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Matches 401 - 450 out of 1,833

Document Document Title
JP4259952B2  
JP2009085005A
To prevent water from flowing in the inside and outside of a partition by improving a deposited layer under a caisson by impermeable treatment and also performing the impermeable treatment for the base of the caisson at a partition bulkh...  
JP4255462B2  
JP2009074269A
To provide an underwater structure reinforcing method which is implemented by constructing a cofferdam wall around an underwater structure, extending short struts between the cofferdam wall and the underwater structure, and finishing add...  
JP2009068196A
To suppress an increase in a construction period and costs, which are required for a cofferdam construction method.A bearing pile 24 is installed on the outside of a place for installing the cofferdam wall 10, and a hanging girder 26 is ...  
JP2009052202A
To easily maintain the quality of a bearing pile to be installed in the same position, while reducing labor for drilling a deep well hole.A pile hole 5 is drilled; the deep-well hole 1 with a diameter smaller than that of the pile hole 5...  
JP2009046838A
To provide a condensate structure capable of getting favorable condensate for a long period.This structure of a condensate structure comprises perforated tubes and a water permeable wall. The water permeable wall is formed by filling an ...  
JP4234120B2  
JP2009019449A
To ensure high water cut-off performance without being influenced caused by the inclination, unevenness and the like of the top face of a footing and an external force caused by a water flow and a water level difference.A temporary coffe...  
JP4205706B2  
JP4206165B2  
JP4196291B2  
JP2008297748A
To provide a cofferdam construction method which enables a large working space with no timbering to be easily secured on the inside of a cofferdam structure, and which enables construction to be inexpensively performed in a short period ...  
JP2008297749A
To provide a cofferdam construction method at a great application water depth, and to reduce a work burden on a worker, and to shorten a construction period, by reducing diving operation steps, in the cofferdam construction method.A cut-...  
JP2008223434A
To provide a method for easily constructing an underground structure in which a pipe or the like is buried, used in constructing a well in a short time while preventing boiling.A well drilling guide 1 is erected in a soil cement column w...  
JP2008223437A
To provide an underground wall structure enabling extension of a well and a construction method for it.A soil cement column wall 2 is constructed by filling a column drilled hole formed by a single-shaft or multi-shaft earth auger with s...  
JP2008208680A
To provide a method of constructing an underwater steel pipe capable of reasonably forming a dry space under water in sheet impermeable dam lakes and water storage ponds without lowering the level of water therein or without closing them...  
JP4140733B2  
JP4132320B2  
JP2008175059A
To provide a temporary cofferdam work caisson and its installation method by which water pressure control and a sufficient water stopping property can be assured.In the upper open type temporary cofferdam work caisson 1 formed into a rin...  
JP2008163641A
To provide a construction method for a closing wall, which enables the closing wall to be easily constructed by eliminating restrictions on the work environment directly below a waterborne structure.In this construction method, the water...  
JP2008157016A
To provide a collecting pipe capable of improving a whole drain efficiency, without having adverse influence on workability and cost, by improving the drain efficiency without impairing water collection efficiency of a conventional colle...  
JP4109687B2  
JP4106817B2  
JP4098653B2  
JP4098664B2  
JP4096070B2  
JP4091472B2  
JP2008095330A
To provide a work caisson for temporary cofferdam capable of dispensing with underwater work for long hours in great depth under the water such as placing underwater concrete.This work caisson 1 for temporary cofferdam is constituted in ...  
JP2008057201A
To provide a drain device for ground sufficiently adaptable even to multiple layers of aquifers and capable of enhancing draining efficiency in spite of an air jet well method by enclosing an inner pipe for pumping and an air pipe for ai...  
JP2008025249A
To provide a method of cutting off water around a drift by composite grout, which is for use in geological disposal of high-level radioactive waste etc., and achieves water cutoff with high reliability by using a low-pH cement that is lo...  
JP2008025128A
To obtain a riser pipe which can efficiently prevent the diffusion of polluted soil by discharging groundwater in a polluted soil area from the polluted soil area, when the polluted soil exists in the area with a formed groundwater disch...  
JP2008025132A
To provide a groundwater-level decreasing method which enables a riser pipe to be efficiently driven into ground below a depth of about 20 m, and which enables a groundwater level to be decreased below the deep ground, for example, with ...  
JP2008019709A
To install a underground continuous wall in the ground where an obstacle is contained with the obstacle remained in the ground.The underground continuous wall cutter 10 is provided with a frame 13 having a linear excavation connection pa...  
JP2008019678A
To provide an effective and appropriate construction method sufficiently improving structural stability and reliability by sufficiently rationalizing the construction of a membrane type tank facility in a low temperature base rock.Freezi...  
JP2007327244A
To provide a method and a structure for temporarily coffering an underwater structure in which a wide space is secured. The structure comprises multiple stages of cylindrical frame bodies 10, 11 having an inner diameter larger than the o...  
JP4011212B2  
JP4009028B2  
JP2007285090A
To provide a method for lowering the underground water level of an aquifer in the excavated ground after forming an artificial low permeable layer below the excavation bottom when no clear impervious layer exists below the excavation bot...  
JP3981952B2  
JP3983736B2  
JP2007239286A
To minimize electric power consumption by setting the flow of a pump at any value since water level is not excessively lowered as in the case of a conventional float water level control, the peripheral underground water level amount and ...  
JP2007239244A
To provide a temporary structure which is easily constructed without using a large facility such as a crane, secures a dry area only at a location necessary for reinforcing work, can standardize members necessary for construction work, a...  
JP3979466B2  
JP3974851B2  
JP3967473B2
To provide a construction method of an underground structure capable of controlling the gush of ground water while maintaining the inside of an excavation working chamber in the same atmospheric pressure as that on the ground and control...  
JP2007205077A
To reduce cost without manufacturing a special temporary coffering member. A temporary cofferdam 1 provided to surround a bridge pier is provided with a coffering wall 20 formed by annularly connecting a plurality of steel sheet piles 21...  
JP2007146568A
To provide a groundwater draining method which exerts high efficiency in collecting and draining groundwater in a landslide slope, and to provide a catchment well.The groundwater draining method is provided for draining groundwater under...  
JP3928226B2
To ensure the water cutoff properties of temporary cofferdam works. The temporary cofferdam works have a plurality of precast panels 20 being parted along the vertical direction and peripheral direction of a pier and having the same cons...  
JP3930345B2
To easily operate small-scale temporary coffering in a narrow space below a girder during aseismatic reinforcement work and the like for a bridge girder lower part when a column type structural body is immersed in the water. In this simp...  

Matches 401 - 450 out of 1,833