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上海申鑫大厦是一座28层的高层综合性商住楼.本文介绍该大厦无粘结预应力砼楼盖的结构方案,平衡荷载取值,预应力筋的布置特点,施工张拉中考虑的问题及构造设计等.该工程实践表明,采用无粘结预应力技术增加了建筑物使用面积和投资效率,施工速度快,具有显著的社会经济效益.
Shanghai Shenxin Building is a 28-storey high-rise integrated commercial and residential building. This article describes the structural scheme of the unbonded prestressed concrete floor cover, the value of balanced loads, the layout characteristics of prestressed tendons, and the considerations of the construction tension. Problems and structural design, etc. The engineering practice shows that the use of unbonded prestressed technology increases the area of use of the building and investment efficiency, construction speed, and has significant social and economic benefits.