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Influence of Materials and Embedded Depth of Isolation Barrier on Ground Vibration - With Point Loaded Centrifugal Tests -  

이강일 (대진대학교 토목공학과)
김태훈 ((주)대우건설 기술연구소)
Publication Information
Journal of the Korean Geotechnical Society / v.20, no.6, 2004 , pp. 41-49 More about this Journal
Abstract
In general, open trenches or in-filled trenches have been used to isolate transmitting of vibration. Recently alternative methods, in which various materials are used for wall barriers have been proposed and performed in several sites. Although the effects of these methods are verified, resonable and qualitative evaluation methods have not yet been conducted. It may be because many factors, such as the characteristics of vibration sources, ground condition, and parameters of wall barrier are coupled complicatedly. In this study, a series of centrifugal modelings were conducted in order to examine the evaluation method of a vibration wall barrier when point load transmits to the surface. The experiments were performed with different stiffness of wall barriers and different depths of installations. Using the results obtained from tests, effects of those variables on the efficiency of vibration barrier were analyzed. Through this investigation we observed vibration transmission of under ground, and verified the applicability of ball dropping system which was developed in this study.
Keywords
Ball dropping system; Centrifugal modeling; Ground surface vibration; Point load; Wall barrier;
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Times Cited By KSCI : 1  (Citation Analysis)
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