仙桃汉江公路大桥抗震设计

The Anti-seismic Design of Xiantao Hanjiang Highway Bridge

湖北仙桃汉江公路大桥主桥为 ( 50 +82 +180 )m的独塔预应力混凝土斜拉桥 ,塔梁固结体系。抗震设防烈度为 7度。由于该桥是跨越汉江的特大型桥梁 ,其抗震性能尤为重要。介绍了本桥从桥址地震安全性评价、地震荷载计算等方面的设计研究工作。

The single tower prestressed concrete cable stayed bridge with a span of (50+82+180) m is adopted in the main bridge of Xiantao Hanjiang highway bridge in Hubei Province. The tower is in rigid connection with the girder. The seismic intensity at the bridge site is 7 degree. The anti seismic performance is specially important as it is an extra large bridge across Hanjiang. The design and research work, including the safety evaluation of the bridge site and the seismic load calculations, etc. are presented.