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北京西苑饭店工程在第23层屋顶凸起一个八角鼓形塔楼,由23层屋顶(标高71.2米)到塔楼顶(标高93.06米)总高度为21.86米。塔楼中心是一个不等边的八角形钢筋混凝士筒体,屋顶的结构部分是支承在钢筋混凝土筒体上的10根2米高的辐射钢梁,塔楼
The Beijing Xiyuan Hotel project raises an octagonal drum tower on the 23rd floor roof, with a total height of 21.86 meters from the 23-storey roof (71.2 meters above sea level) to the top of the tower (93.06 meters above sea level). The center of the tower is an equilateral octagonal reinforced concrete tube. The structure of the roof is 10 two-meter-high radiant steel beams supported on a reinforced concrete cylinder.