论文部分内容阅读
钱塘江大桥的设计寿命是50年,后来维修过几次,却一直使用到现在,已经超期服役20多年,被人们亲切地称为“桥坚强”。钱塘江大桥观潮很有名,特别是中秋节前后,江水下流,潮水上涌,场面壮观。但也正因为潮水的原因,使得钱塘江水文条件极其复杂。当地民间原来有一句谚语,“钱塘江上架桥——办不到”。然而,钱塘江上的桥还是建了起来。1937年11月17日,第一座由中国人自己修建的桥——钱塘江大桥正式开通,大批军火物资运往抗战前线。但是89天之后,它
The design life of the Qiantang River Bridge is 50 years, then repaired several times, but has been using until now, has been extended service for more than 20 years, people are affectionately known as the “strong bridge.” Qiantang River Bridge tide is famous, especially before and after the Mid-Autumn Festival, the river, tide surging, the scene spectacular. But precisely because of the tide, it makes the Qiantang River hydrological conditions extremely complicated. Local folk had a proverb, “Qiantang River overpass - can not do ”. However, the Qiantang River bridge was built up. November 17, 1937, the first bridge built by the Chinese themselves - Qiantang River Bridge was officially opened, a large number of arms supplies shipped to the front line of the war. But after 89 days, it