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학제간연구 과학기술학 뇌인지과학 기술정책 기타 복합학

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논문 기본 정보

자료유형
학술저널
저자정보
구충모 (Structural Engineering division, MIDAS IT Japan) 정환목 (School of Architecture & Civil Eng., Kyungdong University) 김철환 (School of Architecture & Civil Eng., Kyungpook National University)
저널정보
한국공간구조학회 한국공간구조학회지 한국공간구조학회지 제12권 제4호
발행연도
2012.1
수록면
109 - 118 (10page)

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The large-space single-layer lattice dome is relatively simpler in terms of the arrangement of the various framework members and of the design of the junction than the multi-layered lattice dome, can reduce the numbers and quantity of the framework members, and has the merit of exposing the beauty of the framework as it stands. The single-layer lattice dome, however, requires a stability investigation of the whole structure itself, along with an analysis of the stress of the framework members, because an unstable phenomenon called "buckling" occurs when its weight reaches critical levels. Many researchers have systematically conducted researches on the stability evaluation of the single-layer lattice dome. No construction case of a single-layer lattice dome with a 300-m-long span, however, has yet been reported anywhere in the world. The large-space dome structure is difficult to erect due to the gigantic span and higher ceiling compared with other common buildings, and its construction cost is generally huge. The method of erecting a structure causes major differences in the construction cost and period. Therefore, many researchers have been conducting various researches on the method of erecting such structure. The step-up method developed by these authors can reduce the construction cost and period to a great extent compared with the other general methods, but the application of this method inevitably requires the development of system supports in the center section as well as pre-existing supports in the boundary sections. In this research, the safety during the construction of a single-layer lattice dome with 300-m-long span using pre-existing materials was examined in the aspect of structural strength, and the basic data required for manufacturing the supports in the application of the step-up method developed by these authors during the erection of the roof structure were obtained.
#Single-layer lattice dome #step-up erection method #stability #support

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참고문헌 (10)

참고문헌 신청
M. Yamada / 1988 / An Approximation on the Buckling Analysis of Orthogonally Stiffened and Framed Spherical Shell / Shell and Spatial Structure Enginnering, IASS Symposium :177~193 google schola H. M. Jung / 2007 / Buckling and Behavior of The Single‐Layer Latticed Dome in Erection Process / IASS 2007‐VENICE‐ITALY :179 google schola H. M. Jung / 1990 / Buckling of Rigidly‐Joint Single‐Layer Latticed Domes with Square Network ‐Theoretical and Experimental Basic Study‐ / Proceedings of 3rd Summer Colloquium on SHELL AND SPATIAL STRUCTURES :625~636 google schola Y. HANGAI / 1989 / Architectural Institute of Japan. STABILITY OF SINGLE‐LAYER LATTICED DOMES STATE‐OF‐THE‐ART :191~254 google schola K. Heki / 1968 / On the Effective Rigidities of Lattice Plates / RECENT RESEAR ‐CHES OF STRUCTURAL MECHA‐ NICS‐Contributions in Honour of the 60th Birthday of Prof. Tsubio :31~46 google schola

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