公弦;
In which one of them was common reinforced concrete structure, and the other used prestressed steel reinforced concrete ( PSRC) in bottom chord of the transfer structure.
其中一榀模型为普通钢筋混凝土结构,另一榀模型在底部转换梁施加了预应力,并在底部转换梁及部分杆件采用了钢骨混凝土。
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