This project is a bar transformed from the original air-raid shelter in the 1st Printing factory in Chongqing.
Faced with such a small area, and the center is occupied by a huge tree pond, put the bar at the north end of the yard is almost the only choice, to make full use of the most characteristic elements in the courtyard.The three air-raid shelters are not connected to each other. Each floor space is about 4m*4m, and the arch is only 2.1m away from the ground. How to develop a space suitable for the bar is the focus of the design.
Firstly, a 2.5-meter-wide front porch was added to connect the three air-raid shelters, but the plan is more like a series of cubicles connected by a corridor. To eliminate this state, we use a semi-circular desk to spatially “bridge” two of the air-raid holes, to make the bar plan become a radioactive space centered on an old stone wall, thus strengthening the overall sense. However, such a layout leads to smaller operation space, so the wine rack cannot be placed behind the bar as usual, but is placed at the end of the bomb shelter to form the background wall of the bar.
In order to connect the vaulted roof to the flat roof of the new front porch, we control the height of the front porch at the arched foot and use a 1/4 sphere to connect the wall, so as to realize the natural transition between the old and new parts in the external form and internal space, respectively.The main beam adopts 100mm*100mm C-shaped steel, and the other beams and columns are uniformly made of 50mm*40mm square steel pipe (the column is welded by five steel pipes into a cross column), which is the only small scale structural material in the nearby building materials market. The roof and the bottom of the roof are both 5mm thick galvanized steel sheets. The external drainage ditch is tilted outwards to ensure that the height of the cornice is only 35mm. The track of the folding sliding door is hidden in the C-shaped main beam to ensure that the continuity of the indoor and outdoor roof bottom is not interrupted by any member. The spheres that connect the flat roof and the vault are also perfectly presented indoors, but the inner wall material is replaced with mirror stainless steel, It re-projects the distorted image of the wine rack, making the indoor atmosphere more and more blurred and illusory.
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