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Y-shaped eye-catcher

Prime contractor: DYWIDAG Dyckerhoff & Widmann Gesellschaft m.b.H., Vienna office, Austria

As prime contractor, DYWIDAG built an attractive hotel near Vienna. Formwork and shoring tower systems from MEVA supported the successful execution of this project.


Varying overhangs supported on all storeys using flexible shoring towers

The B&B Hotel Landmark in Wiener Neudorf is an eye-catcher. The building layout has a Y-shaped floor plan. The slabs of the upper floors overhang on all sides to different extents and the storeys, which give the impression of being stacked one on top of the other, appear to be literally floating. Inclined round columns flank the hotel building’s entrance area. The complex comprises seven storeys. The 3.40 m high garage in the basement was constructed with massive columns and beams. The 5.10 m high ground floor includes the hotel foyer and a 1,300 m² food service area. Here, the MevaDec slab formwork was installed on the MT 60 shoring tower system. Above this there is a 3.80 m high storey with breakfast room and terrace. These three lower storeys were all built using in-situ concrete, while in the four upper storeys, each 2.70 m high, a mixture of in-situ concrete walls and cavity walls was used.

 

Few basic parts rather than a forest of props

Due to its flexibility, the conventional MevaFlex slab formwork is particularly well suited for varying and differing building layouts. It was covered with the steel-reinforced precast concrete slabs supplied. Besides MT 60, MEVA’s compatible MEP system was used. This does not result in a “forest of props”, but is rather adapted to suit every building geometry and heights up to 21 m using just a few basic parts and frames.

 

Only minor adaptations necessary

The compatibility of the MEVA MT 60 and MEP shoring tower systems simplifies the work when subject to difficult requirements such as different storey heights, floor plans and mixed construction methods. As the projecting roofs already completed were not able to support the superimposed loading from the projecting roofs that were to be poured above them on their own, all levels had to be completely supported. Due to the different overhangs, a different support height occurred every few meters. To make the implementation nonetheless more efficient, the DYWIDAG team and MEVA worked together to develop a method of support that required only minor adaptations depending on the situation. This enabled a lot of assembly time to be saved and the progress of the construction work to be accelerated.

All in-situ walls were formed using the StarTec wall formwork system and panel heights of 270 and 135 cm. The universal formwork made of steel with a full-surface fresh concrete load capacity of 60 kN/m² can be used efficiently and simply handled using just a few connecting elements.

 

In close cooperation to the finishing line

DYWIDAG construction manager Jovica Mihajlovic expressed his satisfaction with the result – and the way in which the objective was achieved.

We were able to solve complex tasks, such as supporting the different overhangs of the projecting roofs, with aplomb in close cooperation with MEVA and on the basis of mutual trust. This was the decisive factor for the quick and successful implementation of all safety-related tasks. The simple handling of the systems also contributed to the rapid construction progress.
”DYWIDAG-Bauleiter, Jovica Mihajlovic


MEVA systems:


Prime contractor:
DYWIDAG Dyckerhoff & Widmann Gesellschaft m.b.H., Vienna office, Austria

Principal:
Mamma Group, Vienna

Architect:
Zechner & Zechner ZT GmbH, Vienna

Project:
B&B Hotel Landmark, Wiener Neudorf, Austria

Engineering and support:
MEVA Schalungs-Systeme Gesellschaft m.b.H., Pfaffstätten, Austria
MEVA Schalungs-Systeme GmbH, ­Haiterbach, Germany


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