Other developments were the pointed arch and vault, and the flying buttress, which allowed construction of more elegant, higher, and apparently lighter structures.
其他新发明主要是尖券和尖拱，以及飞券，他们使得建筑物更加美观，高大，而且结构明显更加轻巧。
2
According to the special structure of precast block of inverted arch for TBM construction tunnel, the dynamic construction state is modeled by FEM with surrounding rock - structure calculating model.
针对TBM施工隧道仰拱预制块的特殊结构，采用围岩-结构模式，进行了模拟施工动态的受力影响计算分析。
3
Arch dam construction in China has developed and the quantity stands first.