| 二次预应力装配整体式夹层板的长期变形计算研究 |
| |
| 引用本文： | 曹宝平,徐金声.二次预应力装配整体式夹层板的长期变形计算研究[J].工业建筑,2005,35(Z1):102-104. |
| |
| 作者姓名： | 曹宝平 徐金声 |
| |
| 作者单位： | 1. 中冶京诚工程技术有限公司,北京,100053
2. 中国建筑科学研究院结构所,北京,100013 |
| |
| 摘 要： | 夹层板也称“复合预应力混凝土倒扁梁楼板”,它具有自重轻、隔音、保温的性能。以夹层板为底板形成叠合结构可省去支模,适于工厂化生产,且造价也比压型板组合楼板便宜;受力上,它具有两阶段受力的特点,可用空间网格梁模型计算弹性内力和变形,长期变形可采用经验公式计算。
|
| 关 键 词： | 夹层板 叠合板 长期变形 徐变 收缩 |
| 修稿时间： | 2005年3月15日 |
CALCULATION STUDY ON LONG-TERM DEFORMATION OF SECOND-PRESTRESSING CONCRETE SANDWICH |
| |
| Cao Baoping,Xu Jingsheng.CALCULATION STUDY ON LONG-TERM DEFORMATION OF SECOND-PRESTRESSING CONCRETE SANDWICH[J].Industrial Construction,2005,35(Z1):102-104. |
| |
| Authors: | Cao Baoping Xu Jingsheng |
| |
| Affiliation: | Cao Baoping(Capital Engineering & Research Incorporation Limited Beijing 100053)Xu Jingsheng(Structure Institute of China Academy of Building Research Beijing 100013) |
| |
| Abstract: | Sandwich is also named“Inverse Beam Slab Floor of Compound Prestressed Concrete Frame Structure”,it features lightweight,sound insulation and heat preservation.Sandwich is made without formwork,which is suitable for manufacturing in factory,this plate has a feature of bearing load;at two slages;3 D grid beam model is used to calculate internal force long time deformation can be calculated by empiric formula. |
| |
| Keywords: | sandwich prefabricated concrete structure long-term deformation creep shrink-age |
| 本文献已被 CNKI 万方数据 等数据库收录！ |
|
