南京林业大学学报（自然科学版）
Calculation model of spacing between guard piles based on soil arch effect
ZHAO Zhifeng,WANG Haibo,ZHANG Tian
JOURNAL OF NANJING FORESTRY UNIVERSITY . 2015, (01): 130 -134 .  DOI: 10.3969/j.issn.1000-2006.2015.01.024

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