In view of the defects of increase coefficient of bias distance \%\% formula (GBJ10-89)in practice,considering the result of the limitstate alternative method resulted from the effect of the second coracte moments,by regression analysis and after much calculalion,the regression count expression formula of increase coefficient of bias distance is established.
针对现行混凝土结构设计规范ＧＢＪ１０－８９中，偏心距增大系数η计算公式在应用中存在的缺陷，在考虑二阶弯矩影响的有限元迭代法计算成果的基础上，通过大量计算，并运用回归分析，建立了钢筋混凝土受压构件η的计算表达式。
To be in light of the fault of increase coefficient of bias distance η formula in current lightweight aggregate concrete standard in practice,considering the influence of two stepped moments by using the entire proceeding analyses theory,we reached the η of corresponding side and side deflection f and curvature φ of circular cross section biasing structure whose column ends are different.
针对轻骨料混凝土设计规范中偏心距增大系数η计算公式在应用方面有待于完善的问题,采用全过程理论分析并考虑二阶弯矩的影响,得出了在不同端弯矩下圆形截面偏压构件控制截面处截面曲率φ、侧向挠度f与相应的η值。
Taking into consideration the fact that all loads will not be woved in building construction when a structure is strengthened, we studied by the method of computer-test, how to calculate eccentricity amplifier of the slender concrete column strengthened non symmetrically with concrete to enlarge section subjected to axial load and bending moment.
采用计算机模拟试验方法，对非对称加大截面加固钢筋混凝土偏心受压中长柱的偏心距增大系数的计算问题进行了研究。
Based on artificial neural network,this paper presents a new method of estimating the eccentricity magnification factor η of reinforced concrete columns.
提出了基于神经网络的偏心受压构件偏心距增大系数η的计算方法，突破了传统的由实验数据拟合半理论半经验公式的思想，提供了一种全新的思路。
Improvement of moment amplification factor method considering second-order effect in lateral sway frame;
考虑有侧移框架结构二阶效应的偏心距增大系数法的改进
This paper defines such concepts as eccentricity coefficient, gravity center distance coefficient, pose probability.
定义了偏心距系数、重心距系数以及姿态概率等概念,为物料定向设计和提高上料效率提供了理论基础;通过试验得到了姿态概率计算公式,揭示了物料几何参数对姿态概率的影响规律。