等效截面惯性矩
Equivalent second axial moment of area
弓梁截面惯性矩
moment of inertia of arch section
最佳截面惯性矩比
optimum moment of inertia ratio
断面惯性矩
section inertia
geometrical moment of inertia
second moment of area
sectional momoent of inertia
自由水面惯性矩
moment of inertia of free water surface
垂直截面面积
Perpendicular cross section area
弹塑性截面分析
inelastic section analysis
弹塑性截面刚度
elastic-plastic section stiffness
非弹性截面
inelastic cross-section
non elastic cross section
nonelastic cross-section
计算截面面积
calculated cross-sectional area
剪力墙截面面积
shear-wall cross-sectional area