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城镇复杂环境下的顶管隧道爆破
Complex Urban Environment of the Top Tube Tunnel Blasting
【摘要】 以腾冲县太极桥景区顶管隧道爆破施工为背景,设计了腾冲县顶管爆破工程掘进断面的爆破参数,并进行现场爆破试验,根据最小二乘法原理对监测到的爆破震动速度进行回归分析,得到该场地的爆破地震波传播衰减规律。通过Fourier变换进行了爆破振动的功率谱分析,得到爆破振动能量分布的优势频率。
【Abstract】 Take the pipe-jacking blasting construction to Taiji bridge scenic area of Tengchong county as an example,the blast parameters of advancement was designed for excavation,and meeting blast test.The regression analysis of blasting vibration velocity was done by the least squares principle,and finally the law of blasting vibration propagation was obtained at this area.The lasting vibration was analyzed by Fourier transform power spectrum,and the advantages frequency of energy distribution of the blasting vibration was obtained.
【关键词】 复杂环境;
顶管爆破;
爆破震动;
回归分析;
Fourier变换;
【Key words】 complex environment; top-tube burst; blasting vibration; regression analysis; Fourier transform methods;
【Key words】 complex environment; top-tube burst; blasting vibration; regression analysis; Fourier transform methods;
- 【文献出处】 爆破 ,Blasting , 编辑部邮箱 ,2012年02期
- 【分类号】U455.6
- 【被引频次】3
- 【下载频次】73