Page 38 - Glass-Technology International no. 1-2019
P. 38

CASE STUDY









                                                                                        requirements placed upon
                                                                                        the first of three viewing
                                                                                        platforms to be redesigned
                                                                                        at a height of 57.6 metres
                                                                                        was to make it more attrac-
                                                                                        tive to visitors. The design
                                                                                        provided by the Paris office
                                                                                        Moatti-Riviére emerged as
                                                                                        the winner of an architec-
                                                                                        ture competition.
                                                                                        The Gustave Eiffel Pavil-
                                                                                        ion and the Ferrié Pavilion
                                                                                        complete with a museum
                                                                                        as well as an information
                                                                                        and service area were each
                                                                                        reconstructed between two
                                                                                        pillars. In the case of the
                                                                                        already existing 58 Tour
                                                                                        Eiffel restaurant the glass
                                                                                        facade was brought in line
                                                                                        with those present in the
                                                                                        other two pavilions. Glass
                                                                                        surfaces facing inside and
                                                                                        outside, a 130 square me-
                                                                                        tre glass floor, which opens
                                                                                        up a view of the Champ-de-
                                                                                        Mars below and a 2.5 me-
                                                                                        tre high, surrounding glass
                                                                                        balustrade, are not recom-
                                                                                        mended for people who
                                                                                        suffer from severe vertigo,
                                                                                        but delight all other visitors
                                                                                        while offering the greatest
                                                                                        possible transparency in
                                                                                        all directions. The double-
                                                                                        kinked glass facades of the
                                                                                        pavilions follow the angle
                                                                                        of inclination of the pillars
                                                                                        of 17 degrees.
                                                                                        Naturally, a glass facade
                                                                                        that is eight metres high
                                                                                        and more than 20 metres
                                                                                            wide, concave and
                                                                                            convex, cannot be
                                                                        First floor of the Eiffel Tower.   manufactured in one
                                                                          Glass facades with double
                                                                       bends were realised with simple,   piece. For the model-
                                                                        cylindrically bent, rectangular   ling of the individual
                                                                                 glass elements.   panels, the free-form
                                                                                            surface had to be
                                                                                            dissected into indi-




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