陈   瑜¹，郑立煌¹，黄宝清¹，裴茂祥²，马   越²
（1 建研科技股份有限公司，北京100013；  2 中国民航机场建设集团公司，北京100013）

[摘要]  武汉天河机场新航站楼设计中，采用后张有（无）粘结预应力混凝土技术有效解决了主体结构大空间、大跨度、相邻变跨度、大跨度悬挑和超大平面未设温度变形缝等关键技术问题，介绍了其预应力混凝土梁的计算分析和配筋设计，以及无粘结预应力地下室顶板的设计。为国内类似规模建筑的楼面设计提供了成功经验。
[关键词]  有（无）粘结预应力；大跨度悬挑；超大平面；温度变形缝

Prestressed concrete structure design of new navigation building in extension project of Wuhan Tianhe airport
Chen Yu¹, Zheng Lihuang¹, Huang Baoqing¹, Pei Maoxiang², Ma Yue²
(l CABR Technology Co., Ltd., Beijing 100013, China;  2 CCAC Co., Ltd., Beijing 100013, China)

Abstract: During the design of new navigation building in extension project of Wuhan Tianhe airport, adhesive (unbonded) prestress technology is adopted to efficiently solve critical technology difficulties as large space of main structure, long span, adjacent variable spans, superlongspan cantilever and super plane without expansion joints. The calculation analysis of the prestress concrete beam, and the design of the reirforcement and the unbonded prestress basement roof are presented, which affords succestful experience for floor design of domestic similar scale building.
Keywords: adhesive (unbonded) prestress; long-span cantilever; super plane; expansion joints