Study Of Ancient Bridges Of The Song And Yuan Dynasties In Zhejiang Province

Zhejiang province has the reputation of "Traditional Bridge Museum". There are tens of thousands of various traditional bridges, survived for nearly one thousand years. Apart from the rope bridge, the types are all-encompassing, especially including the unique timber-arched corridor bridge. Although most of them are from Ming and Qing dynasties, there are still some genetic structures from the Song and Yuan dynasties. They not only met the needs of production and living at that time, but also had many breakthroughs, based on the succession of the ancient bridge construction techniques. Song and Yuan dynasties are the first peak time for the bridge construction in our country, of which both the quantity and technology are unprecedented.This paper starts from the remains of the bridge and related researches, combined with literatures, giving a systematic summarization on the existing bridge number, styles, construction techniques of the Song and Yuan periods, and discussing the unique folding bridges and wooden arches bridges. The regional characteristics and originality of the bridge construction techniques from Song and Yuan dynasties are mainly investigated. The existing research results are enriched, at the same time, the cultural heritage protection and utilization, such as bridge class, are historical interpreted.