It is overhanging curved reinforced concrete truss beam l ig ht scissor structure that a semi-arc decorative tower hat overhung from the su rrounding of the core wall of Beijing Zhongyu Mansion.

 
  • 北京中宇大厦沿核心筒墙体外围周圈悬挑出一个半圆弧形装饰塔帽,为悬挑式弧形钢筋混凝土桁架梁板式轻剪结构,结构形式复杂,施工难度大。
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