Citation

Zhang Z, Ye X, Yin Z, Liu Y, Lan S. China Saf. Sci. J. 2020; 30(11): 67-74.

Copyright

(Copyright © 2020, China Occupational Safety and Health Association, Publisher Gai Xue bao)

DOI

10.16265/j.cnki.issn1003-3033.2020.11.010

PMID

unavailable

Abstract

In order to effectively control blasting hazard factors, with demolition blasting of continuous multi-span aqueduct's complex structure as research object, a safety evaluation model of its demolition blasting was established by using FAHP method. Then, a triangular fuzzy function was developed to quantitatively describe comparative strength. Finally, weight and membership degree of influencing factors at different levels were obtained by defining corresponding matrix operation, and safety evaluation grade of the object was analyzed. The results show that FAHP quantitatively evaluates safety risk of demolition blasting, and obtains weight and importance ranking of influencing factors. And comprehensive assessment score of the object is 75. 18, rated as " relatively safe". Blasting design parameters are optimized, and construction quality of drilling, breakpoint location and pretreatment is improved. © 2020 China Safety Science Journal

Language: zh