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JP3750715B2 |
To suppress nonuniform stress generated on an outer wall and a footing of a footing caisson to a possible minimum extent. As a transverse bulkhead 11 and a reinforcing rib 12 to be provided in the footing caisson 13, a corrugated steel p...
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JP2006027750A |
To provide a mechanism of a jacket lifting tool device capable of lifting a jacket even if a sufficient working space is not secured in the air, and realizing high workability, decrease in danger, reduction in working time and work relia...
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JP2005264514A |
To reduce temporary structures on the sea to shorten a construction period on the sea regarding a foundation slab of a sea berth structure.This foundation slab structure of the sea berth structure is provided with a half precast concrete...
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JP3696389B2 |
To provide a scouring preventing material for underwater structure and a scouring preventing method using this preventing material. This scouring preventing material is formed of a bag body formed of a knitted fabric in which the diamete...
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JP2005232747A |
To provide a method and equipment, which enable an underwater framework structure to automatically perform centering so as to fit a lower end of a vertical leg 2 into a head part of a pile 3, even if the underwater framework structure is...
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JP2005524548A |
The invention provides a structure comprising two facing plates, wherein the two facing plates are positioned one on each side of a solid-state composition, which solid-state composition comprises in the range of from 70 to 99% by weight...
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JP3676086B2 |
To improve water sealing performance, and to prevent leakage of grout by differencing the length of one end part and the length of the other end part running in the peripheral direction of an elastic water sealable annular plate-like sea...
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JP3671277B2 |
PURPOSE: To provide a large scale and stable artificial ground which is supported and constructed at a high elevation offshore or the like by means of a support pile to make effective use of a space. CONSTITUTION: This invention relates ...
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JP2005145448A |
To provide a method capable of shortening the time of constructing a terminal for liquefied natural gas (LNG) or liquefied petroleum gas (LPG).The method for constructing an LNG or LPG terminal (3) including an external structure (7) and...
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JP2005133483A |
To provide a construction method of a jacket structural body capable of constructing the jacket structural body on the sea having the sky limitation.A plurality of foundation piles 3 are installed in the area 7 of the sea, outer insertio...
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JP2005132130A |
To provide a barge on which a jacket structure can be constructed on the sea with air height limitation, and a method for constructing the jacket structure.On the barge 2, two protruding parts 22 and 22 are protruded forward at a bow 21 ...
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JP2005089970A |
To provide an artificial ground bearing leg mechanism which copes with the settlement of the submarine ground, can adjust the height of an artificial ground bearing surface depending on a settlement amount of the submarine ground, and re...
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JP3621823B2 |
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JP2005009070A |
To provide an installation method for a structure on water and a pontoon used in it for transporting and installing the structure without receiving restriction of height, ensuring stability and safety when transporting and installing it,...
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JP3603193B2 |
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JP2004324127A |
To propose a method for permanently using the upper surface of a regulating pond or a retarding basin.The floating artificial ground provided on the upper surface of the regulating pond or retarding basin can follow the rise and fall of ...
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JP3582701B2 |
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JP3554901B2 |
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JP2004522012A |
The proposed artificial island is made in the style of a landscape of mountain volcanic islands covered with natural growth, for arranging in it the oil/gas producing and refining equipment, with simultaneously restoring the sea biologic...
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JP3539750B2 |
PURPOSE: To build a floating footbridge even in a place having variations in water level by connecting unit floating piers in a row with a connection metal fixture having the horizontal and vertical axes, and turning a specific angle in ...
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JP2004168088A |
To provide a device of inspecting a structure including an underwater structure that moves on the structure for inspection efficiently and assuredly on the structure.This device of inspecting an underwater structure includes three vehicl...
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JP3536223B2 |
PURPOSE: To provide a method and device for assembling the chord member of a leg part for supporting an oil-excavating device where a gradual connection part consisting of the welding bead of junction parts to the other components of the...
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JP3518379B2 |
To provide a construction method for an underwater structure by which construction works on the sea can be reduced and the construction period and cost can be reduced at the same time. A foundation structure 10 is provided with an upper ...
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JP3514899B2 |
To provide an artificial ground structural body which comprises a composite steel pipe pile, a precast composite girder and a reinforced concrete floor slab together with a construction method thereof. There are provided a composite stee...
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JP3507930B2 |
To improve the quality of a welding section, and to control deformation during the use of a boom body by welding an inclined flat surface on a rectangular plate and the chamfer of the edges of a stiffener by means of an electron beam und...
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JP2004027708A |
To provide a marine structure unit, marine ground, and its construction method enabling suppression of consolidation settlement after construction and influence on tidal current and ecological system in the surrounding area of sea, short...
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JP3480270B2 |
To provide a conductive sheet of high durability constituting a device for preventing the adhesion of marine organisms on an intake channel in the case of using sea water as cooling water. A conductive sheet 3 is lined on the surface of ...
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JP3477339B2 |
To conduct connection with a pile at the lower end of a sleeve, and to support large load without lengthening the fixing length of the sleeve and the pile. When the lower end section of a sleeve 1 and a pile 4 in the jacket structure are...
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JP2003336249A |
To provide a long or wide area marine structure capable of absorbing a displacement due to vibration at the time of thermal expansion/contraction and an earthquake even when a plurality of jackets are connected by unilateral telescopic j...
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JP3463604B2 |
To considerably reduce a period of time for installation work and the construction cost by making installation easier and giving a relatively simple construction to a dolphin used for mooring or berthing a ship, floated structure, ocean ...
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JP3457168B2 |
To provide a method for constructing a ram rig high in stature over a semi-subrig by making use of a conventional gantry crane. After a ram rig has been divided into plural numbers along the traverse direction, in this case no vertical d...
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JP3423394B2 |
PURPOSE: To enable leg size to be designed rationally without being restricted by the diameter of a pile, allow leg material to be freely selected from H-steel, a box column, a steel pipe, and the like, eliminate the use of wasteful pile...
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JP3413515B2 |
To suppress the excessive convertion of the electric potential of titanium clad steel into the baser one, to buffer the hydrogen absorbing embrittlement therein and to maintain its durability by providing titanium clad steel joined to a ...
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JP3407027B2 |
PURPOSE: To provide a large-scale and stable pile type artificial ground constructed by way of supporting it by support piles high on the sea to effectively use a space. CONSTITUTION: This is an artificial ground supported considerably h...
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JP3385618B2 |
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JP2003064654A |
To provide a simple buoyancy structure which can lessen fluctuations in load, shared by a foundation structure, a tension leg, etc., due to water-level fluctuations caused by ocean waves, tidal waves. etc., and which can improve the stab...
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JP2003026086A |
To provide an offshore structure capable of reducing adverse influence affecting the offshore structure by wind.This offshore structure 20 has a plurality of columns 2a and 2b erected on the water bottom, and having an upper end part pro...
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JP2003019998A |
To provide a simple marine organism removing device for removing a sticking object such as a marine organism from a wall of an underwater structure by using natural power such as wave power and tidal power without using chemicals, compos...
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JP2002330690A |
To provide a method for preventing attachment of marine organisms to a marine environmental structure and corrosion thereof, capable of preventing the attachment and the corrosion caused by rust, or capable of retarding them as far as po...
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JP2002285952A |
To provide a floating type foundation structure allowing a generator system to be installed, even far out at sea irrespective of the marine ground shape at all, in which the water depth hardly exerts no affection.The float type foundatio...
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JP3327515B2 |
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JP2002262708A |
To construct a marine structure for the treatment of waste materials for reducing the negative influence and adding or increasing a positive influence of the waste treatment on the environment and to promote a marine frontier conception ...
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JP2002529630A |
An offshore structure which is resistant to wave, earthquake and ice loads and can be quickly installed and abandoned in response to changing environmental conditions includes a caisson having an upper section and a lower foundation sect...
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JP2002250025A |
To provide a soft landing floating body structure having high safety against water pressure, easy to manufacture, and allowing on-site execution at a low cost.The half-submerged soft landing floating body structure is provided with a flo...
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JP2002242219A |
To provide a deposit removing device capable of securely and efficiently removing deposit adhered to a pile and a sheet pile.The deposit removing device 10 is provided with a body part 20 formed into a substantially circular arc shape wh...
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JP2002225788A |
To provide a stable marine structure held at a generally fixed horizontal position and a vertical position to keep a good fixing property, and suppressing sway due to waves by inexpensive equipment.This marine structure comprises a float...
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JP2002161529A |
To provide an offshore structure and its construction method which can reduce influence on marine environment in the construction of offshore structure such as a heliport or the like and can easily remove or transfer after use and reduce...
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JP3288137B2 |
PURPOSE: To provide a preferable airport in the construction cost and period in the case of construction of an artificial island for an airport in the offing. CONSTITUTION: Air bags 4 are arranged in the rooms 2 of a caisson 1 provided w...
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JP3282523B2 |
To simplify the offshore work by mutually opposing box bodies having bolt receiving bases on the outside with a clearance, fastening the mutual bolt receiving bases by a long bolt, providing a concrete receiving base on the bottom of the...
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JP2002097619A |
To eliminate the need for ground improvement over the whole bottom portion of a floating body structure and the need for a long construction period.A mounting support 1a is protruded in position on the bottom face of the floating body st...
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