（中铁第四勘察设计院集团有限公司，武汉 430063）
［摘要］结合武昌火车站站房大跨组合楼盖结构设计，介绍了大跨井字形钢混凝土组合梁系楼盖的主要设计思路，并介绍了大跨度楼盖舒适度的计算方法和复杂节点的构造措施。通过跨高比、用钢量等技术经济指标说明大跨度井字形钢-混凝土组合楼盖具有显著的技术经济效应。工程实践表明，这种大跨度组合楼盖应用前景广阔。
［关键词］武昌火车站；大跨井字形钢-混凝土组合梁系楼盖；技术经济指标；舒适度
中图分类号：TU398文献标识码：A文章编号：1002-848X(2012)03-0033-04
Design of a large-span steel-concrete composite beam floor system for Wuchang Railway Station
Du Jing(China Railway Siyuan Survey and Design Group Co., Ltd., Wuhan 430063，China)
Abstract:The design concept, calculation method of comfort degree and constructional details of a large-span crosswise steel-concrete composite beam floor system were introduced through the case design of Wuchang Railway Station. The depth to span ratio of the beam and the steel weight per unit floor area indicate that the large-span crosswise steel-concrete composite beam floor system is quite technical and economical. This engineering application shows that the composite beam floor system has a promising future.
Keywords:Wuchang Railway Station; large-span crosswise steel-concrete composite beam floor system; technical and economical index; comfort degree
作者简介：杜晶，硕士，工程师，Email: zhangshen202@163.com。
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