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한국공간구조학회> 한국공간구조논문집

한국공간구조논문집

Journal of the Korean Association for Spatial Structures

  • : 한국공간구조학회
  • : 공학분야  >  건축공학
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수록정보
수록범위 : 1권1호(2001)~13권4호(2013) |수록논문 수 : 383
한국공간구조논문집
13권4호(2013년 12월) 수록논문
최근 권호 논문
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1의장적 기둥의 설계를 위한 유리섬유강화플라스틱과 철의 접합부 강도의 실험적 연구

저자 : 황경주 ( Kyung Ju Hwang ) , 최취경 ( Chui Kyung Choi )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 41-47 (7 pages)

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For the artistic column used by Glass Fiber Reinforced Plastic (GFRP), the connection of steel with GFRP were needed. Due to the fabricating characteristics of hand laminating, GFRP surfaces had to be connected. Because there were no existed data of these connection, experimental study has to be followed so that the structural strength and buckling mode could be investigated. In this paper, therefore, the axial tests of steel with GFRP were performed. The connection of GFRP`s surfaces could be also tested as well. As a result, it could be figured out that the strength of these connections were determined by the adhesive strength.

2보-스트링 구조의 횡 좌굴에 관한 연구

저자 : 김재열 ( Jae Yeol Kim )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 49-56 (8 pages)

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Beam string structures (BSS) are one kind of efficient structure system because the bending moment in the beams is reduced greatly through the struts and the strings. As the struts in BSS are used as middle supports to the beam and always in compression, the buckling of the struts should be avoided. This paper investigates the lateral buckling of the struts in BSS. Firstly, the strut of a one-strut BSS is simplified into an analytical model by considering load is formulated and some special cases of the model are analyzed. Finally, the lateral buckling load of the strut is numerically examined by means of parameter studies. It is known that, because on end of the struts is jointed to the beam while the other end is connected to the strings, the buckling of the struts not only depends on the length of the struts and the stiffness of the joints, but also depends on the rise and the lateral stiffness of the beam, the layout of the strings and the number of the struts.

3다중지점 지진하중에 대한 아치구조물의 지진응답 분석

저자 : 김기철 ( Gee Cheol Kim ) , 강주원 ( Joo Won Kang )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 57-66 (10 pages)

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Spatial structures have the different dynamic characteristics from general rahmen structures. Therefore, it is necessary to accurately analyze dynamic characteristics and seismic response for seismic design of spatial structure. Keel arch structure is used as an example structure because it has primary characteristics of spatial structures. In case of spatial structures with different ground condition and time lag, multiple support excitation may be subjected to supports of a keel arch structure. In this study, the response of the keel arch structure under multiple support excitation and with time lag are analyzed by means of the pseudo excitation method. Pseudo excitation method shows that the structural response is divided into two parts, ground displacement and structural dynamic response due to ground motion excitation. It is known that the seismic responses of spatial structure under multiple support excitation are different from those of spatial structure under simple excitation. And the seismic response of spatial structure with time lag are different from those of spatial structure without time lag. Therefore, it has to be necessary to analyze the seismic response of spatial structure under multiple support excitation and time lag because the spatial structure supports may be different and very long span. It is shown that the seismic response of spatial structure under multiple support seismic excitation are different from those of spatial structure under unique excitation.

4축하중을 받는 철근콘크리트 부재의 재령계수식 제안

저자 : 유재욱 ( Jae Wook Yoo ) , 유은종 ( Eun Jong Yu )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 67-74 (8 pages)

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The Age-adjusted effective Modulus Method (AEMM) is one of the methods adopted for the construction stage analysis of concrete structures. The AEMM uses the aging factor to consider the effects of the varying concrete stress. In the aspects of computation time and the accuracy of the results, the AEMM is considered as one of most appropriate methods for construction stage analysis of tall building structures. Previous researches proposed appropriate values of the aging factor in the forms of graphs or using very simple equations. In this paper, an equation for estimating the aging factor as a function of rebar ratio in the section, compressive strength of concrete, notional member dimension, and age of concrete at the load application. The validity of aging factor proposed in this paper were examined by the comparison with the results of step-by step method.

5단층래티스 돔의 주부재 단면형상에 따른 좌굴특성 검토

저자 : 정환목 ( Hwan Mok Jung )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 75-81 (7 pages)

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The circular hollow section is usually used for member of main frame to carry the external load in single layer lattice dome. But, the H-shaped section may be used for member of main frame since it is convenient for attaching roof panels. Single layer lattice domes have various buckling characteristics, such as the overall buckling, the member buckling, and nodal buckling. The purpose of this study is to compare buckling characteristics of single-layer lattice domes in which the H-shaped steel section as the existing domestically-produced structural steel is used as main frames to those of domes in which a circular hollow section is used as main frames.

6리드스위치 센서와 무선주파수를 이용한 막재료의 손상 모니터링에 관한 연구

저자 : 김동현 ( Dong Hyun Kim ) , 김태곤 ( Tae Gon Kim ) , 석창목 ( Chang Mok Suk )

발행기관 : 한국공간구조학회 간행물 : 한국공간구조논문집 13권 4호 발행 연도 : 2013 페이지 : pp. 83-90 (8 pages)

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PTEF membranes are used for roofing materials of membranes structures. PTEF is the abbreviation of Poly-tetra Fluotide-ethylene. These materials are consisted of fiberglass weave and polyetrfluoroethylene coating. Also, PTEF membranes have some problems of structural capacity by wind or snow load, etc. In this study, sensor housings using lead switches are bonding in PTFE membranes, Monitoring to changes tension and tear damages are studied using radio frequency. If tension is received on edged membranes, bonded lead switches of sensor housings will be destroyed by changes tension, and these become to send signals of damages at the connected radio frequency system with increased tension. Study of these functional membrane materials will be contributed to prevent water leakage and long-term maintenance of membrane structures.

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