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中文摘要：
降雨对绕坝渗流、土石坝的浸润线都有显著的影响。由于降雨影响具有非线性的滞后效应,缺少完善的求解理论,这在很大程度上影响了水工建筑物原型观测资料分析的准确性,限制了分析模型的预报功能。通过对降雨入渗坝体过程和坝体响应降雨的效应进行分析,利用ADALINE网络对降雨的滞后效应进行数值模拟,并将模拟结果用于统计模型的建模分析,提高分析模型的准确性和预报能力。经过实际工程检验,数值模拟结果稳定,模型预报准确,可以广泛运用于大坝的资料分析。
英文摘要：
Rainfall has a significant impact on the seepage around a dam and the saturation curve of an earth dam.The nonlinear hysteretic effects and the lack of sound solution theory,however,lower considerably the accuracy of analysis on prototype observation data of hydraulic structures and the prediction ability of analysis models.This paper presents numerical simulations of the hysteretic effects of rainfall based on the ADALINE network method,and analyzes the process of rainfall infiltration and the dam response to rainfall.Furthermore,application of these simulation results to the statistical model development shows a remarkable improvement on the prediction accuracy and ability.Application to practical projects indicates that the numerical simulation is stable and model prediction is accurate.Thus,the approach is a useful method for dam seepage data analysis.
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