中国土木工程学报 关键词： 钢纤维； 高强混凝土梁； 疲劳荷载； 裂缝宽度 [gap=1191]Keywords: steel fiber； high-strength concrete beam； fatigue load； crack width
基于6个网页-相关网页
reinforced high strength concrete beam 钢筋高强混凝土梁
prestressed high-strength concrete beam 预应力高强混凝土梁
prestressed high strength concrete beam 预应力高强混凝土梁
According to the calculation theory of normal section bending bearing capacity, the calculation formula of cracking moment of high-strength concrete beam was derived by the concrete mechanic method.
根据正截面受弯承载力计算理论，运用混凝土力学分析方法，导出高强混凝土梁的开裂弯矩计算式。
And reinforced high-strength lightweight concrete beam is less ductile as compared with the normal-weight concrete beam of the same concrete strength.
纯弯段无腹筋的高强轻集料钢筋混凝土梁在破坏时表现出较强的脆性，延性要比同一强度等级普通混凝土梁略差。
In this paper, the genetic algorithm-neural network model is used to predict the ductility of unbonded partially prestressed concrete beam with high strength.
尝试利用遗传-神经网络模型，对无粘结部分预应力高强混凝土梁的延性进行预报。
应用推荐