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  聶建國¹   魏   捷²   陳  戈¹
  （1 清華大學土木工程系  北京100084；  2 深圳市電子院設計有限公司  518031）

[提要]  近年來鋼-混凝土組合梁以其施工速度快、材料性能應用充分等特點在我國工程建設中得到了廣泛的應用?？缍葹?5 m的T形鋼-混凝土疊合板組合梁在清華科技園連體工程中得到了應用。與鋼骨混凝土梁方案進行了比較，鋼-混凝土疊合板組合梁比鋼骨混凝土梁方案更加優(yōu)越，非常適用于大跨橫向承重結構。
[關鍵詞]  連體結構  大跨結構  T形鋼-混凝土組合梁

Steel-concrete composite beams have been widely used in building and bridge engineering inChina. One practical example is introduced about the T type steel-concrete composite beams used as the long-span beams of 35m in Tsinghua Science and Technology Building in Zhuhai. The comparison is made between the current T type steel-concrete composite beams and the original SRC beams. The results show that steel-concrete composite beams have a great advantage over SRC beams in long-span flexural elements.
Keywords:  engineering example; long-span beam;T type steel-concrete composite beam