摘要
介绍了灰色模型的基本原理,并对灰色模型算法进行重点阐述,结合边坡沉降的实际情况,考虑边坡沉降变形与温度变化呈现一定的周期性变形的特点,提出对原始观测数据采用动平均生成数列后,直接采用生成的数据建立灰色模型对边坡测点沉降位移进行预报。以三峡永久船闸高边坡为例,对动平均改进灰色模型算法编制了相应的预报模型程序,实现了边坡测点沉降变形预报功能,取得了较好的效果,与其他常规预测方法相比具有明显优势。
We introduce the basic principle of grey model and focus on calculation method.In the combination of practical condition and with consideration of periodic features of slope settlement and temperature,it is suggested that data series should be generated from original observation data by dynamic average method first,and the grey model is established directly by the generated data series for slope forecast.Taking TGP permanent ship lock as example,by improved dynamic average grey model,the correlative program for forecast model is composed and satisfactory forecast for slope settlement is obtained with obvious advantage compared with other conventional forecast methods.
出处
《人民长江》
北大核心
2010年第20期56-59,共4页
Yangtze River
基金
国家"十一五"科技支撑计划重点项目(2008BAC47B04)
关键词
动平均
改进灰色模型
沉降位移预测
高边坡
dynamic average
improved grey model
forecast of settlement and displacement
high side-slope
