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N-HOW HOTEL _ Cantilevered building _ Berlin _ Tchoban Voss •Identify a cantilevered structure. •The need for the cantilever ? (design issue) – services, structural requirement, site response, or just visual. •Explain the structural system – flat beam / flat plate / truss, how is the behavior of the cantilever, how does it stay (concept)?
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Page 1: Nhow hotel, berlin

N-HOW HOTEL _ Cantilevered building _ Berlin _ Tchoban Voss

•Identify a cantilevered structure.•The need for the cantilever ? (design issue) – services, structural requirement, site response, or just visual.•Explain the structural system – flat beam / flat plate / truss, how is the behavior of the cantilever, how does it stay (concept)?

Page 2: Nhow hotel, berlin

_Introduction to the structure

A three-storey block with a mirrored underside juts out from the top of a Berlin hotel, cantilevered about seventy feet and hovering eighty feet above the water..

The huge cantilever comprises the upper three floors of the eleven-storey NHow Hotel, which was designed by German architects NPS Tchoban Voss.

The end of the cantilever is fully glazed whilst the underside is clad in polished aluminium, creating a mirror that reflects the hotel roof below.

Page 3: Nhow hotel, berlin

The structure of the building and the façade design refer to the situation of the building A huge cantilevered cube cites the motif of a crane cabin, whereas the façade’s surface mingles into the ubiquitous brown stone materiality at the formerly important city harbor of Osthafen.

Page 4: Nhow hotel, berlin

_The need for the cantilever

The complex has 2 U-shaped blocks which each open toward a terrace on the River Spree. The ground floors of both blocks are completely built over by a connecting structure of glass which supports the impression of an urban planning caesura between the blocks. The blocks are also connected with a glazed catwalk in each of the 7 full storeys above ground. The upper 3 will protrude further toward the River Spree to convey the image of a “crane house”.

Page 5: Nhow hotel, berlin

_The study of the cantilever

On street level a floor-to-ceiling glass band with large-size panels distinguishes the hotel from the neighboring old storehouses. The façade zone above is formed by perforated brick coat with irregularly arranged square windows.The chosen bricks vary in color as well as in their line-up adding a vivid optical brigo to the massive volume by an irregular surface. The fitted top levels (7th to 10th floor) wear a highly reflective aluminum cladding and allow splendid views to the southwest through an all-glass double façade.

Page 6: Nhow hotel, berlin

JUINAGAR RAILWAY STATION_ Cantilevered stairs_ Foot Over-bridge