工程爆破

2020, v.26(02) 80-86

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临近燃气管道的爆破质点峰值振速预测
Prediction of peak particle velocity of blasting vibration adjacent to gas pipeline

陈宏涛;程贵海;
CHEN Hong-tao;CHENG Gui-hai;School of Resources, Environment and Materials,Guangxi University;

摘要(Abstract):

为研究南宁市某水利枢纽疏浚爆破对临近燃气管道产生爆破振动的衰减规律及其影响,采用爆破振动测试仪对爆破荷载下燃气管道的振动峰值速度进行监测。根据实测数据,利用线性回归与非线性回归方法进行分析。结果表明:运用回归分析得到的预测模型拟合精度较高,且非线性回归分析的预测模型比线性回归分析的预测模型精度高。非线性回归分析模型的相对误差为5.44%,线性回归分析模型的相对误差为6.38%。
In order to study the attenuation law of blasting vibration caused by dredging blasting of a water conservancy project in Nanning city and its influence on nearby gas pipelines, a blasting vibration tester was used to monitor the peak vibration velocity of gas pipelines under blasting load. According to the measured data, the linear regression and nonlinear regression methods are used for analysis. The results showed that the prediction model obtained by regression analysis has higher fitting precision, and the prediction model of nonlinear regression analysis has higher precision than the prediction model of linear regression analysis. The relative error of the nonlinear regression analysis model is 5.44%, and the relative error of the linear regression analysis model is 6.38%.

关键词(KeyWords): 爆破振动;回归分析;燃气管道;质点峰值振速
blasting vibration;regression analysis;gas pipeline;peak particle velocity

Abstract:

Keywords:

基金项目(Foundation): 广西大学工程爆破研究所开放基金资助项目(20190012)

作者(Authors): 陈宏涛;程贵海;
CHEN Hong-tao;CHENG Gui-hai;School of Resources, Environment and Materials,Guangxi University;

参考文献(References):

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