Harbin sifangtai bridge is a cable-stayed bridge whose girder is composed by steel i-beam above and concrete deck slab below.
作为叠合梁斜拉桥，四方台大桥的主梁由下部的工字钢和上部的混凝土行车道板组合而成。
In order to let the slabs help the top chords of the steel trusses resist the giant compressive forces, slab truss composite structures are used throughout the main bridge.
为了使上层公路桥面板能帮助主桁上弦杆抵抗巨大的纵向压力，正桥全部采用混凝土桥面板与钢桁梁共同作用的板桁结合梁。
Taking the construction of in-water base slab of Guixi Bridge as an example, the article introduces in more detail the design of the steel sleeve box and the technique of water-avoiding construction.
该文以贵溪大桥水中承台施工为例，较详细地介绍了钢套箱的设计及避水施工技术。
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