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摘要
This paper describes the "Variation Guggenheim 3: Mirador de la Palmera" project in Daya Vieja (Alicante, Spain). This structure was inspired by the Guggenheim Museum in New York and was designed to protect a landmark palm tree from wind loads. This six-trunk palm tree was declared a monument by the Valencian government in 2012. The structure that now protects it appears to fly around the palm tree creating a helicoidal skywalk made of steel, while retrofitting the lateral trunks of the tree to protect them from collapse. An 18 m long straight beam starts on the top of this helix, and stretches towards a lookout point that offers a view of the whole village and its surroundings. The reduction of the visual impact of the structure on the tree was a major aim for the project design. The structural elements are as slender as possible to avoid visual obstruction of the tree. They are painted white, while the walkway steel corrugated plate is painted green in order to highlight its neat shape among the blur created by the apparent mess of bars of the supporting structure. The two main pillars of this pedestrian bridge were designed in steel and geometrically resemble trees. A ground penetrating radar analysis was performed to detect the palm root location and to decide the best foundation system. Slender cast-in situ steel-concrete micropiles along with a concrete pile-cap, raised some centimetres above the ground level, were used to reduce the damage to the roots. The projected pile-cap is a slender, continuous, circular ring whose geometry resembles that of a concrete bench. This structure was a finalist for the Architecture Awards for the best construction projects in 2010-2014, presented by the Diputacion de Alicante.
- 出版日期2015-8
