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一、前言在被称为我国跨世纪桥梁工程的虎门大桥工程中,最引人注目的就是目前国内首座大型悬索桥。它的跨度为888m,通航净空高度60m;主塔为门式钢筋混凝土薄壁箱型结
I. Preface In the project of Humen Bridge, which is called as the cross-century bridge project in our country, the most remarkable one is the first large-scale suspension bridge in China at present. It has a span of 888m and a navigable headroom of 60m. The main tower is a portal-type reinforced concrete thin-walled box knot