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South Health Campus Medical Facility, Calgary, Canada
Innovative table solution: 2,800 m² slab area per week
For the Canadian hospital project with its special requirements regarding slab dimensions, construction time and progress, a PERI special solution has proved to be the most cost-effective option. In order to be able to construct the 200,000 m² of floor space as cost-effectively as possible, PERI engineers developed a special slab table version on the basis of standard components: the almost 90 m² tables only have four corner supports so that all the loads can be carried by the reinforced concrete columns without the need of any intermediate supports - and thus transferred without continuous support measures into the lower floors. The so-called PERI DCS system (Deflection Compensating System) automatically offset the deflections which occur during concreting. Furthermore, the tables can be moved manually resulting in simple and fast moving procedures.
This means that no shoring or continuous support measures are required within the slab area resulting in signifi cant workload savings as well as considerable reductions in material requirements. Loads of up to 237 kN per table support are directly transferred into the building structure by means of a clamping frame with swivel-mounted brackets. A self-levelling system, comprised of sensors and hydraulic cylinders, guarantees that the slab table remains level when loaded: fi ve sensors on each table record the respective deflections during concreting - depending on the measurement results, the hydraulic cylinders automatically raise the formwork back into an exact horizontal position. Up to ten slab tables can be controlled at the same time through a common hydraulic unit.
PERI Engineering
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| PERI Systems In Use |
RUNDFLEX Circular Wall Formwork
QUATTRO Column formwork
TRIO
SKYDECK Aluminium Panel Slab Formwork
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Scott Thompson, Project Manager
Sam Poskovic, Site Foreman
“The PERI solution saves us 30 - 40 % on the work involved so that we can operate very efficiently. In addition, we now only need four instead of six cranes as originally planned.”
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Handbook 2011
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