Research on buckling failure and anchorage parameters of slab-rent structure rock bedding slopes in Tianchi Energy South Open-pit Coal Mine

In this paper, according to the characteristics of bedding slope deformation and buckling failure of slab cracked rock mass in Xinjiang Tianchi Energy South open-pit Coal Mine, with the help of slope radar monitoring means, by transforming the prediction of landslide failure process into the judgmen...

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Veröffentlicht in:Mei kuang an quan 2022-08, Vol.53 (8), p.225-229
Hauptverfasser: LI Ming, DONG Mengmeng, WANG Aiwu, MA Xiyan
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Sprache:chi
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Zusammenfassung:In this paper, according to the characteristics of bedding slope deformation and buckling failure of slab cracked rock mass in Xinjiang Tianchi Energy South open-pit Coal Mine, with the help of slope radar monitoring means, by transforming the prediction of landslide failure process into the judgment of gradual failure of slope rock mass, the internal relationship between slope radar slope surface displacement rate and slope deformation and buckling failure is analyzed, and based on elastic plate theory, the relationship between slope buckling failure length and anchorage parameters is discussed. The results show that the radar displacement rate of slope surface shows an obvious downward trend in the strong bending uplift stage before the failure of slab cracked rock mass due to the expansion of tension cracks and the exposure of bottom sliding surface; the inflection point at which the radar displacement rate on the slope surface drops to the minimum value can be used as the graphical criterion of slope fail
ISSN:1003-496X
DOI:10.13347/j.cnki.mkaq.2022.08.035