煤矿井下巷道的地震识别效果及分析

doi:10.11720/wtyht.2025.0155

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Abstract

The small-scale coal mines and goaves of roadways in coal mines have a significant impact on coal mine safety production.Moreover,the limited space of roadways makes geophysical exploration very difficult,calling for higher requirements on the resolution and fidelity of seismic data.In this study,a node seismograph,with a 10 Hz natural frequency of geophones,was used for the acquisition of 3D seismic data.During data interpretation,the extraction root mean square(RMS) amplitude identified the presence of a known roadway with a cross-section of 5 m×4 m.Then,by further extracting the spectral decomposition attributes and coherent energy gradients,the characteristics of the roadway anomalies were intensified,with the revealed anomaly centers aligning with the known roadway positions.In conjunction with forward modeling analysis,the 10 Hz geophone exhibited a high resolution for deep-buried coal mine roadways, and the seismic attribute technologies proved to be an effective means to highlight roadway anomalies.These findings can provide critical reference for the interpretation of small coal seams and goaf-side roadways in coal mines.

Key words： 3D seismic geophone seismic attribute forward modeling coal mine roadway

Received: 13 April 2025 Published: 23 October 2025

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	Articles by authors
	Xiao-Dong YANG
	Jian-Qiang ZHANG
	Li-Qiang GENG
	Xue-Qi ZHANG
	Hui-Hui CHENG
	Ran KANG

Cite this article:

Xiao-Dong YANG,Jian-Qiang ZHANG,Li-Qiang GENG, et al. Performance and analysis of seismic recognition in coal mine underground roadways[J]. Geophysical and Geochemical Exploration, 2025, 49(5): 1133-1140.

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https://www.wutanyuhuatan.com/EN/10.11720/wtyht.2025.0155 OR https://www.wutanyuhuatan.com/EN/Y2025/V49/I5/1133

Geological model of roadway(partial zoom in display)

The parameters of the roadway model

Forward simulation migration profile

Amplitude and spectral characteristics of forward time profile

Seismic time profiles of reflected waves and spectrum from main coal seams in the study area

Coal seam reflection wave seismic attribute

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