A practical formula and an example of calculation are also given in the paper.
并给出了实用计算公式与计算实例。
The feature of this formula is simple and practical.
本公式具有简单、实用等特点。
The empirical formula can be tried in practical project to quickly test the loading capacity.
应用表明，两种方法的结合能够快速而准确的进行承载力的检测。
Finally we discuss the application of our formula by a practical example.
最后，通过具体实例说明公式的应用。
The production practice shows that the formula is practical.
经生产验证，该公式具有较好的实用性。
The production practice shows that the formula is practical.
经生产验证，该公式具有较好的实用性。
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