陈灿明,黄卫兰,王宏,唐崇钊,丁建彤. 大跨径桥梁高强混凝土收缩徐变特性研究[J]. 水利水运工程学报, 2010, (4).
引用本文: 陈灿明,黄卫兰,王宏,唐崇钊,丁建彤. 大跨径桥梁高强混凝土收缩徐变特性研究[J]. 水利水运工程学报, 2010, (4).
CHEN Can-ming,HUANG Wei-lan,WANG Hong,TANG Chong-zhao,DING Jian-tong. Study of high-strength concrete creep and shrinkage for long-span bridges[J]. Hydro-Science and Engineering, 2010, (4).
Citation: CHEN Can-ming,HUANG Wei-lan,WANG Hong,TANG Chong-zhao,DING Jian-tong. Study of high-strength concrete creep and shrinkage for long-span bridges[J]. Hydro-Science and Engineering, 2010, (4).

大跨径桥梁高强混凝土收缩徐变特性研究

Study of high-strength concrete creep and shrinkage for long-span bridges

  • 摘要: 介绍了高强混凝土收缩徐变测试及其成果在大跨径预应力混凝土桥梁建设中的应用.分析论述了减水剂、早强剂和硅粉3类外加剂对收缩徐变的影响,以及收缩徐变与试件等效厚度的关系;构件尺寸和湿度条件仅与干徐变和干缩有关.提出可采用相似曲线平移法进行湿度调整,在缺乏徐变与等效厚度关系资料时可借鉴已有成果作插值推算.

     

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