CONTEMPORIST

CONTEMPORIST

Graticule House by David Jameson Architect

Posted: 28 Nov 2011 04:01 PM PST

Architect David Jameson designed the Graticule House in Great Falls, Virginia.

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Description from the architect:

Situated on a hillside site, the Graticule House is conceived to be a trace, or reference datum, allowing a reading of the relationship between the building and nature. Fundamental to the conception of the house is the notion of cadence, where repetitious vertical and horizontal markers of the building's tectonics are juxtaposed with the particularity of the forest and ground plane. Light and space are modulated by meshing ribbons of glass and wall planes that form a tessellation of solid and void.

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Visit the David Jameson Architect website – here.

Photography by Nic Lehoux

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The Dropit Hook by Asshoff & Brogård for Normann Copenhagen

Posted: 28 Nov 2011 07:28 AM PST

Swedish design studio Asshoff & Brogård have designed a wooden, drop-shaped hook for
Normann Copenhagen.

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Visit the Normann Copenhagen website – here.

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Cantilevered Glass Helical Staircase by Diapo

Posted: 28 Nov 2011 05:19 AM PST

Diapo, a London-based staircase fabricator, have sent us some images of a cantilevered glass helical staircase they designed and built around a large aquarium earlier this year.

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Description

The stair is fabricated from a single steel helical stringer with cantilevering glass treads and glass balustrade to stairs and landing.

Steelwork

- The stringer will be connected to the floor structure using a steel base plate and supported off steel CHS columns (columns by others) at 3 other locations with fabricated brackets.

- The stringer will be a customised steel parallel flange channel (PFC) running around the outer edge of the stair with a plate infill welded into the open side and 'post-box' cut-outs to enable the glass treads to cantilever from the stringer towards the aquarium in the centre.

Glass

- The glass treads are to be wedge shaped heat soaked toughened laminated glass 40mm thick with structural sentry interlayer.

- The glass treads will be inserted through the stringer from the outside edge of the stair and held in place using high modulus silicon and nylon packers.

- The landing glass will be supported off the PFC stringer in a similar manner to the treads.

- The glass balustrade is to be heat soaked toughened laminated glass 15mm thick clamped between the stringer and a fascia plate.

Structural feasibility

- The design loads will be taken as 1.5kN/m2 floor load for a residential building and 0.36kN/m run balustrade loading taken in accordance with BS6399:pt 1.

- The target frequency of the stair will be 7Hz with 25% live load taken as participant mass. – This means that the stair will exhibit mild perceptible vibrations when trafficked energetically, which is normal for a stair of this type.

- It is assumed that the supporting structure has been designed with adequate stiffness and strength to support the proposed stair.

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Visit the Diapo website – here.

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