spreading the impervious sheet.
In this impervious sheet construction method for spreading the impervious sheet 1 wound like a roll in a ditch 2 formed in the ground G and filled with a flowing fluid, the impervious sheet 1 like the roll is arranged outside the ditch 2, is fed into the ditch 2 while unwinding it, is bent in the ditch 2, and is spread in the horizontal direction along the ditch 2.
Inventors:
YOKOYAMA KATSUHIKO
KAWADA MASAYA
MAKINO MASAKI
ITO HIROKUNI
UEDA SHIGEO
MASUO TAKAYUKI
KAWADA MASAYA
MAKINO MASAKI
ITO HIROKUNI
UEDA SHIGEO
MASUO TAKAYUKI
Application Number:
JP2007244385A
Publication Date:
April 09, 2009
Filing Date:
September 20, 2007
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
KATO CONSTRUCTION CO LTD
TAIYO KOGYO CO LTD
KATO CONSTRUCTION CO LTD
TAIYO KOGYO CO LTD
International Classes:
E02D5/20; B09B1/00
Attorney, Agent or Firm:
Masatake Shiga
Tadashi Takahashi
Takashi Watanabe
Tadashi Takahashi
Takashi Watanabe
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