| 摘要: |
| 对传统的渠道土方计算使用的平均断面法进行了详细分析。针对该方法的本质缺陷,提出了运用二次B-样条函数拟合渠道填方或挖方断面面积函数,再结合样条积分公式来计算土方量的渠道土方计算方法,并通过实例对该算法的实用性及优越性进行了说明。 |
| 关键词: 渠道土方计算 平均断面法 二次B-样条函数 |
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| Essential deficiency and improvement of the average cross- section method calculating the cannel earthwork volume |
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| Abstract: |
| Traditional average cross-section method for channel earthwork calculation was analyzed in detail.In light of its essential deficiency,a new method,which applies dual basic spline function to fit the sectional area function of fill & excavation in channel,and then combining with the spline integration formula to calculate earthwork volume of the channel,was brought about.The practicality and superiority of the method was also proved through an example in the paper. |
| Key words: calculation of earthwork in channel average cross-section method dual basic-spline function |
