椭圆柱面螺旋线杆件(螺旋楼梯)空间刚度、内力及变形计算
吴健生
Computer Analysis for Space Stiffness, Section Forces and Displacements of an Elliptico-Spiral Member
Wu Jiansheng ( Tianjin University )
建筑结构学报 . 1984, (03): 40 -48 .