| 钢筋混凝土小偏心受压构件正截面强度计算的分区降阶逼近法 |
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| 引用本文： | 赵国藩,张忠刚,刘亚平.钢筋混凝土小偏心受压构件正截面强度计算的分区降阶逼近法[J].大连理工大学学报,1987(4). |
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| 作者姓名： | 赵国藩 张忠刚 刘亚平 |
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| 作者单位： | 大连工学院土木工程系
(赵国藩，张忠刚)，大连工学院土木工程系(刘亚平) |
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| 摘 要： | 本文分析了钢筋混凝土偏心受压构件的各种计算情况．推导了小偏心受压构件 求解中和轴相对高度的三次方程式。本文提出用分区降阶逼近法将的三次方程式 降阶成一次方程式来求解．从而简化了小偏心受压构件的配筋计算。
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| 关 键 词： | 钢筋混凝土 偏心受压构件 逼近法/中和轴相对高度 强度计算 |
An Approximation Method by Reducing Power in Separated Regions for Strength Calculation in Eccen-trically Loaded Reinforced Concrete Members |
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| Zhao Guofan,Zhang Zhonggang,Liu Yaping.An Approximation Method by Reducing Power in Separated Regions for Strength Calculation in Eccen-trically Loaded Reinforced Concrete Members[J].Journal of Dalian University of Technology,1987(4). |
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| Authors: | Zhao Guofan Zhang Zhonggang Liu Yaping |
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| Institution: | Department of Civil Engineering. DIT |
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| Abstract: | The calculations of eccentrically loaded members in various conditions are systematically discussed and a cubic equation of the relative neutral axis depth is derived for the members subjected to compressive force with small eccen- tricity. It is rather complicated to directly solve the cubic equation. An appro- ximation method by reducing the power of the cubic equation in separated regions is proposed in this paper for establishment of a first order equation to solve , thus simplifying the reinforcement calculation for these members. |
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| Keywords: | reinforced concrete approximation method eccentrically load- ed members neutral axis depth strength calculation |
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