Independent Place, MW Architects MW Architects 现代客厅設計點子、靈感 & 圖片
Independent Place, MW Architects MW Architects 现代客厅設計點子、靈感 & 圖片

This is a replacement of a simple Everest conservatory – with a double curved, self-reciprocating, stressed skin, cantilevering composite timber roof!

The client wanted a space with a bit more climatic stability, a little less glare and little more privacy but to retain the light and relationship to the garden.

They also wanted to use the existing foundations and retain the floor; slab, underfloor heating and tiles. We needed to design a lightweight roof that would take advantage of low winter sun, shade the summer sun, provided more privacy but have sufficient glazing to connect to the small garden.

One side was close to a neighbouring property and it was crucial that the eaves on this side were no higher than the existing structure. We proposed a double curving roof plane that was kept very low on one side but peeled up in the corner towards the most open aspect, where there were no buildings and lots of sky. A clerestory all round lifts the roof and makes it appear to float.

We worked with structural engineers Structure Mode from an early stage of the project which allowed us to carefully assess viability. In principle a new structure on the existing foundations could be justified by offsetting the weight of the existing conservatory. But to make a lightweight double curving insulated roof with cantilevered eaves was going to be challenge.

It took a long time working very closely with Structure Mode but the final design is a double curved, self-reciprocating, cantilevering composite timber roof structure, supported along one edge and on six small steel columns. The curving edges actuality provide structural satiability to the cantilevering eaves, particularly to the raised corner. The roof beams are CNC cut in sections from a Laminated Veneered Lumber (LVL) panel. The connections are mortice and tenon but also spliced which allows the structural grid to be self reciprocating at each connection and span in both directions. This also kept the structural members thin enough to provide sufficient headroom.

Each beam was carefully modelled in 3D CAD and then 1:10 laser cut models were made with every detail to ensure that all the joints were absolutely correct. Once satisfied that all the connections were millimetre accurate the exact same files were used to CNC cut the ply panels to form the beams.

The top surface was skinned in several layers of ply creating a curved stressed skin further stiffening the structure and reducing the deflection. Similarly thin sheets of insulation were sandwiched over the centre of the roof leaving the overhangs outside the glazing line thin and exposed.

The double glazed its had curved tops and were fitted into lightly bent aluminium channels which allows a +/- 10mm movement in the roof. The solid walls are simple timber frame, rendered externally and plaster boarded internally.

The result is a space that can be used all year round and at all times of day. The exposed roof is the focus point providing delight to all visitors and continued satisfaction to the owners. Its warm and tactile finish encourages guests to reach up and touch it as it sweeps down to only just over 2 meters from the floor. The full height frameless glass corner enhances the garden connection and exaggerates the height of the raised corner.

信用肯定: French + Tye
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