One Year Project (Villa) by Kotaro Anzai
2018 - 2019, Platinum A' Architecture, Building and Structure Design Award Winner
It usually functioning in accordance with defined regulations in modern society, we ponder that construction of the “One year project” should yield to nature.This is an idea of “borrow” not “receive” the resources from natural environment. After the project completion, we have to return-as-we-used to plant the same kind of trees to prepare the necessary amount of natural material for next generations.
“One year project” as the name indicates “move with times” which means that it took entire one year to experience the whole process such as tree cutting, sawing, fabrication, and assembling together with nature. At its heart, a house building is expected to be succeeding each process through dialogue with nature. Steel posts are standing from the local Inawashiro made volcanic rocks (granite) used for isolated footings which protect it from 2m-high snow load in winter.
Design Challenges
The hardest part of this project is the foundation and structure. Using local "Bandai stone" for the isolated foundations is really a big challenge for us because each stone vary in size and shape. We chose them one by one to make sure they are proper for the foundation. To imitate the trees in the forest, posts coming up from the stones with different angles which means it's necessary to adjust the level of the foundation stones precisely to make it perfect to connect the posts.
Production Technology
We used the bedrock congealed lave in the ancient times as substrate that lying under 80cm below and installed 1.5m rectangular-like natural volcanic block(granite) as isolated footings which were selected one by one with masons and thoroughly investigated to install.The forest of steel posts are come up alternately from footings. These posts are connected to the wooden lattice-work stilt floor surface at the middle and to the square roof surface at the top. By supporting vertical and horizontal force by the posts, this structural system made it possible to have open vision.
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