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I-Park Housing Project in Seoul, Korea
Only 4 days for a complete floor with PERI formwork technology
The Hyundai Development Company is currently constructing an impressive high-rise project in Seoul, Korea. On an area of approx. 32,000 m² in the city quarter of Kangnam-Gu, a building complex is taking shape, characterized by three individual towers. After the planned completion in the spring of 2004, the 133 m, 156 m and 159 m high towers will have approximately 450 luxury apartments.
The extremely tight schedule forced the contractor to place high demands on the formwork suppliers – one complete floor would have to be finished in only four working days. Hyundai decided on the internationally-experienced formwork manufacturer, PERI, to carry out the formwork planning and delivery to ensure that construction targets were met. The engineers at PERI Korea developed a comprehensive formwork concept in close cooperation with engineers at PERI headquarters in Germany, providing a cost-effective construction sequence for the contractor.
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SKYDECK
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PERI ACS (Automatic Climbing System) self-climbing technology is being used together with PERI VARIO girder wall formwork for the cores of the towers and the facades. The core formwork climbs in advance of the facades, followed by the slabs that are formed with 750 m² of PERI SKYDECK aluminium panel slab formwork for each tower. The PERI VARIO girder wall formwork on the facades is raised completely from floor to floor without the help of a crane, as well as on the core. This is carried out using the patented PERI ACS 100 climbing unit which provides an extremely high degree of safety through its lifting capacity of 100 kN for each bracket. The so-called “landing platforms or superdecks”, that extend over two floors, also climb up without the help of a crane. As cantilevered material platforms, they serve to bring materials and equipment from floor to floor by crane.
PERI created an especially time-saving solution for forming the reinforced concrete columns on the facade: the VARIO formwork is foldable and integrated into the external ACS units. The individual elements do not have to be dismantled for stripping but can be climbed in units after opening – without the use of a crane! |
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PERI supplied the site with a complete formwork solution which garantees a smooth construction sequence. Project Manager, Young-Seok Choi, summed it up as follows: „Through the use of the PERI systems we are in a position to meet all requirements and, at the same time, we can reduce our labour costs. Without ACS and SKYDECK we would certainly not have achieved the 4-day cycle for each floor. And PERI''s ACS self-climbing technology has enabled us to do without one tower crane.” |
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PERI Press Report February 2003
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