| 经验公式简便求法典型实例 |
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| 引用本文： | 毛宁,张尧亮.经验公式简便求法典型实例[J].岩土力学,2010,31(9):2978-2982. |
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| 作者姓名： | 毛宁 张尧亮 |
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| 作者单位： | 1. 南京水利科学研究院，南京 210024；2. 江苏天地钢结构工程集团有限公司，江苏 徐州 221004 |
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| 摘 要： | 介绍了试验研究资料绘在有关函数的坐标纸上仍然不是直线关系的找经验公式简便方法。作为实例，选择了水力学和土力学中常用的关系曲线，分别是点绘在双对数、半对数和普通方格纸上的。借该3例典型曲线叙述了求经验公式的简便方法过程，并求得相应曲线的球体潜水运动阻力系数公式、泥沙沉降速度公式、软土地基沉降固结度公式和给水度公式。
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| 关 键 词： | 经验公式 关系曲线 阻力系数 固结度 给水度 |
| 收稿时间： | 2009-01-12 |
Typical examples of simple methods to find empirical formulas |
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| MAO Ning,ZHANG Yao-liang.Typical examples of simple methods to find empirical formulas[J].Rock and Soil Mechanics,2010,31(9):2978-2982. |
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| Authors: | MAO Ning ZHANG Yao-liang |
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| Institution: | 1.Nanjing Hydraulic Research Institute, Nanjing 210024, China; 2. Jiangsu Tiandi Steel Structure Co. Ltd, Xuzhou, Jiangsu 221004, China |
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| Abstract: | The simple method to find empirical formula of the experimental and researched data which plotted on the coordinate paper of related function is not a straight line is described. As examples the relation curves plotted on log-paper semi-log paper and ordinary coordinate paper in hydraulics and soil mechanics are selected. With these typical curves the procedure of simple method to find empirical formula is expounded. Consequently the formulas of drag coefficient for immersed sphere body moving through water, settling velocity for silt and sand, settlement consolidation degree for soft foundation and specific yield are obtained. |
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| Keywords: | empirical formula relativity curve drag coefficient degree of consolidation specific yield |
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