지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
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초록· 키워드
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In recent years, the development of computer technique was possible to the simulation analysis of the structure caused by ground vibration. Generally, finite element method(FEM) has been used in these structural analysis. In this study, it was calculated to the vibration energy as measuring vibration waveform, and estimated about principal stress due to medium characteristics of the ground as processing dynamic analysis by the vibration energy. The results are as follows : Firstly, the principal stress distribution in all mediums was different due to a medium condition, and the principal stress at concrete medium was represented to difference due to physical characteristics. Secondly, the principal stress by time increasing was represented to maximum amplitude within 0.03 second. And also, the principal stress after maximum amplitude was very large at concrete medium, which was considered to be formed compression or tension range at a medium boundary. Thirdly, the variation of principal stress at concrete medium was represented in the order of RC medium, NC=H medium, NC=S medium. It was considered that the vibration energy propagated fast when a medium have a big elasticity and density.
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참고문헌 (10)
참고문헌 신청
Hao, H / 2002 / Damage assessment of masonry infilled RC frames subjected to blasting induced ground excitations / Engineering Structures 24 : 799 ~ 809
Krauthammer, T / 1997 / Mesh, gravity and load effects on finite element simulations of blast loaded reinforced concrete structures / Computers and Structures 63 : 1113 ~ 112
Newmark, N.M / 1959 / A method of computation for structural dynamics / Journal of the Engineering Mechanics Division 85 : 67 ~ 94
Wu, C / 2005 / Dynamic response and damage analysis of masonry structures and masonry infilled RC frames to blast ground motion / Engineering Structures 27 : 323 ~ 333
Zaman, M.M. / 1984 / Interface model for dynamic soil-structure interaction / Journal of Geotechnical Engineering 110 : 1257 ~ 1273
Krauthammer, T / 1997 / Mesh, gravity and load effects on finite element simulations of blast loaded reinforced concrete structures / Computers and Structures 63 : 1113 ~ 112
Newmark, N.M / 1959 / A method of computation for structural dynamics / Journal of the Engineering Mechanics Division 85 : 67 ~ 94
Wu, C / 2005 / Dynamic response and damage analysis of masonry structures and masonry infilled RC frames to blast ground motion / Engineering Structures 27 : 323 ~ 333
Zaman, M.M. / 1984 / Interface model for dynamic soil-structure interaction / Journal of Geotechnical Engineering 110 : 1257 ~ 1273
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