建筑结构

2019, v.49;No.507(15) 110-116

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任意形状钢筋混凝土构件截面延性系数计算
Calculation of section ductility coefficient of reinforced concrete members with arbitrary shape

孙克俭;
Sun Kejian;Inner Mongolia Power Exploration & Design Institute;Inner Mongolia Construction Engineering Drawing Reviewing Center;Inner Mongolia Branch of New Cosco Engineering Design Co.,Ltd.;

摘要(Abstract):

从钢筋混凝土正截面承载能力计算时的平截面假定,不考虑混凝土的抗拉强度,钢筋应力-应变关系为理想弹塑性模型的基本假定出发,建立了任意形状截面各种应力图形的函数表达式。利用数学和力学方法,推导出计算钢筋混凝土任意形状截面构件截面延性系数的数学表达式,并给出了钢筋混凝土任意形状截面构件在外力作用下截面应力图形形状的判别式。
Based on the assumption that the reinforced concrete cross-section is plane when calculated without considering concrete tensile strength and the assumption that reinforcement stress-strain relationship is ideal elastic-plastic deformation,A function expression of stress pattern in any shape section that has a symmetry axis was built. By using mathematical and mechanics method,a mathematical expression of reinforced concrete member section elongation coefficient in any shape section that has a symmetry axis was deduced,and a discriminant of reinforced concrete section stress graphics shape under action of outside forces in any shape section that has a symmetry axis was expressed.

关键词(KeyWords): 钢筋混凝土;任意形状截面;延性系数
reinforced conncerete;arbitraty shape section;ductile coefficient

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作者(Author): 孙克俭;
Sun Kejian;Inner Mongolia Power Exploration & Design Institute;Inner Mongolia Construction Engineering Drawing Reviewing Center;Inner Mongolia Branch of New Cosco Engineering Design Co.,Ltd.;

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