Title:
METHOD OF EXCAVATING HIGH WATER LEVEL GROUND WITH IMPERMEABLE BED
Document Type and Number:
Japanese Patent JPH07247551
Kind Code:
A
Abstract:
PURPOSE: To excavate a high water level ground in the state that the underground water level of the ground with an impermeable stratum is securely lowered.
CONSTITUTION: The interposed water in a water bearing stratum with pressure in a subbase, divided by an intermediate impermeable stratum 21 interposed is drained by the well point method. At the same time, the underground water of the upper water bearing stratum than the intermediate impermeable stratum 21 is conducted to the draining stratum by a permeable pile 30 formed through the intermediate impermeable stratum 21 and the underground water level of the upper water bearing stratum is lowered as well. In this state, a specified excavation is carried out.
Inventors:
NEGORO HIROSHI
NISHIKAWA MOTOYA
KOSHIMIZU KAZUO
TANAKA YOSHIO
IWAI JUNJI
DANJO YASUMASA
NISHIKAWA MOTOYA
KOSHIMIZU KAZUO
TANAKA YOSHIO
IWAI JUNJI
DANJO YASUMASA
Application Number:
JP6801494A
Publication Date:
September 26, 1995
Filing Date:
March 12, 1994
Export Citation:
Assignee:
SHIMIZU CONSTRUCTION CO LTD
ASANO KISO KOGYO KK
ASANO KISO KOGYO KK
International Classes:
E02D19/10; (IPC1-7): E02D19/10
Attorney, Agent or Firm:
Tetsuro Sunaba
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