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1栓钉在桥梁中的作用鹤洞大桥采用钢—砼叠合梁结构，为双塔空间索复合斜拉桥，是目前世界上最先进的桥型之一。这种结构具有自重轻、施工简便、跨越能力大和节省材料等优点。钢与砼叠合梁，即是钢梁格体系与钢筋混凝土桥面板叠合成一体的结构，面焊在钢梁上的栓钉，则是使钢梁
The role of a peg in the bridge Hedong Bridge using steel-concrete composite beam structure for the twin towers of space cable composite cable-stayed bridge is the world’s most advanced bridge. This structure has the advantages of light weight, easy construction, large capacity and material saving. Steel and concrete laminated beams, that is, the steel beam grid system and reinforced concrete bridge deck stacked into one structure, surface welding studs on steel beams, it is to make steel beams