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eISSN: 2083-5906
ISSN: 1230-1485
ISSN: 1230-1485
ORIGINAL RESEARCH
AHP-Normal Cloud-Model-Based Method
for Risk Assessment of Rockfall Hazards
in Laoying Yan
1
School of Civil Engineering, Nanyang Institute of Technology, Nanyang, Henan,China
2
Guizhou Provincial Key Laboratory of Rock and Soil Mechanics and Engineering Safety, Guiyang, 550025, China
3
School of Architecture and Civil Engineering, Chengdu University, Chengdu, Sichuan,China
4
School of Civil Engineering, Neijiang Normal University, Neijiang, Sichuan,China
Submission date: 2021-01-12
Final revision date: 2021-03-12
Acceptance date: 2021-03-24
Online publication date: 2021-08-31
Publication date: 2021-10-01
Pol. J. Environ. Stud. 2021;30(6):4985-4995
KEYWORDS
TOPICS
ABSTRACT
The rockfall hazard is one of geological hazards in mountainous zone, its occurrence is complex,
fuzzy and random. To assess the risk level of rockfall hazards in Laoying Yan accurately, AHP-Normal
cloud model is introduced at first; secondly, the index weight coefficients are calculated by using AHP
method, then the certainty degree of each index belonging to the corresponding cloud is obtained
by using the norm cloud model. The final risk level of rockfall hazards is determined according to
the synthetic certainty degree. The conclusions are drawn that accurate rate of risk estimation about
rockfall hazards is very high, necessible measures should be taken to prevent possible occurrence of
rockfall hazards.
CONFLICT OF INTEREST
The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.
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| eISSN: | 2083-5906 |
| ISSN: | 1230-1485 |
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