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REFERENCE LINKING PLATFORM OF KOREA S&T JOURNALS
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Journal of the Korean Association for Spatial Structures
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Journal DOI :
Korean Association for Spatial Structures
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Volume & Issues
Volume 7, Issue 6 - Dec 2007
Volume 7, Issue 5 - Oct 2007
Volume 7, Issue 4 - Aug 2007
Volume 7, Issue 3 - Jun 2007
Volume 7, Issue 2 - Apr 2007
Volume 7, Issue 1 - Feb 2007
Selecting the target year
Health Mornitoring of Spatial Structure by Optical FBG Sensor
Lee, Chang-Woo ; Lee, Seung-Jae ; Ju, Gi-Su ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 49~55
In this paper, always monitoring system of fiber Bragg Crating(FBG)Sensor is described and FBGs are well suited for measuring the movement in the part of the spatial structure(for example, cable, membrane and so on)under the pressure conditions. In order to measure the movement of long span structure, we need the measurable equipment that takes in many spots to measure. In the result of experiment, the fiber sensors showed good response to the pressure conditions. Therefore, We could calculate the movement of spatial structure and be possible health monitoring of the spatial structure.
A Study on Estimate for Error and Convergence of Membrane Structures According to the Nonlinear Form-finding Techniques
Shon, Su-Deok ; Kim, Seung-Deog ; Jeong, Eul-Seok ; Jeon, Jin-Hyung ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 57~66
The membrane structures, a kind of lightweight soft structural system, are used for spatial structures. The material property of the membrane has strong axial stiffness, but little bending stiffness. The design procedure of membrane structures are needed to do shape finding, stress-deformation analysis and cutting pattern generation. In shape finding, membrane structures are unstable structures initially. These soft structures need to be introduced initial stresses because of its initial unstable state, and happen large deformation phenomenon. Therefore, in this paper, we investigate the convergence of solution and the speed according to the control variables and the method of shape analysis.
A Study on the Indoor Thermal Environment of the Large Gymnasium Space in Winter - Without Heat Loads from Occupancy -
Choi, Dong-Ho ; Jeong, Seong-Jin ; Seok, Ho-Tae ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 67~77
The purpose of this study is to provide fundamental heating design data for the large public enclosures as gymnasium. This study executed indoor thermal environment verification of the existing gymnasium by measuring temperature distribution with and without heating the space in winter. Heating loads from human body was not considered. We examined various indoor thermal environment factors of the large enclosed space in this study which include vertical and horizontal temperature distribution, supply and return air flow feature, thermal comfort environment feature, amount of ventilation and etc.
The Buckling Behavior of High-strength Steel Truss Columns with Box Section
Jang, Gab-Chul ; Chang, Kyong-Ho ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 79~86
Recently, as steel structures become higher and more long-spanned, construction of high-strength steels is increasing gradually. Application of high-strength steel can be possible to make a more light and economic steel structures by reducing thickness and space. To apply a high-strength steel to structure, criteria of high-strength steel for buckling is required. However, current specification is not sufficient for criteria of high-strength steels. In this paper, buckling behavior of high-strength steel truss columns with box sections is investigated by using three-dimensional elastic-plastic finite deformation analysis program. The criteria equation for allowable compressive stress of high-strength steel truss columns with box sections is proposed and confirmed the applicability. It is reasonable form analytical results that formulated equations after finding the upper limit of allowable axial direction compression stresses of high-strength steel truss columns. And new equation is suitable to buckling design of high-strength steel truss columns.
Investigation and Numerical Analysis of Node Connectors in Free-Form Spatial Structures
Hwang, Kyung-Ju ; Park, Don-U ; Park, Sun-Woo ; Knippers, Jan ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 87~95
The recent completions of free-form spatial structures provide us a very attractive form. To realize such an extraordinary shape, it is absolutely necessary that the connector systems have to be investigated the characteristics of the systems and analyzed with a practicable method. In this context, this research consists of not only literature research but also numerical analysis with selected connector systems, which was adopted in real free-form spatial structures. For numerical analysis, especially, finite element analysis (FEA) is performed with a various test parameter using a commercial program ANSYS. Consequently, the general characteristics of node connectors the moment-rotation-curves are presented by considering a large deformation effect as well as a multi-linear material properties.
Measurement Examination of Indoor Thermal Environment Characteristic in accordance with Heat Loads from Occupant for Large Enclosure in Winter
Seok, Ho-Tae ; Chae, Mun-Byoung ; Choi, Dong-Ho ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 97~107
The purpose of this study is to grasp the characteristic of indoor thermal environment from large enclosures in connection with heating condition and outdoor environment. This study has measured indoor thermal environment in accordance with heat loads from occupant for large enclosures in winter. We examined indoor thermal environment of the large enclosures in this study which include temperature distribution vertical, horizontal, seat and surface and thermal comfort environment.
A Case Study on the Cooling and Heating System of Domed Stadiums in Japan
Yang, Jeong-Hoon ; Kim, Dong-Woo ; Song, Doo-Sam ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 109~118
The purpose of this study is to make suggestions for considerable factors about planning of the cooling and heating system of domed stadiums. Planning of the thermal environment of large enclosure is needed the accumulation of the data base based on continuous research and experience. Therefore this paper shows and analyzes the typology of the reeling and heating system of Japanese domed stadiums. And the results of this study purpose a basic data for planning of the cooling and heating system to make comfortable indoor thermal environment of large enclosures.
Web-Post Buckling Strength For Cellular Beam
Choi, Chui-Kyung ; Park, Sun-Woo ; Kim, Tae-Young ; Seo, Bo-Hyun ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 119~124
Due to the deficit of section of web, the buckling strength of cellular beam become smaller than that of H-beam. In this thesis, we evaluate the buckling strength of web-post through non-linear F.E.M with opening distance-diameter ratio and opening diameter - web thickness ratio as essential variables. And also analyzes this comparing with the standard indicated in BS5950 Part 1.
Morphogenesis of Component Unit in Spatial Grid Structure
Park, Chan-Soo ; Choi, Sun-Young ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 125~132
The purpose of this study is to investigate the functions and formations of the component units as aesthetic components in the spatial grid. The main subject covered here is the presentation of the morphological method of shaping spatial grid by application of 3-dimensional units satisfying the suitable form of polyhedra, tensegrity and hybrid structure. In accordance with the subject, the definition of the spatial grid and 3-dimensional nit, the relationship between them, and then the functions of those units are reviewed. And the formations of polyhedral units, tensegrity units and hybrid units are generated by means of the modules of the simplest type or pattern. And also the overall appearance of the spatial grid shaped by several basic methods in which one unit can be joined to another and arranged are depicted.
Analysis on the Construction Cost of Spatial Structures
Jang, Myung-Ho ; Sur, Sam-Yeol ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 133~140
Spatial structures is a appropriate shape that resists external force with only inplane force by reducing the influence of bending moment, and it maximizes the effect of structure system. An economic analysis is one of the most important factors to determine the project feasibility. Large spatial structures project is more need to comprehensive technology than a general construction project. In order to result in success of these project, it is desired that analyze an essential elements(for example, large budget, professional engineer, construction method, etc.) in the whole life cycle of buildings by schematic preparation from the early feasible study steps. We collect the data and analyze construction cost through this study which examines general remarks of existing spatial structures and researches its examples. This study is aimed to apply basic data to establish database the spatial structures.
Development of New Detachable Connection for Glass Fiber Reinforced Polymer Considering of Short and Long-Term Behavior
Park, Don-U ; Hwang, Kyung-Ju ; Knippers, Jan ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 141~151
The appearance of many Glass Fiber Reinforced Plastic (GFRP) constructions look like ordinary steel construction, because GFRP has been imitated by the same way with the traditional steel's cross section as well as connection system. In terms of detachable connection, there was not enough appropriate option of GFRP connection, such as a traditional bolt connection for steel and wood structures. Most of all, from material characteristic of GFRP related to the deficient ductility, the shearstress principle of GFRP s not proper for the material property, which causes ineffective and not economic application of material. With this research problem, the innovative and detachable onnection system, which is more considered with appropriate material characteristic for FRP, is developed. Not only short time but also long time research with various connection variations is carried out.
A Study on the Cutting Pattern Generation of the Membrane Structures Using Triangular Re-mesh
Jeon, Jin-Hyung ; Shon, Su-Deok ; Jeong, Eul-Seok ; Kim, Seung-Deog ;
Journal of the Korean Association for Spatial Structures, volume 7, issue 3, 2007, Pages 153~165
Flexible structure uses a material with strong axial stiffness and small bending stiffness as its major structural material so it is very sensitive to initial stiffness. Therefore, the self-formation process which accomplishes a form in the natural world is grasped and it is as well investigated and classified the type of modeling techniques which are available to find the shapes of soft structures. Accordingly, for analysis and design of flexible structure, three-step analysis such as shape analysis, stress-deformation analysis, cutting pattern generation and constructional analysis is required unlike the existing stiff structure. In this study, suggest that minimize the error of side curvatures by the triangle Re-mesh pattern and draw the cutting pattern generation.