Thickness of Crown Pillars for Hongling Lead-Zinc Mine During Transition from Stope Caving Method to Filling Method

TONG Da-zhi, WANG Guan-nan, ZHANG Chi

Mining and Metallurgical Engineering ›› 2022, Vol. 42 ›› Issue (5) : 5-9.

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Mining and Metallurgical Engineering ›› 2022, Vol. 42 ›› Issue (5) : 5-9. DOI: 10.3969/j.issn.0253-6099.2022.05.002

Thickness of Crown Pillars for Hongling Lead-Zinc Mine During Transition from Stope Caving Method to Filling Method

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{{article.zuoZheEn_L}}. {{article.title_en}}[J]. {{journal.qiKanMingCheng_EN}}, 2022, 42(5): 5-9 https://doi.org/10.3969/j.issn.0253-6099.2022.05.002

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