As a result of the different position of prestressing strands, the structure system has multiform space shape, such as barrelvault, hypar and dome.
通过改变预应力索在网架中的位置，可张拉得到不同的曲面形状，如柱面、穹顶和鞍形网壳。
2
In this paper architectural shapes and space characteristic, structural forms of latticed groined barrelvault and its support methods are discussed.
本文讨论了叉筒网壳的建筑造型方法和空间特点、结构布置形式、结构支承方式等方面的内容。
3
Based on this method, the design and construction of barrelvault advanced support in line Fuxingmen to Bawangfen of subway and the heating pipe in Beijing got a perfect result.