지반에 매립된 무근 콘크리트 블록의 폭파 해체
Explosive Demolition of Buried Unreinforced Concrete Block
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초록
구속조건이 상이한 구조물의 폭파해체 영향을 조사하기 위하여 지반에 매립된 무근 콘크리트 블록을 발파 실험 하였다. 구속상태를 달리하여 실험한 결과 매질의 임피던스의 차이가 작을수록 에너지가 잘 투과하였다. 장약량과 구속물성이 동일한 경우 자유면 수가 증가함에 따라 파쇄도가 증가하였다. 자유면 방향을 달리하여 실험한 결과 자유면이 양 측면에 있을 때 자유면 쪽으로 폭력이 더욱 집중되었다.
Abstract
Concrete blocks buried in ground were blasted to investigate the influence of constrained condition as a factor of demolition. The results with varying constrained condition show that the smaller the difference in impedances of mass, the easier the energy to pass the boundary. When the charge and constraining material was the same, block was well fragmented as the number of free face increased. Explosive force was applied better to free faces when they were at opposite side of the block.
참고문헌 (7)
- Choi, Y. W., "The Prediction of Compressive Strength and Slump Value of Concrete Using Neural Networks", J. Korean Society of Industrial Application, 5(2), pp.103~110 (2002)
- Fujikake, K., "Damage of reinforced concrete columns under demolition blasting", Engineering Structures, 55, pp.116~125 (2013)
- Kang, C. W., "Blasting Engineering A to Z", pp.11~22 (2005), Goomibook Press
- Kim, Z. K., "Industrial Explosives and Blasting Engineering", pp.163~185 (1986), Seoul National University Press
- 박훈, "Blast Design for Explosive Demolition of Concrete Foundation", 화약 발파, 30(1), pp.9~16 (2012), 대한화약발파공학회[DOI]
- Reynolds, J. M., "An Introduction to Applied and Environmental Geophysics", pp.206~222 (2003), Sigma Press
- Uenishi, K., "PC-based simulations of blasting demolition of RC structures", Construction and Building Materials, 24, pp.2401~2410 (2010)