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Peri’s Variokit incorporates three standard components that can be applied to a wide range of applications: a steel waler universal SRU, climbing rail RCS and heavy-duty spindle SLS.
Benefits of the systems include the need for few anchors in wall areas; optional hydraulic support for shuttering, striking, lifting and lowering; self-propelling or mobile solutions for moving complete units; and the ability to create different cross-sections by making simple modifications.
All components can be optimally adapted: the HD 200 heavy-duty prop allows continuous height adjustment and grid-free longitudinal arrangement; the RCS slab beam can be flexibly adapted; the Variokit diagonal strut is continuously usable from 4-9m.
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In 2010 Peri is planning to release enhanced versions of several products. The Peri VT 20K is a 20cm-high solid web girder with improved protection at the girder ends.
Robust steel caps have been added to the ends of the girder and concave web ends to prevent damage in demanding and tough conditions on the construction site, considerably increasing the service life of the girder.
Here, the natural elasticity of the wood is also used to absorb the impact energy. In addition, the highly compressed solid web has a high proportion of synthetic resin that ensures high dimensional stability.
Project Details
There have been several high profile infrastructure projects undertaken in the region over the past few years, with many more underway or still to commence.
The Jumeirah Palm Island Tunnel project involved the construction of a 1.4km tunnel to join the main island with the outer crescent.
This included 600m of underwater tunnel at depths of up to 25m. Forming, reinforcement work and concreting were carried out using the separate casting method. In 25 m long concreting steps and four cycle sequences, the tunnel bottom plate, two wall sections respectively and then the slab could be concreted consecutively.
Peri system components from the Vario girder wall formwork system provided the solution throughout. The load-bearing GT 24 formwork girders and SRZ steel walers were also used very flexibly as slab formwork.
The concrete loads during construction of the tunnel slab were safely transferred into the bottom plate via PD 8 shoring towers.
Most recently, in early February Aluma won the contract for the Al Hodariyat Bridge Project in Abu Dhabi. The firm’s Aluma Frame, Aluma Table and Aluma Wall-Form system will all be used on the VSL/AST joint venture project, with work on site due to begin in the immediate future.
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