| 利用三次样条函数计算土样Cu／Cc |
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| 引用本文： | 曾国洪,彭勇强,曾慧. 利用三次样条函数计算土样Cu／Cc[J]. 土工基础, 2004, 18(4): 26-29 |
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| 作者姓名： | 曾国洪 彭勇强 曾慧 |
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| 作者单位： | 广州市水利科学研究所,广东,广州,510220 |
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| 摘 要： | 针对在土的颗粒大小分析试验中人工计算及绘制颗粒大小分配曲线 ,其过程繁琐、效率低下、容易出错的问题 ,阐述了在计算机上如何利用三次样条函数数学模型绘制颗分曲线 ,并计算出Cu/Cc值的原理和方法。
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| 关 键 词： | 颗粒大小分析 三次样条函数 不均匀系数Cu 曲率系数Cc |
| 文章编号： | 1004-3152(2004)04-0026-04 |
| 修稿时间： | 2004-03-16 |
Ultization of Cubic Spline to Calculation of Soil Sample Cu/Cc |
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| ZENG Guo-hong,PENG Yong-qiang,ZENG Hui. Ultization of Cubic Spline to Calculation of Soil Sample Cu/Cc[J]. Soie Engineering and Foundation, 2004, 18(4): 26-29 |
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| Authors: | ZENG Guo-hong PENG Yong-qiang ZENG Hui |
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| Abstract: | In accordance with the manual calculation and drawing the grainsize curve is troublesome and easy to make mistakes. In this paper, how to use mathematical model of cubic spline in calculator to draw the grain size curve and the principle and method to find outCu/Cc are presented. |
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| Keywords: | grain size analysis cubic spline nonuniform coefficent Cu curve coefficientCc |
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