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건설 현장 항타 하중에 의한 지중 삼중관 진동 거동 : II. 매설 심도Dynamic Response of Underground Three-layered Pipeline Subjected to Pile Driving Loads : II. Cover Depth

Other Titles
Dynamic Response of Underground Three-layered Pipeline Subjected to Pile Driving Loads : II. Cover Depth
Authors
유한규원종화최정현김문겸
Issue Date
Aug-2011
Publisher
한국가스학회
Keywords
buried pipe; three layered pipeline; cover depth; pile driving; attenuation ratio
Citation
한국가스학회지, v.15, no.4, pp 15 - 20
Pages
6
Indexed
KCI
Journal Title
한국가스학회지
Volume
15
Number
4
Start Page
15
End Page
20
URI
https://scholarworks.bwise.kr/erica/handle/2021.sw.erica/38870
DOI
10.7842/kigas.2011.15.4.015
ISSN
1226-8402
2713-6922
Abstract
본 연구는 매설 조건이 불건전한 건설 현장에 매설된 삼중관이 항타 진동에 노출되었을 경우에 발생하는 배관의 거동을 매설 심도에 따라 분석하였다. 매설 배관으로부터 20m의 이격 거리를 갖는 항타 에너지는 7tonf의 램이1.2m에서 낙하하였을 경우로 선정하였고, 매설 심도는 0.6, 1.4, 2.2, 3.0, 3.8m로 변화하여 연구를 진행하였다. 관의길이방향 중심에서의 진동 속도와 응력을 확인 하였고, 감쇠비를 고려하여 삼중관의 거동을 분석하였다. 이격거리가 동일한 경우의 진동 속도에 대한 감쇠율은 매설 심도가 증가함에 따라 증가하는 추세를 보이고 있다. 또한,내관에서 응력 감쇠율도 매설 심도가 증가함에 따라 증가하는 추세를 보이고 있다.
This study presents the behavior characteristics of buried three-layered pipeline subjected to pile driving loads corresponding to its cover depth. The analysis considered the driving energy caused by 7 tonf of ram weight and 1.2m of stroke with 20m distance from buried pipeline for all the analysis cases. A cover depth of pipe is varied 0.6m to 3.8m for this research. Vibration Velocity and stress are investigated at the center section in longitudinal direction. With same distance from pile, attenuation ratio of vibration velocity for increment of cover depth has shown an increasing trend. Also, Stress attenuation ratio of inner pipe is increased with cover depth.
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COLLEGE OF ENGINEERING SCIENCES > DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING > 1. Journal Articles

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Yoo, Han Kyu
ERICA 공학대학 (DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING)
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