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Recovery Kits are used to recover jack rods/tubes at slipform construction. Recovery kit H2 Work pressure: 150 bar Length of Stroke: 100 mm Jack Tube/Rod Diameter: 27-34 mm
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Hydraulic Power Packs – Complete units of hydraulic highpressure oil pumps of various types, including oil lines with fittings.
Hydraulic Control Panels – Complete electrical control units for fully automatic operation of the hydraulic systems and computerised checking and monitoring equipment.
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Our steel tank erection set-up consist of following parts: 1.Lifting trestles 2.Guide trestles 3.Hydraulic climbers 4.Hydraulic power pack The method is based upon the principle that – after the tank bottom is first laid out – construction starts with the tank roof and the top shell assembly, all at foundation level. This completed upper part of the tank is then lifted by tank jacks mounted on lifting trestles, positioned inside and along the circular wall.
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Transfer System consist of a number of standard units. Please find some of them listed below. 1. Transfer system assembly Typical set-up for caisson transfer. 2. Pump Vehicle The Pump Vehicle consists of a control panel and two sets of power packs, one for lifting and one for pushing operations. 3. LRJME power pack The LRJME power pack feeds the LRJME unit with engine and oil. This enables easier handling and usage.
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Heavy Lifting System (on strands) – Hydraulic heavy lift climbers climbing on PC-strands.
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A special characteristic of these jacks is their flexibility and large lifting capacity in relation to their size. The jacks may be subdivided into two systems: smaller jacks of 100 kN capacity and larger solid steel rod jacks of 12 – 400 ton capacity. The systems are suitable for practically all kinds of heavy loads whose placing or removal requires a high degree of precision Application exampleas are installation of flue pipes, formwork-structures, heavy-machinery and complete bridge sections.
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Rod climbers Large range of hydraulic climber equipment for controlled handling of heavy loads such as installation of flue pipes, formwork-structures, heavy-machinery and complete bridge sections. Strand climbers Strand climber system is meant to be used as a lifting, pulling and lowering device for temporary mobile use on building sites, repair- & installation work within the industry and similar sites where there is a need for a flexible, easily object-adaptable equipment.
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The company supplies two systems for slipforming: Light (jacks with 3 & 6 tons capcity) and Heavy (jacks with 12 & 22 tons capacity).
Each jack is designed to be as versatile as possible in order to have equipment which can be used for a variety of project and applications.
Since all models of slipform jacks have the same stroke (25mm) they can all be combined.
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Advantages with gantry slipform system: No need for continuous dangerous dismantling- and assembly works for formwork and workdecks. Rigid workdecks, handrailing and safety nets can be installed permanently from the very beginning. Permanent access stairs can be installed in gantry. All electrical lines, lights and electrical tools/machinery can be installed properly from start.Weather protection (wind, sun & rain) can easily be provided. Large and convenient storing facilities (reinforcement, etc.) Easy access for workers to install reinforcement and pouring concrete.
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Conical slipforming allows us to build tapered and conical reinforced concrete structures whose cross-section and wall thickness varies continuously along the height of the building. The technique foresees that the vertical yoke legs are connected to a horizontal running, flexible jointed pair of yoke beams in order to form the so called yoke frame. The adaption of the formwork to the the changing geometry of the structure is afforded by means of hydraulic spindles/turnbuckles.
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Traditional slipform system to perform silo plants, water-towers, high-rise buildings, cores, chimneys, bridge piers, television towers, industrial power plants, caissons, tapered towers, chimneys and control towers.
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Traditional slipform supply The equipment required for slipforming consist of the following main components: • Form work, steel yokes, working and hanging scaffold • Slipform jacks, with level controllers and circuit oil pipes • Hydraulic power packs with automatic timer. Conical slipform supply A complete conical slipform rig consist of the following main components: • Top Construction, form work, steel yokes, working and hanging scaffold • Slipform jacks, with level controllers and circuit oil pipes • Hydraulic power packs with automatic timer. Gantry slipform supply A gantry slipform set-up consist of the following main components: • Complete gantry • Hydraulic system with 42 ton climber, • Form work, heavy duty yoke and upper slipform deck trusses. Slipform jacks The latest slipforming equipment and application technique for construction of everything from towers, silos, industrial- &residental buildings, concrete caissons for harbour facilities and reactor containments for nuclear power plants.
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Normally each project individually free of charge and then offer client the best set-up of equipment together with specified application design as a complete package.
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Cost comparison
The steel tank erection set-up is a very cost-efficient way of constructing large-volume cisterns and has been developed from knowledge of controlled heavy lifting technique with hydraulic jacks. Time and labour Steel tank set-up allows a complete cistern to be erected with hydraulics without the need of expensive construction cranes and with the minimum amount of labour.
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Repairing an existing cistern The base of an old cistern may have to be replaced. In this case, jacking units are erected externally. When the base plate has been cut free from the shell ring, the cistern is lifted to a sufficient height and the base plate is replaced. The cistern can then be lowered exactly in position again. This method is also used to lift cisterns in order to repair or reinforce the foundation. Cistern which tilt as a result of uneven settling can also be lifted in this manner and straightened.The lifiting trestles must be provided with a stable base for all of these operations.
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Steel tank erection method
One of most appreciated innovations on the world market is the steel tank erection set-up. The steel tank erection set-up is a very cost-efficient way of constructing large-volume cisterns and has been developed from knowledge of controlled heavy lifting technique with hydraulic jacks.
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Some examples of typical bridge launching projects: 1.Nakdong bridge, KoreaLaunching of steel bridge sections Mass: 50 x 700 tons Equipment: 4 Nos IP-CCV:s per section Length: 2. Savonlinna, FinlandIncremental launching of steel superstructure crossing lake Savonlinna Mass: 1850 ton Equipment: 10 nos strand jacks T15-S18 Length: 350 m
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