桩基动力学模型参数反演识别方法

A method of parameter inversion identification for dynamic model of pile foundation

针对桩基模型参数存在不确定性的问题,提出一种桩基模型参数反演识别方法。以测点和敲击点作为噪声因素,综合考虑模型中不同测点和敲击工况下加速度响应对反演结果的影响,利用多信息融合方法将多个评分值融合成唯一的参数反演识别目标响应值。研究结果表明:利用本研究方法得到的反演曲线与仿真曲线拟合良好。本研究为桩基模型参数反演识别提供了一定的借鉴。

In view of the uncertainty of the parameters of the pile foundation model,a method of parameter inversion identification for pile foundation model was proposed.Taking the measuring points and the tapping points as noise factors,comprehensively considering the impact of the acceleration response on the inversion results at different measuring points and tapping conditions in the model,using multiple information fusion,the score values were merged into a unique parameter inversion to identify the target response value.The research results show that the inversion curve obtained by this method has a good fit with the simulation curve.This study provides a reference to parameter inversion identification for the pile foundation model.