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전단벽식 공동주택의 부재 물성치 및 크기 변화에 따른 슬래브 수직진동 저감 효과
전호민,유승민,Chun Ho-Min,Yoo Seung-Min 한국주거학회 2006 한국주거학회 논문집 Vol.17 No.3
Vertical vibrations on the slab of buildings are affected by types of vibration sources, transfer paths, and the material property and the size of members. Among these parameters, the vibration sources and the transfer path can not be controlled, but the property and the size of members can be controlled in the phase of design the members. In this study, the vibration responses according to the property and size of members were obtained by using a prediction program based on dynamic-stiffness matrix. Three parameters which are not usually considered as major factors for architecral planning were selected fur these analyses. They are the strength of materials, the thickness of wall and the thickness of slab. The ground vibration source located near a building was used as vibration input data in the analyses. This study has its originality on presenting appropriate property and size of structural members in order to reduce vertical vibration of slab in shear-wall structures. Analysing the results from the vibration estimation program according to the variations of parameters, the appropriate ratio among the sizes of structural members were proposed. From these results, the vibration level on the slab which is not constructed yet would be predicted and the vibration peak level can be reduced or shifted into the desirable frequency range. Therefore, the vertical vibration could be controlled in the phase of designing buildings.
전호민(Ho Min Chun) 한국강구조학회 2004 韓國鋼構造學會誌 Vol.16 No.3
건축물에 가해지는 여러 진동원에 대하여 건축구조물 및 거주하는 사람에 대한 안전 및 거주성을 확보하기 위하여 많은 연구가 이루어져 왔다. 본 원고에서는 일본의 자료를 참고로 하여 제진방법 가운데 면진 구조에 대하여 서술하였으며, 원리와 목적, 면진장치의 역학적 특성, 실제 적용 예에 대하여 쉽게 서술하여 기본적인 개념을 정리하는 데 도움을 주고자 하였다.
철골조 바닥구조의 진동저감을 위한 샌드위치형 점탄성 감쇠장치의 적용성에 관한 연구
전호민(Chun Ho-Min),정지현(Jung Ji-Hyun),이성수(Lee Seong-Soo),홍갑표(Hong Kap-Pyo) 대한건축학회 2010 大韓建築學會論文集 : 構造系 Vol.26 No.11
The structure systems of slab in the steel structure to increase the efficiency of the internal structure system use the long span and the lightweight construction materials. However, the floor structure system with the long span and the lightweight materials will increase the response of the vibration by the people's walking, the vibration of equipment/facilities, and the other impact force. Because the response of the vibration according to the serviceability of the building is increasing, effective vibration reduction method to the floor structure is required. The stiffness increasing method using enlarging the size of the structure member reduce the vibrations of the floor structure, but the structure system have limited on the cost according to increasing in the weight and floor height. The most effective method is to increase the damping of the structures to reduce costs without increasing the size and stiffness of members. In this study, the constrained viscoelastic layer damper was suggested to improve the damping performance for reducing the vibration of slab in the steel structure. After the constrained viscoelastic layer damper was installed in the experimental structure, the experiments were conducted using loads by the walking and the impact ball. The suggestion method was verified as effective method to reduce vibration of the floor structure.
전단벽식 건축구조물 수직진동의 수평방향 전달특성에 관한 실험연구
전호민(Chun, Ho-Min) 한국소음진동공학회 2006 한국소음진동공학회 논문집 Vol.16 No.3
In general, the vertical vibration problems for strength of members and serviceability of building structures are not considered in structural design process, but the prediction of the vertical vibration is very important and essential to structural design process. This study aims to investigate the characteristics of vertical vibration in terms of the transfer of horizontal directions to near-rooms on the shear wall building structures. In order to examine the characteristics of vertical vibration, the modal test and the impact (heel-drop and hammer) excitation experiments were conducted several times on two building structure. The results from the experiments are analyzed and compared with the results. The results of this study suggest that the characteristics of vertical vibration transfer in horizontal way are effected from the fundamental frequency of the slabs, and are effected the shear wall on the Path of the vibration transfer.
전단내력벽식 건축구조물의 슬래브 수직진동 예측을 위한 바닥슬래브 모형화에 관한 연구
전호민(Chun Ho-Min),유승민(Yoo Seung-Min) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.5
Recently in urban life, vibration in building structure to traffic loads is one of the urgent issues to be solved for users. Only a few researches on the prediction of the vibration due to traffic load have been performed in the open literature. In the modelling of floor to analysis with estimation program, there is difference in vertical vibration level between experimental value and analysis value according to the shape of floor model in the building. This study has its originality on presenting a modelling method for the slab of shear bearing wall structural system to predict accurate vertical vibration of floor. After analysing by using proposed vibration estimation program, a comparison between the results by present program analysis and the results of experiment is conducted to prove the validity of the modelling of the slab. As a results, the slab model enclosed by shear walls is given to make the analysis results similar to the result of experiments.