山区空心薄壁高墩的非线性稳定分析

Non-linear Stability Analysis of Thin-walled Tall Hollow Pier in Mountain Areas

空心薄壁高墩具有明显的优越性和较好的经济性,可以较少的材料获取较大的截面抵抗矩,既能充分发挥材料的力学性能,又能较经济地满足刚度要求,结构整体性好。因此,在山区,特别是对抗震设防有较高要求的山区,空心薄壁高墩往往被大量地采用。

The thin-walled tall hollow pier has many advantages, such as having good economic and structure performance, which also can use little material to obtain big section resistance. So, it not only can fully play material＇s mechanics performance, but also can meet rigidity request economically. For the reason, the thin-walled tall hollow pier are used more and more in mountain areas, especially in the high request of keeping from earthquake mountain areas.