• Journal of Korean Association for Spatial Structures
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• v.7 no.3 s.25
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• pp.97-107
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• 2007

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.

• Journal of Korean Association for Spatial Structures
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• v.7 no.3 s.25
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• pp.67-77
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• 2007

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.

• Proceeding of KASS Symposium
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• 2008.05a
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• pp.27-30
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• 2008

Even though the frequency of constructing spatial structure is increasing currently, the problem is that no efficient medium to provide information of goof quality on spatial structure is existed. The information is available only for some limited number of major construction companies with experiences, not for the academic world, officials. It costs us much time and money gaining the information for spatial structure without integrated media. Thus the purpose of this study is to develop an integrated web database model for spatial structure.

• 건축구조
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• v.13 no.3
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• pp.82-83
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• 2006

1988년. 온 국민에게 우리도 할 수있다는 자신감과 대한민국 국민이라는 자부심을 심어준 서울 올림픽. 올픽사상 최고의 시설을 갖추었다는 극찬을 받기도 했던 그 화합의 현장이 지금은 공연을 보러가는, 산책하러가는 곳으로만 인식 되고 있는 안타까운 현실이다. 이 올림픽공원을 다시금 활성화시킬, Land mark의 역할을 수행할 복합전망공간을 제안한다.

• Computational Structural Engineering
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• v.13 no.1
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• pp.67-78
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• 2000

• 건축구조
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• v.14 no.3
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• pp.94-95
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• 2007

• Journal of the Computational Structural Engineering Institute of Korea
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• v.33 no.6
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• pp.351-358
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• 2020

This paper presents a tuned mass damper (TMD) utilizing a parametric design technique to reduce the dynamic responses to seismic loads of retractable large spatial structures. An artificial intelligence algorithm was developed to automatically search for the installation position of the damping device. This enables confirming the dynamic response of the structure in real time while finding the optimum position for the damping device. Further, the optimum mass of the damping device is determined from among several alternatives, and a design that can be effectively applied to both open and closed conditions of the roof is obtained.

• Journal of the Computational Structural Engineering Institute of Korea
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• v.19 no.2 s.72
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• pp.187-194
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• 2006

Generally, earthquake-resistant structural systems have to ensure the sufficient stiffness and ductility for stability In this paper, the spatial structures are applied an isolation system to boundary parts between roof systems and sub-structures. So, it is necessary to examine the characteristics of dynamic behaviors of spatial structures governed by higher modes rather than lower modes different from the cases of high-rise buildings. The objectives of this paper are to develop the equivalent lumped mass model to simplify an analytical processes and to investigate the dynamic behaviors of roof systems according to the mass and stiffness of sub-structures as a fundamental study of performance design for the spatial structures.

• Journal of Korean Association for Spatial Structures
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• v.8 no.6
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• pp.59-66
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• 2008

Seismic safety is more important for large spatial structure such as theaters, stadiums, gymnasiums since these structure are public goods. It is, however, difficult to understand behavior taking place when large spatial structure which has variety of structural system and shape receives seismic load. On this study, the natural vibration mode of arch structure which is main structural element of the large spatial structure, is checked. And then, when the artificial earthquake ground motion is applied to arch structure, it is more affective by long period component than magnitude of design acceleration spectrum.

• Journal of the Computational Structural Engineering Institute of Korea
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• v.30 no.2
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• pp.103-110
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• 2017

In this paper, it is covered in detail the process of generating structural alternatives with geometry change and its optimization by StrAuto. The main roof structure of the Exhibition Center is modelled parametrically and the optimal alt is derived by observing volume changes according to geometry change of main roof truss. Existing studies performed optimization process through sections and properties due to the limitations of shape change, but this study have meaning of performing the optimization with geometry changes which is the most critical skills of StrAuto. By the process of securing a sufficient margin by geometry changes and reducing volume with the optimization of sections, despite of a partial optimization of large space structure, it could be reduced by 11.7% of the total volume.