缓粘结预应力技术在北京市新少年宫工程中的应用

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基金项目:

财政部资助项目

APPLICATION OF RETARD-BONDED PRESTRESSED TECHNIQUE IN BEIJING CHILDREN'S NEW PALACE

1.
1. Beijing Institute of Architecture Design Beijing 100045;
2.
2. China Jingye Engineering Co.,Ltd.Beijing 100088;
3.
3. Central Research Institute of Building and Construction,MCC Group Beijing 100088

摘要: 介绍了北京市新少年宫1号楼异形板柱剪力墙结构中缓粘结预应力筋设计方法;按照空心板的主受力方向并考虑施工方便,确定出空心管的布置方向以及普通筋和预应力筋布置方向;用密肋梁模拟了空心板的受力,并用密肋梁的内力计算结果确定了顺肋方向的配筋;根据结构抗震性特点,在抗震敏感区域采用缓粘结预应力技术来提高结构的抗震性能。
- 缓粘结 /
- 预应力混凝土 /
- 空心板 /
- 异形板
Abstract: The design method of retard-bonded prestressing bar is introduced in No.1 building of Beijing Children's New Palace,which is an irregular slab-column and shear wall structure.The direction of cored pipe as well as reinforcing and prestressing bars are decided based on the primary internal force direction of solid shell and a convenient construction is also taken into account.The internal force of cored slab is simulated with multi-ribbed plate,and the reinforcement along rib is calculated based on the results of multi-ribbed plate.The retard-bonded prestressing technique is applied to the earthquake sensitive area to improve the earthquake resistance ability of the structure
- retard-bonded /
- prestressed concrete /
- cored slab /
- irregular slab