© RYUICHI ASHIZAWA ARCHITECTS & associates

Spiral Garden // RYUICHI ASHIZAWA ARCHITECTS & associates

Hyogo, Japan

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Text description provided by the architects.

Spiral Garden is a residential project dedicated to a family of four, residing on the slope of Awaji Island, Japan. The design studies the temperate nature of the Island, as well as the family’s distinctive, nature-conscious approach to all aspects of life.In response to its context, the house employs local timber construction.

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

It has a unique form, consisting of a continuous spiral that rises towards the central space. We think, the structure although is a unique form to succeed with traditional structure. The structure outline draws spiral lines and beams which are radially bridged from the center cylinder pillar. This form is special, hence every joints connection is crafted by a carpenter manually.The inner and outer walls finishing is as same as traditional Japanese houses, made of the soil from Awaji Island.

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

Under this finishing, we also used the woven bamboo lattice. The floor uses a technique called “Tataki”. It is a hard-packed earthen floor comprising of earth, lime, and water that is beaten until solidification and is extremely resistant to high foot traffic.

The roof is a spiral garden where growers raise their spirals while the ecology continues from the ground.

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

Since the shape is spiral, various directions and height can be obtained, so that various plants can be planted according to the sunshine and humidity.

In addition, the water that falls down on the roof gradually descends without sweeping down by the planned swirl and is led to the reservoir while moistening everything.

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

The water in the irrigation pond delivers cold air into the houses in the summer. Using trees and soil, we decided to create a place of living where we can always feel the assets of light, wind, water, and greenery..

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

© RYUICHI ASHIZAWA ARCHITECTS & associates

Spiral Garden Gallery

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