中文摘要：

进行了600 m跨径的高强混凝土（HSC）拱桥和活性粉末混凝土（RPC）拱桥的试设计,利用MIDAS软件建立空间有限元模型进行内力计算,依据公路圬工桥涵设计规范（JTG D61—2005）对RPC拱桥进行强度与稳定的验算。从拱圈截面刚度、内力与稳定和工程数量等方面,对这两种拱桥的受力性能和施工性能进行比较,分析RPC在超大跨径混凝土拱桥上应用的可行性,为我国拱桥向超大跨径发展提供参考。

英文摘要：

Two trial designs of High Strength Concrete（ HSC） arch bridge and Reactive Powder Concrete（ RPC） arch bridge with 600 m span were carried out. Internal force was calculated in the finite element model,which was established by MIDAS software. The strength and stability of RPC arch was checked in accordance with Code for Design of Highway Masonry Bridges and Culverts（ JTG D61- 2005）. The mechanical property and workability of these two kinds of bridges was compared in terms of arch section stiffness,internal force and stability and quantities of bridges,etc. The feasibility of the RPC＇s application on super long span arch bridge was analyzed. It will provide information for the further development of China＇s super long span arch bridge.