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Study of Blast Ground Vibration & Noise Measurements In-situ and Effect Analysis for Numerical Analysis, Rational Blasting Design at an Eel Farm  

Lee Song (서울시립대학교)
Kim Sung-Ku (GS건설(주))
Rhee Yong-Ho (GS건설(주))
Publication Information
Tunnel and Underground Space / v.16, no.2, 2006 , pp. 179-188 More about this Journal
Abstract
The vibration or/and noise generated by blast operations might cause not only structural damage to properties but mentally also to humans and animals. For that reason, maximum permitted vibration and noise levels are set by sensitivities of structures and they are used for the management of blast vibration. It is known that the fish lived in water are more sensitive to vibration than land animals, and thus the adverse impact of the blasting on fish farms should be very concerned. This study investigated the vibration and noise levels at a large eel farm located some 840 meters of the blasting site through the large real-scale experiments of blastings, prior to conducting the actual blasting. As a result, it was found that the noise met the requirement to be within maximum permitted level, while the ground vibration exceeded the permitted vibration. Accordingly, the impact of the excess vibration was investigated by an existing empirical method and verified by a new three dimensional numerical analysis. In this study, such an inspection process was briefly described, and a method was suggested for the examination of possible adverse effects from blasting on vibration-sensitive structures like the eel farm. The study also introduced a design method that controls the blast effects - ground vibration and noise.
Keywords
an eel farm; ground vibration and noise; pisces; eel;
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