JPS52134208A
(en )
1977-11-10
Method of improving water bottom subsoil
JPS54124508A
(en )
1979-09-27
Method of construction of underground wall
JPS54136713A
(en )
1979-10-24
Method of muddy water horizontal auger construction
JPS557317A
(en )
1980-01-19
Method of burrying underground water drawing pipe
JPS54131305A
(en )
1979-10-12
Control method of underground water level
JPS54146409A
(en )
1979-11-15
Method of drainage construction of grout* etc*
JPS5751395A
(en )
1982-03-26
Introduction of massive water into tunnel
JPS5320632A
(en )
1978-02-25
Method of building underground tank
JPS54120921A
(en )
1979-09-19
Method of antifreezing construction in waterrconveyance ditch of tunnel* etc*
JPS57158498A
(en )
1982-09-30
Method of waterproof construction of tunnel
JPS5549433A
(en )
1980-04-09
Method of eliminating shortage of water
JPS57116873A
(en )
1982-07-21
Erection of underground tank
JPS54142808A
(en )
1979-11-07
Method of drainage construction in slope face
JPS5523264A
(en )
1980-02-19
Method of preventing water leakage in structure such as tunnel
JPS5581997A
(en )
1980-06-20
Method of building culvert in stable fluid under ground
JPS57100237A
(en )
1982-06-22
Permeation of rain water into underground
JPS55101629A
(en )
1980-08-02
Method of collecting underground water of river
JPS54105828A
(en )
1979-08-20
Method of tunnel excavation construction
JPS5295811A
(en )
1977-08-11
Method of building underground wall in poor subsoil
JPS5541101A
(en )
1980-03-22
Method of laying cable in vertical gallery
JPS53137515A
(en )
1978-12-01
Method of preventing underground water in well sinking from freezing
JPS56119096A
(en )
1981-09-18
Method of excavating tunnel
JPS54133713A
(en )
1979-10-17
Method of removing slime of ditch bottom in method of construction of continuous underground wall
JPS56115451A
(en )
1981-09-10
Method of improved waterproof construction of concrete roof
JPS54102007A
(en )
1979-08-11
Method of building underground structure