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广东省清远北江大桥全长1058m,宽度为净-12.5+2×1.5,是目前我国最长的刚架拱桥。荷载标准为汽-20、挂-100,人群350kg/m~2。下部构造有3个沉井作为单向墩,其他均为双排灌注桩墩台。该桥竣工后进行了荷载试验,已于1985年10月通车。其施工和设计被广东省评为全优样板工程和优秀设计。我们参加了清远北江大桥的一部分设计工作,现将工作中较有特色的部分简介如下。
Qingyuan Beijiang Bridge in Guangdong Province, a total length of 1058m, a net width of -12.5 +2 × 1.5, is currently China’s longest rigid frame arch bridge. Load standard for the steam -20, hanging -100, the crowd 350kg / m ~ 2. The lower structure has three caisson as a one-way pier, the other are double-row pouring pile pier. The bridge was completed after the load test, opened to traffic in October 1985. The construction and design of Guangdong Province as the best model projects and excellent design. We participated in a part of the Qingyuan Beijiang River Bridge design work, now the work of some of the more distinctive profile is as follows.