Between 1957 and 1961 Ludwig Mies van der Rohe projected the offices, the building is of rectangular plant of 52 meters long and 27 meters wide, with 8 meters of height The ground floor is a large open hall with two symmetrical stairs that lead to the upper floor, bordering the space of the central hall in double height.
Around the glazed space of the hall is a semi-covered perimeter gallery. The hall gravitates on its vertical axis but receives light only from the sides. The space is visually scattered outwards. Upstairs, a gallery surrounds the double-height hollow. Here are the administrative offices and meeting rooms, separated by moving panels.
The rectangular structure of the ground floor and the first floor is supported by metal pillars that free the area of the plant, fluid spaces, without divisions; the travertine marble floor was designed with mathematical precision to avoid mismatches in the assembly. The walls consist of crystals that occupy their entire height. The work stands out for the rigidly geometric composition and the total absence of ornamental elements. His poetics lies in the subtle mastery of proportions and the exquisite elegance of materials, which suggest transparency and reflections.More news: Madame Macabre: Tips to dye clothes.
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Felix Candela between 1958 and 1960, initially only three vaults were built, in 1971, in a second phase, three others of the same size and typology, supervised by the brothers of the architect.
Each of the four corners rests on a leg that transfers the loads of the vaults to the foundations, which in turn discharge the weight vertically into the ground. Steel ties connect the foundations to withstand the horizontal forces, these reinforcements are completely hidden from view, both inside and outside.
The arches are located directly on the glass walls to ensure that in the case of unexpected wind loads the shell is sufficiently rigid so as not to allow the movement of the crystals. Similarly, the frames of the reinforcing ribs of the skylights are fixed to the vaults that surround them.