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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 2, Issue 3 - Sep 2002
Volume 2, Issue 4 - Jun 2002
Volume 2, Issue 2 - Jun 2002
Volume 2, Issue 1 - Mar 2002
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Evaluation of Inelastic Earthquake Response of MDOF System by Equivalent SDOF System
Kim, Bu-Sik ; Noh, Phil-Sung ; Jun, Dae-Han ; Song, Ho-San ;
Journal of the Korean Association for Spatial Structures, volume 2, issue 2, 2002, Pages 45~49
Current seismic design codes for building structures are based on the methods which can provide enough capacity to satisfy objected performance level and exactly evaluate the seismic performance of buildings. This paper is to suggest the method of inference of inelastic earthquake response obtained from MDOF system by equivalent SDOF system, and to prove the validity. The analysis results form simple model shows a good application possibility.
An Experimental Study on a Bond Stress in Concrete Filled Circular Steel Tubular Column Strengthened by the Stiffener
Park, Sung-Moo ; Kim, Sung-Su ; Kim, Won-Ho ; Lee, Hyung-Seok ;
Journal of the Korean Association for Spatial Structures, volume 2, issue 2, 2002, Pages 51~58
This paper is presented an experimental studies on bond stress between steel and concrete in concrete filled steel tubes. In the actual building frames, vertical dead and live loads on beams are usually transferred to columns by beam-to-column connections. In case when concrete filled steel tubes are used as columns of an actual building frame which has a simple connection, shear forces in the beam ends are not directly transferred to the concrete core but directly to the steel tube. Provided that the bond effect between steel tube and concrete core should not be expected, none of the end shear in the beams would be transferred to the concrete core but only to the steel tube. Therefore, it is important to investigate the bond strength between steel tube and concrete core in the absence of shear connectors.
A Study on Estimated Stiffness and Mass Matrices from Modal Data at Measured Points
Han, Dong-Ho ; Lee, Chy-Hyoung ; Yoon, Sung-Kee ;
Journal of the Korean Association for Spatial Structures, volume 2, issue 2, 2002, Pages 59~67
In this study, a method that estimates stiffness and mass matrices of shear building from modal test data is presented. This method applied of building depends on the number of measurement points that are less in number than the total structural degrees of freedom, and on the first two orders of structural mode measured. By means of this method it is possible to use modal data of unmeasurable points to estimate total stiffness and mass matrices of structure. Some examples are studied in this paper, and its result shows that this method is reliable.
A Study on the Shape-Determination for Tensegrity Unit-Structures
Ko, Kwang-Ung ; Kwun, Ik-No ; Kwun, Taek-Jin ;
Journal of the Korean Association for Spatial Structures, volume 2, issue 2, 2002, Pages 69~76
The basic systems of spatial structures such as shells, membranes, cable-nets and tensegrity structures have been developed to create the large spaces without column. But there are some difficulties concerning structural stability, surface formation and construction method. Tensegrity systems are flexible structures which are reticulated spatial structures composed of compressive members and cables. The rigidification of tensegrity systems is related to selfstress states which can be achieved only when geometrical and mechanical requirements are simultaneously satisfied. In this paper, the force density method allowing form-finding for tensegrity systems is presented. And various modules of unit-structures are investigated and discussed using the force density method. Also, a model of double-layered single curvature arch with quadruplex using supplementary cable is presented.