blog 13 Halftecture O, japan

 Hello Everyone,

HALFTECTURE O

Chūō-ku, Osaka, Japan

DESIGN INTENTION

-          The architect describes this project as “halftecture” because it is not fully enclosed; rather, it is simultaneously open and closed.

-          Closed compartments are grounded but do not touch the roof plane, permitting fresh air to freely pass above them.

-          This project is one of a series of three public restrooms planned at the important landmark for use by local residents and tourists.

MATERIALITY

-          The primary structure, roof, and walls of this building are constructed of weathering steel plates COR-TEN steel, The rusted surface of which blends into the surrounding environment.

-          The steel alloy will oxidize, becoming a passive barrier against further corrosion.

-          Welded connections between the steel plates

-          Monolithic structural form.

-          The oxidized steel roof contain glistening porcelain, stone, and metal finishes.

TECHNICAL

-          The roof, which is made of 0.6” thick steel plates welded into a single plane using continuous welds.

-          The roof plane is suspended from walls made of 1" thick steel plates, set 65.6' apart. The steel roof spans 125 times its thickness.

-          The catenary curve form of the roof is an instructive illustration of the self-weight of the steel plate, which, because of its shallow cross-section, has a low moment of inertia.

 





Warm regards,

B.Deepak Srinivasan

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