建筑结构

2010, v.40;No.318(06) 51-52+80

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矩形钢管混凝土梁受弯性能试验研究
Study on mechanical properties of concrete-filled rectangular steel tube beams

李斌;闻洋;
Li Bin,Wen Yang(Inner Mongolia University of Science and Technology,Baotou 014010,China)

摘要(Abstract):

通过8根矩形钢管混凝土梁的试验,研究分析了矩形钢管混凝土梁的受力特点和承载能力,结果表明:矩形钢管混凝土梁具有优良的变形能力、较高的承载力和稳定的后期承载力与变形性能,钢与混凝土得到了充分利用。将矩形钢管混凝土梁的受力性能与钢筋混凝土梁和钢梁的受力性能进行了对比分析,矩形钢管混凝土梁在承载力、变形能力、经济效益等方面较之其他梁有一定的优势。
Through the experiment of eight concrete-filled rectangular steel tube beams(CFRSTB),the mechanical behavior and loading capacity of CFRSTB have been researched.The results show that they have good deformation capacity,higher loading capability,stable later stage loading capacity and deformation performance,the material property of concrete and steel are fully used.The mechanical behavior of CFRSTB were compared with reinforced concrete beams and steel beams,the results indicate that CFRSTB obviously have the advantage of flexural capacity,ductility and economical value.

关键词(KeyWords): 矩形钢管混凝土;梁;试验研究;承载力;延性
concrete-filled rectangular steel tube;beam;experimental research;bearing capacity;ductility

Abstract:

Keywords:

基金项目(Foundation): 内蒙古自然科学基金(200711020701);; 包头市科技攻关项目(2006Z1004);; 内蒙古教育厅资助(NJ06141)

作者(Author): 李斌;闻洋;
Li Bin,Wen Yang(Inner Mongolia University of Science and Technology,Baotou 014010,China)

Email:

DOI: 10.19701/j.jzjg.2010.06.013

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