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http://dx.doi.org/10.14481/jkges.2011.12.2.1

A Study on the Vibration Propagation Characteristics of Controlled Blasting Methods and Explosives in Tunnelling  

Jung, Hyuksang (한양대학교 대학원 건설환경공학과)
Jung, Kyoungsik (한양대학교 대학원 건설환경공학과)
Mun, Hongnyeon ((주)에스코컨설턴트 지반사업본부)
Chun, Byungsik (한양대학교 공과대학 건설환경공학과)
Park, Duhee (한양대학교 공과대학 건설환경공학과)
Publication Information
Journal of the Korean GEO-environmental Society / v.12, no.2, 2011 , pp. 5-14 More about this Journal
Abstract
The most common problem encountered in domestic tunnel construction sites are solving public resentments caused by damage to adjacent structures and buildings. The most effective excavation method in rock tunnelling is the drilling and blasting, which is the main cause of vibration resulting in the public resentments. In this study, numerical analysis is conducted to compare the vibration reduction effect of line drilling and pre-splitting methods. Furthermore, the numerical simulations are verified and the results are quantified. Finally, various combinations of explosives used in controlled blasting are used and the vibration reduction effects are evaluated, thereby proving the applicability of the controlled blasting for reduction of vibration in tunnelling.
Keywords
Tunnel; Numerical analysis; Blasting vibration; Controlled blast in roof hole; Line drilling; Pre-splitting;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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