※钢筋的强度与变形
•钢筋的s-e关系stress-strain relation
sa-比例极限fp proportional limit
sb-屈服强度fy loweryield ,是钢筋强度的设计依据
sd-极限抗拉强度fu ultimate tensile strength
无明显屈服点的钢筋s-e图
s0.2-条件屈服强度(equivalent yield strength)残余应变为0.2%所对应的应力《规范》取s0.2 =0.85 fu
原应力-应变图
※钢筋的强度与变形
•钢筋的s-e关系stress-strain relation
sa-比例极限fp proportional limit
sb-屈服强度fy loweryield ,是钢筋强度的设计依据
sd-极限抗拉强度fu ultimate tensile strength
无明显屈服点的钢筋s-e图
s0.2-条件屈服强度(equivalent yield strength)残余应变为0.2%所对应的应力《规范》取s0.2 =0.85 fu
原应力-应变图
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