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Environmental Effects and Characteristics of Ground Vibration Caused by Tunnel Blasting in the Vicinity of an Apartment  

최병희 (한국지질자원연구원)
류창하 (한국지질자원연구원)
백승규 (한국지질자원연구원)
Publication Information
Explosives and Blasting / v.22, no.1, 2004 , pp. 57-65 More about this Journal
Abstract
Explosive blasting in tunnel excavation produces ground vibration and air blast as its side effects, which may cause complaints from nearby residents. This study was intended to investigate the propagation characteristics of ground vibration induced by tunnel blasting and to evaluate its effects on the residential structures near the site. We have conducted field measurements for 6 blasts and acquired vibration data from 70 measuring points, some of which on positioned inside the tunnel for comparative reason. Various documentation was reviewed to determine an allowable level of peak particle velocity for the residential structures in the area and the allowable limit was set to 0.5 cm/sec. Propagation equations for peak particle velocities were derived from regression analyses using the data acquired at both the surface and the underground tunnel. Finally we proposed appropriate predictive equations for the two areas and a safe blasting criterion.
Keywords
ground vibration; allowable level; peak particle velocity; propagation equation; predictive equation;
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  • Reference
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