Prediction for the Bearing Capacity of Pile Foundation by the Grey Model with Different Time Steps
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摘要: 根据灰色系统理论,首次建立了时间非等步长的桩基工程GM(1,1)模型,提出了时间非等步长的桩基工程GM(1,1)模型的检验方法。结合桩基试桩实践,表明由此模型计算所得的预测结果与实际结果吻合良好,并经过时间非等步长桩基工程GM(1,1)模型的精度检验,证明采用该方法进行桩基承载力预测所得的精度较高。为桩基工程承载力预测提供了一种新的、可靠的理论方法。Abstract: According to the theory of grey system,the different time steps model of GM(1,1)in the pile foundation engineering is established,and a testing method of this model is provided.Through engineering practice and precision examination,it is shown that the calulated result gear very well with the tested result,and the model has a very high precision.
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