大柱网框架无粘结预应力楼盖设计及施工

On design for unbonded prestressed floor system of large column grid framework and its construction

详细分析了某蔬菜副食品批发市场二期工程大柱网、井字梁无粘结预应力楼盖施工技术和质量控制要点,对预应力设计施工中遇到的常见问题提出了合理的处理方法,以保证预应力施工取得良好效果。

The paper mainly analyzes the large column grid of the second period construction,the construction technique of the grillage-shaped beam unbonded prestressed floor system and the quality controlling points of some vegetable and subsidiary food wholesale market,and points out some reasonable treatment methods for common problems in the construction of the prestressed design,so as to ensure the better effect of the prestressed construction.