针对目前圆形断面均匀流水深计算公式存在计算误差大、适用范围小的弊端，欲提出一种新的近似计算公式。
For present shortcoming of water depth of uniform flow in circular section, which is great calculating error and small application scope, this paper desired to get a new approximate formula.
以一个简化的基础平面为例，导出计算误差较小的建议公式，以改进墙下条形基础宽度的计算方法。
Taking a simplified foundation plane ast he example, this paper derives a recommended formula with less calculation errors, improving the method for calculating the width of strip foundation.
然而，当倾角较小时，童付的公式存在严重的计算误差传递。
However, there is a severe problem on calculating error propagation in Tong Fu s formulae in the case of relatively small inclination.
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