Culvert Guesthouse | nendo – Arch2O.com

Storage facility for archiving furnishings, merchandise, and paintings in Miyota-machi, Nagano Prefecture, with a Culvert Guesthouse hooked up. Situated in a quiet and nature-rich surroundings the place streams weave by way of a thick forest of purple pine, the tunnel-like structure took form by way of a mix of precast and prestressed development strategies.

© Takumi Ota

The tunnel-like constructing takes form by way of a mix of precast and prestressed development strategies in a peaceable and nature-rich space the place streams swirl by way of a thick forest of purple pine. Frequent components for precast development are molded at a manufacturing facility and assembled on-site. One instance of its employment in infrastructure initiatives is the field culvert (a box-shaped concrete construction that shops subsurface waterways, paths, energy traces, and communication traces). Nevertheless, as a result of the method doesn’t present a leak-free composition or enable for stacking, each of that are required for this structure, prestressing was utilized to hitch the sections.

© Takumi Ota

Culvert Guesthouse ‘s Design Idea

The prestressing methodology is utilized in civil engineering initiatives similar to bridges that contain aligning the components after which tightening them utilizing wires to hitch them. This produces a seamless and flawless floor end, a good seal, and sturdiness. The widespread square-shaped sections weigh round 12 tons every, and 63 of those components had been employed in complete. The scale of the components was decided by the supply truck’s loading capability and the load {that a} crane may elevate. The reinforcement on the coming into nook is 45 levels, which can also be utilized in typical field culverts, acts as a brace, and improves earthquake resistance. A slim, tunnel-shaped house with an inner dimension of about 2 x 2.3 m was shaped by becoming a member of these items. Every “tunnel” was related by fourteen wires, which had been tensioned uniformly.

© Takumi Ota

The wires had been progressively tightened over time till a stress of 46 tons was utilized to every. The construction includes 4 stacked “tunnels” with a roof within the heart. There are two smaller storage rooms and a protracted, slim storage room with a depth of round 40 meters, however extra are anticipated to be added to the positioning as the gathering will increase. The primary story homes the kitchen, rest room, rest room, and different water utilities, whereas the second flooring homes a small bed room and a examine. The home windows had been created with as few metallic frames as potential, and high-transparency glass as much as 10 meters lengthy was fixed into the slots like shoji screens. The gravel and plantings utilized on the façade had been additionally employed on the inside to usher in the outside environment.

© Daici Ano

The gravel was partially cemented with glue to make it simpler to stroll on. As an alternative of simply pouring resin over the gravel, as is usually achieved, the resin was utilized to the bottom first, adopted by the gravel, to forestall the floor from changing into shiny. Moreover, the door handles would have seemed jarring if that they had been fitted as-is. Subsequently, an unique deal with was constructed to cover within the small hole between the door and the wall. The bath is carved into the ground such that the water floor traces with the ground, giving the phantasm of a steady tunnel form. The ultimate surroundings is extra of a mission that mixes civil engineering ideas with product design options than an architectural house.

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