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핀을 가진 원통형 보강재로 보강된 구조물의 진동 특성에 관한 연구
김현수(H. S. Kim),박정호(J. H. Park),조우석(W. S. Cho),김형준(H. J. Kim),최태원(T. W. Choi) 대한기계학회 2002 대한기계학회 춘추학술대회 Vol.2002 No.10
In general, the reinforcement of a structure is performed with cylinders. In this study, it is attempted to analyze the circular reinforcement with fins. And the natural frequency is investigated for the circular reinforcement between two plates. The shape of models are : one which has only circular reinforcements of different diameters and one which has circular reinforcements with fins and one which has fin of same length and circular cylinders of different diameters. And in each model, there are two kinds; one is with upper and lower plates and the other with none.
다구찌 기법을 이용한 가설구조물의 형상설계에 관한 연구
이재섭(Lee J.S),김형준(Kim H.J),박준홍(Park J.H),김현수(Kim H.S),조우석(Cho W.S) 대한기계학회 2007 대한기계학회 춘추학술대회 Vol.2007 No.6
A temporary structure is a framework of metal poles and planks, used as a working platform from which building repairs or construction can be carried out safety. The manufacturing process of the existing model consumes a many hour. So, it is modified manufacturing process. In this study, it is attempted to find out the shape of modified working platform considering manufacturing process and using Taguchi method, and it reduces production process. The design parameters are defined to discribe shape of model. As a result of the shape design, maximum Von-Mises stress and displacement considering a safety factor were satisfied with CTEA (Construction Temporary Equipment Association of Korea) standard.