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为了扩大均摊恒定热流法的适用范围,对其进行修正,提出完全法和分段法。结合实际工程,分别采用2种方法对土壤温度场进行模拟分析。结果显示,利用分段法可以准确得出任意时刻土壤温度场;采用2种方法得到的周期时间点上的土壤温度场非常近似;在分析周期时间点上的土壤温度场,或进行长时间模拟计算,或对数据精确度要求不高时,完全法是方便和简捷的。指出2种方法各自的适用范围。
In order to expand the scope of application of the uniform heat flow method, amend it and put forward a complete method and a piecewise method. Combined with the actual project, two methods were respectively used to simulate the soil temperature field. The results show that the soil temperature field at any time can be accurately obtained by the piecewise method. The soil temperature field at the periodic time point obtained by the two methods is very similar. When analyzing the soil temperature field at the time point of the cycle or simulating for a long time Computation, or data accuracy is not high, the complete law is convenient and simple. Pointed out the scope of application of the two methods.