浙东南沿海古代多功能石拱廊桥的研究

瑞安市东安硐桥为康熙年间建造的单跨石拱廊桥，桥长19．21m，宽21．58m，拱圈由花岗岩条石纵联分节并列砌筑。由于硐桥桥面宽度大、具有2层拱圈和河底倒拱，以及以桥梁作为基础在水上建造亭台、庙宇等特点，是其有别于我国其他桥梁的独特之处。通过对该桥进行调查和剖析，了解硐桥的构造特点，为深入研究中国古桥及其发展提供参考。

Research of Multi Function Stone-arched Lounge Bridge in Ancient Times along the Coast in the Southeast of Zhejiang

Dong-an bridge in Ruian city is a single-span stone-arched lounge bridge built for the reign of Emperor Kangxi, with its length of 19.21m, and width of 21.58m. The arch ring is laid of granite stone with longitudinal section parallel. Because the bridge deck is wide, it has two arch rings and bottom inverted arch and water pavilion, temple built on it which is different from other bridges. Through investigation and analysis of the bridge, we understand the structural characteristics of the bridge to provide reference for further research and development of the old bridge in China.