摘要
依托风陵渡黄河大桥健康监测,针对实测应变及温度数据的变化规律,采用多段温度回归模型,并对每段曲线的回归系数进行二次拟合,在此基础上提出相应的应变计算公式,针对曲线分段处存在突变的情况进行应变修正,计算应变与实测应变基本能够满足实际需要。
Based on health monitoring of the Fenglingdu Yellow River Bridge, for the variation law of the measured strain and temperature data, using the multistage temperature regression model, this paper carried out the regression coefficient of each curve by quadratic fitting. On this basis, it also put forward the corresponding strain calculation formula. For the situation where there was a sudden change at the curve segment, it also had the strain correction, calculated the strain and measured strain could basically met the practical needs.
作者
杨海红
YANG Hai-hong(Yuncheng South Highway Branch of Shanxi Traffic Holding Group Co.,Ltd.,Yuncheng,Shanxi 044000,China)
出处
《山西交通科技》
2018年第6期68-71,共4页
Shanxi Science & Technology of Transportation
关键词
桥梁健康监测
应变监测
温度效应
多段回归模型
bridge health monitoring
strain monitoring
temperature effect
multistage regression model