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JP2817466B2 |
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JP2815470B2 |
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JP2812043B2 |
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JP2808182B2 |
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JP2792220B2 |
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JPH10219652A |
To efficiently remove attachments stuck on piles of a marine structure. A buoyancy type attachment removing device is constituted by installing a proper number of floats 2 on a detachable attachment removing ring 1 larger in diameter tha...
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JPH10195858A |
To correct irregularity of an artificial road surface by supporting an artificial road surface in each upper end surface of piles through a telescopic actuator, and detecting settlement of piles with an inclination sensor so as to operat...
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JP2775520B2 |
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JPH10176324A |
To prevent outflow of an artificial floating island at the time of a flood without using a mooring rope by continuously providing U shaped steel sheet piles, etc., along an outer periphery of the artificial floating island and setting a ...
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JPH10159075A |
To provide an offshore structure having no adverse effect on ocean environment and being also difficult to be subject to the effect of waves. Leg sections 5 installed to hulls 3 can be expanded and contracted and driven. Deck sections 9 ...
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JP2758130B2 |
PURPOSE: To easily assemble even a large ocean floating structure by carrying out a jointing work for the bottom, intermediate and upper sections of the structure on the surface of the water at all times without any need of a special und...
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JP2757519B2 |
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JPH10121451A |
To provide on-the-water structures such as piers, airport, runway, bridge, and heliport which are less likely to be destroyed by earthquakes and capable of coping with wave pressures on a base prepared on the bottom of the sea, lake, or ...
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JPH10121450A |
To provide a binding engineering method of a caison and a foundation pile capable of sufficiently securing binding power while speedily depositing binding concrete of the caison and the foundation pile. This binding engineering method is...
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JPH10102470A |
To provide a method for installing a waterborne platform in which a plant can be installed safely in a short period of time at a site. The method for installing a landing, lifting type waterborne platform comprises the steps of erecting ...
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JP2568681Y2 |
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JP2739508B2 |
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JP2737393B2 |
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JP2739187B2 |
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JPH1088604A |
To provide an anti-corrosion and anti-contamination equipment for a steel structure in sea water with a simple configuration at a low cost which is able to effectively prevent the sticking of marine organisms by applying a proper anti-co...
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JP2735651B2 |
PURPOSE:To improve work efficiency and to make it possible to place accurately by erecting one of a plurality of hollow cylindrical piles higher than the other piles, and driving a plurality of piles into the sea foundation. CONSTITUTION...
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JPH1082043A |
To reduce construction cost, and to shorten the term of works by efficiently conducting various works attended with the execution of works of a caisson safely by installing a crane device to caisson itself. Crane devices K1, K2 are arran...
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JPH1082042A |
To conduct the drawin-in works of a caisson into a revetment easily, safely and surely, and to carry out a device so that the effects of a tidal current and wind waves are reduced from the beginning even both at the time of the drawing-i...
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JPH1025731A |
To eliminate the need for temporary and disassembly removing construction works of a hanging scaffolding by using a water-surface transfer platform rowed on a water surface by manpower at the time of the maintenance such as inspection, p...
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JP2703137B2 |
PURPOSE: To provide a waterborne structure which is prevented from being influenced by waves or the ebb and flow of a tide and high in buoyancy and strong in stability, in the waterborne structure, such as a floating body type runway. CO...
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JP2693731B2 |
PURPOSE: To prevent the influence of an ocean structure upon ecosystem without hindering a current under the ocean structure even if it is grounded on the bottom of the sea to construct by making total weight of the ocean structure heavi...
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JP2694390B2 |
PURPOSE:To directly moor a small boat such as a motor boat, a yacht, a marine bike and so on (commonly referred to as pleasure boat) on the ocean in a calm water area close to the shore of an inlet (bay or basin). CONSTITUTION:A large nu...
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JP2557516Y2 |
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JP2556863Y2 |
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JP2684223B2 |
A modular space framed structure is constructed using uniform components to provide the desired geometry of the modular structure. The structure is comprised of a plurality of rigid Y-shaped joints, each of which has three branches which...
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JPH09302711A |
To efficiently and safely finish up the bottom of the water evenly by a method wherein a sludge recovery attachment is fixed to the lower end of an expandable/contractile leg capable of reaching to the bottom of the water through a turna...
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JPH09296471A |
To facilitate the covering and fixing work for an optimum position on a steel pipe pile, by fixing a coated cylinder to the steel pipe pile with the foaming expansion of a resin ring after the coated cylinder to which resin rings are stu...
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JPH09290798A |
To facilitate rejackup in mud also spud extracting work, by providing an extracting jack of a spud main unit in a lower part of the spud main unit provided in a pontoon or the like. In a spud 1, in order to support a pontoon 2 to a presc...
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JP2669317B2 |
PURPOSE: To provide a gravitational force type offshore structure to be constructed in comparatively large depth of water which is capable of being employed in an area even where a quiet, large-depth coastal sea area cannot be secured an...
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JP2665394B2 |
Suspension and handling device integrated in the supporting legs of a self-elevating oil-prospecting platform, comprising a shell mounted displaceably on the legs by means of drive mechanisms comprising at least two opposed assemblies (1...
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JPH09235714A |
To provide an underwater structure steel pile and its construction method capable of troubleshooting many complicated construction troubles without using a sleeve into which a joint material must be filled up. A pile type underwater stru...
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JP2643049B2 |
PURPOSE: To provide a structure that is floatable on an ocean surface and that is fixable relative to an ocean bottom. CONSTITUTION: A floatable structure includes an array of floatable or submersible caissons and a floatable box girder ...
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JPH09508186A |
An offshore tension leg platform having a deck, a hull, and a plurality of elongate tendons securing the hull to an ocean floor foundation provides full well workover and production capabilities for autonomous operation and can be instal...
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JPH09209348A |
To provide a marine floating body structure that does not require special mooring devices such as dolphins, is easy to move and remove, and resists earthquakes. A grounding body 2 that is sunk and grounded on the bottom of the sea is pro...
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JP2632795B2 |
PURPOSE: To facilitate the construction work of artificial ground by inserting a support pile into a basic part pontoon insertion hole to drive it in, lifting a basic part pontoon to fix it on the support pile, and laying a slab pontoon ...
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JP2625116B2 |
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JP2539474Y2 |
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JP2608824B2 |
PURPOSE: To provide the culturing device capable of being installed or a sea silt layer not permitting the inhabitation of algae, fishes and shellfish by disposing plural supports for supporting loads in the structure of the culturing de...
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JP2609157B2 |
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JP2606799B2 |
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JP2605492B2 |
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JP2603060B2 |
To provide a TLP marine riser tensioner which is simple and low cost without requiring control means for maintaining a constant fluid pressure as well as means for continuously supplying a high pressure fluid for the riser tensioner. A T...
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JPH0999887A |
To provide a welding method for an underwater section leaving no extra projections such as chilled plates on the bottom face side of an underwater weld section such as an offshore structure. The liquid in a box 7 opened with the upper fa...
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JPH0999886A |
To provide a chamber device for welding the bottom plate of a floating body structure capable of safely and surely fixing a bottom chamber for the welding work movable along a guide rail fitted on the lower face of the bottom plate of th...
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JP2597878B2 |
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