建筑结构

2020, v.50(S1) 799-803

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区域约束混凝土梁抗弯性能的计算与评述
Calculation and comment of flexural behavior of regional confined concrete beams

蒋济同;刘高明;杜德润;
JIANG Jitong;LIU Gaoming;DU Derun;College of Engineering, Ocean University of China;

摘要(Abstract):

区域约束混凝土作为一种比较新颖的概念,目前为止在混凝土梁上的运用较少。本文通过总结现有的区域约束混凝土梁的抗弯试验研究论文,运用规范对试验梁的承载力和延性进行理论计算并与试验值以及对照梁进行对比,总结出区域约束能切实提高梁的承载力和延性,但现有的试验中混凝土梁均存在受拉筋配筋不足的情况,并对以后区域约束混凝土梁的抗弯研究提出建议。
As a relatively new concept, regional confined concrete has been seldom used in concrete beams. This paper summarizes existing papers on the flexural behavior of regional confined concrete beams, uses the code to theoretically calculate the bearing capacity and ductility of the test beams and compare it with the test value and the control beam. It comes to a conclusion that the region confined can effectively improve the bearing capacity and ductility of the beams. But in the existing tests, the concrete beams are short of tensile bars. According to these, this paper provides suggestions for future research on the flexural behavior of provincial confined concrete beams.

关键词(KeyWords): 区域约束混凝土梁;抗弯性能;抗弯承载力;延性
regional confined concrete beam;flexural behavior;Bending capacity;ductility

Abstract:

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作者(Author): 蒋济同;刘高明;杜德润;
JIANG Jitong;LIU Gaoming;DU Derun;College of Engineering, Ocean University of China;

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DOI: 10.19701/j.jzjg.2020.s1.155

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