建筑结构

2018, v.48;No.476(08) 56-59

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配置HRB500级高强非预应力钢筋的部分预应力混凝土受弯构件刚度分析
Stiffness analysis of partially prestressed concrete flexural members equipped with HRB500high-strength reinforcement

熊学玉;王怡庆子;华楠;
Xiong Xueyu;Wang Yiqingzi;Hua Nan;Institute of Prestressed Structures,Tongji University;Key Laboratory of Advanced Civil Engineering Materials (Tongji University) ,Ministry of Education;

摘要(Abstract):

以已有试验数据为基础,分析了配HRB500级钢筋部分预应力混凝土梁在静力荷载作用下的刚度和变形的特点,提出了相应的计算方法。明确了HRB500级钢筋用于预应力混凝土结构中的刚度计算方法。探讨了配HRB500级钢筋部分预应力混凝土梁的延性特点及影响延性的因素。为配高强钢筋的预应力混凝土结构设计和刚度变形计算提供了一定的参考。
Based on the existing experimental data,stiffness and deformation characteristics of partially prestressed concrete beams equipped with HRB500 high-strength reinforcement under static loading were analyzed and corresponding calculation method was put forward. Stiffness calculation method of prestressed concrete structure equipped with HRB500 high-strength reinforcement was clarified. The characteristics and influence factor of ductility of partially prestressed concrete beams equipped with HRB500 high-strength reinforcement were discussed. Some references for the distribution of high strength steel prestressed concrete structure design and stiffness calculation were provided.

关键词(KeyWords): 预应力混凝土结构;高强钢筋;刚度
prestressed concrete structure;high strength steel bar;stiffness

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基金项目(Foundation): 国家自然科学基金资助项目(51178328,51578400);; 住房城乡建设部研究开发项目(2016-K5-020);; 上海市科学技术委员会科研计划项目(16DZ1201600,13231200903);; 上海市住房和城乡建设管理委员会科研项目(2016-001-003)

作者(Author): 熊学玉;王怡庆子;华楠;
Xiong Xueyu;Wang Yiqingzi;Hua Nan;Institute of Prestressed Structures,Tongji University;Key Laboratory of Advanced Civil Engineering Materials (Tongji University) ,Ministry of Education;

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