Large span double box-beam rod structure is born out of BSS. 大跨度双箱梁钢棒拉杆组合钢结构即脱胎于张弦梁结构。
This paper approaches the excavating dynamic behavlour and support design for a large cavern in Nanfen Iron Mine using finite element method. 针对南芬铁矿地下硐室开挖与支护设计，采用有限元分析研究大跨度地下硐室施工的动态力学效应。
