progressive stage construction是什么意思

用法例句

Settlement prediction of embankments with stage construction on soft ground;

软土地基上分期施工的路堤沉降预测方法(英文)

Nonlinear analysis on penstock laid on downstream surface of dams with considering softening of concrete and stage construction;

考虑混凝土软化和分期施工的坝后背管非线性分析

The 3D non-linear FEM was applied to prediction of the deformation and stress of a CFRD under complicated topographic condition with emphasis on analysis of the influences of high steep slope and fluctuant topographic boundary on the deformation and stress behaviors of CFRD by stage construction.

运用三维非线性有限元法对某复杂地形条件下高面板堆石坝的应力变形进行预测,重点分析了高陡岸坡和起伏突变的地形边界对分期施工的高面板坝应力变形特性的影响。