Here, extra attention is thus given to the act of eating in the attempt of exploring suitable construction method for the shell form indicated. Concrete is the chosen primary material for the project due to its 'sad' emotion attached to its appearance and mass; yet concrete shells are comparably lighter and thinner than expected. Construction studies of precedents below prove that nothing must be judged solely by the expression worn.
[Model edited from 3D Warehouse]
Pre-casting reduces the amount of work on site; concrete panels are like pieces of puzzle attached together to form a shell.
Using earth as formwork reduces cost of construction while still supporting the formation of curvaceous thin concrete.
Repetition in pattern is visually beautiful, and definitely cost-effective as the same formwork can be used repetitively.
Applying the information collected on the design for the act of eating however, is another challenge.
The three curtain-wall sided auditorium is adapted into a four-sided eating hall. But due to different lengths of all sides, perpendicular tensioning is required with the centre point shifting, thus making the eating hall more of a concrete vault.
In-situ construction would be needed in this case, with the possibility of adapting formwork made of earth (such as Teshima Art Museum) as the eating hall is smaller in scale compared to the auditorium.
Simply said, concrete shell is what's left of a subtracted sphere; the curve supporting the shape to stand by its own. Reinforcement is added to the construction for additional strength.
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In anther experimentation, the play of repetition as performed by Stuttgart Flower Hall is applied onto Shonan Christ Church's curvature of concrete roof (while remaining on a rectangular plan). The symmetrical effect produced is however appearing too monumental.
Left: Detail of skylight of the church. Daylighting can also be allowed into the building through a higher placed wall glazing besides rooflight.
