...
  • 主题
高级搜索  >
历史搜索 清空历史
首页> 外文期刊>Magazine of Concrete Research >Anchorage slip effect in RC structures
【24h】

Anchorage slip effect in RC structures

机译：钢筋混凝土结构的锚固滑移效应

获取原文
获取原文并翻译 | 示例
           
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

A numerical model that can simulate the cracking behaviour of a reinforced concrete (RC) structure subjected to monotonic loading is introduced. A criterion to take into account the biaxial behaviour of concrete is designed on the basis of Kupfer's experimental results, and the equivalent uniaxial stress-strain relationship with a tension-stiffening effect is used for an effective simulation of the inelastic behaviour induced from the cracking of concrete. Moreover, an improved numerical model to implement the bond-slip effect in RC structures, in which the consideration of the bond-slip effect is virtually impossible in the numerical analysis as the reinforcing steels are uniformly distributed through the entire domain, is developed in this paper. Instead of using the bond-link elements that connect the concrete and steel nodes with the spring elements, a relationship between the steel stress and the end-slip obtained from an idealised pull-out specimen is implemented at the end face of RC structures. The use of these boundary spring elements makes it possible to simulate precisely the cracking behaviour of the RC structures affected most by the bond-slip. Finally, correlation studies between the numerical results and the experimental results are conducted in order to verify the soundness of the introduced boundary spring element model.
机译：介绍了一种可以模拟钢筋混凝土结构在单调荷载作用下的开裂行为的数值模型。基于库珀的实验结果，设计了考虑混凝土双轴性能的判据，并使用等效的单轴应力-应变关系和拉力-加劲作用来有效模拟由混凝土开裂引起的非弹性行为。具体。此外，在此开发了一种改进的数值模型，用于在RC结构中实现粘结滑移效应，其中，由于增强钢在整个区域内均匀分布，因此在数值分析中实际上不可能考虑粘结滑移效应。纸。代替使用将混凝土节点和钢节点与弹簧元件连接的连接元件，在RC结构的端面上实现了钢应力与从理想的拉拔试件获得的端滑之间的关系。这些边界弹簧元件的使用使得可以精确模拟受粘结滑移影响最大的RC结构的开裂行为。最后，对数值结果与实验结果进行相关性研究，以验证所引入边界弹性单元模型的合理性。

著录项

  • 来源
    《Magazine of Concrete Research》 |2009年第5期|331-343|共13页
  • 作者

    H.-G. Kwak; C.-K. Na;

  • 作者单位

    Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea;

    Department of Civil and Environmental Engineering, Korea Advanced Institute of Science and Technology, Daejeon, South Korea;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号