摘要
多道瞬态面波法在滑坡调查等工程勘察领域中被广泛应用,本文以多道瞬态面波法为手段进行面波技术在滑坡地质调查中的应用研究.研究了面波勘察中锤击、落重等震源的频谱成分,分析了震源质量、高度、垫板材质等因素与面波信号的关系.同时研究了4 Hz、10 Hz和28 Hz三种频率动圈式检波器采集的信号频谱成分,指出面波勘察中检波器选择应综合考虑勘探深度和分辨率.在试验研究成果指导下利用多道瞬态面波法对秦岭一小型滑坡进行勘察,瞬态面波勘察地质解释与钻探结果相吻合,从而证明面波勘察技术是一种高效和高精度的滑坡地质调查手段.
This paper studied the application of surface wave technique in landslide geology survey with the multi-trace transient surface wave which is widely used in landslide geology survey. The seismic spectral composition of hammer-impact and weight drop seismic origin was researched and the relationship between surface wave signal and vibrator, height, subplate material, etc. is analyzed. With the study of the spectral composition of the signal collected by moving coil geophone with three frequency（ 4 Hz,10 Hz,28 Hz）,we can conclude that detecting depth and resolution should be both considered in geophone＇s selection in surface wave exploration. After this research,we surveyed a minor landslide geology with the multi-trace transient surface wave in Qinling,and the geologic interpretation was almost equal to drilling results. It was proved that the surface wave exploration technique is a highefficiency and high-precision landslide geology survey method.
出处
《地球物理学进展》
CSCD
北大核心
2016年第3期1367-1372,共6页
Progress in Geophysics
关键词
瑞雷波
多道瞬态面波
滑坡调查
锤击震源
检波器
rayleigh wave
the multi-trace transient surface wave
landslide geology survey
hammer-impact seismic origin
geophone
