基于Excel的曲线拟合法在液塑限试验
首发时间:2010-01-06
摘要:传统的液塑限试验数据处理采用双对数坐标画图法,其步骤繁琐,数据处理速度慢,精度低。本文在大量室内试验的基础上,针对实际数据处理的困难,提出了利用Excel2003软件进行曲线拟合来实现液塑限的数据处理。试验结果表明,基于Excel的曲线拟合法不仅可以满足液塑限试验精度的要求,而且提升了数据处理的速度。弥补了传统作图法不足。同时,极大地方便了广大的土工试验者,解决了数据处理的繁琐问题。
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The application of curve-fitting method in data processing
Abstract:The traditional data processing method of liquid plastic limit test often draw on the double logarithmic coordinates drawing paper. The steps are very trivial and the processing speed is quite slow, have a low accuracy. Based on a large number of laboratory test, in the view of the actual data processing difficulties, the paper puts forward the difficulties by using Excel2003 to realize curve fitting in data processing of liquid plastic limit test. Test result shows that based on the Excel curve-fitting can not only satisfy the test accuracy lt, but also raise the speed of data processing. The method often makes up for the traditional mapping way. It also greatly convenient the geotechnical operator and solve the trivial problems of data processing.
Keywords: Liquid plastic limit critical moisture content curve fit precision
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