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보강상세에 따른 철골 플레이트 커플링보의 내진성능 평가를 위한 실험 연구
이경훈(Lee Kyung-Hwun),송한범(Song Han-Beom),이원호(Yi Waon-Ho),양원직(Yang Won-Jik),태경훈(Tae Kyung-Hoon),남상욱(Nam Sang-Uk) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.4
Reinforced concrete coupled shear walls in tall buildings are known as efficient structural systems to provide lateral resistance to wind and earthquake. The coupling beams connecting two shear walls are normally subjected to very high shear stresses and must before the wall piers, behave in a ductile manner, and exhibit significant energy dissipation characteristic. This paper reports experimental study to investigate the behavior and shear force of the steel plate reinforced concrete coupling beans with stud shear connector, deformed reinforcement, and channel under cyclic loading. In the test program, 3 steel plate coupling beam specimens are constructed and tested. The main variables in the test program were the attached reinforcement details of steel plate. Steel plate reinforced coupling beams with concrete were tested to evaluate their failure mode, shear behavior, stiffness characteristic, energy dissipation, and plate strain. The results of these experiments demonstrate that it is possible to significantly improve the strength, displacement capacity, energy absorption of shear deficient reinforced concrete coupling beams.
남상욱(Nam Sang-Uk),송한범(Song Han-Beom),이원호(Yi Waon-Ho),태경훈(Tae Kyung-Hoon),강대언(Kang Dae-Eon),양원직(Yang Won-Jik) 대한건축학회 2008 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.28 No.1(구조계)
These structures are exposed to damage from sea wind caused by proportional salt from the sea, environmental pollution of the atmosphere caused by economic growth and increased traffic load from the land, and acidic rain which result in damaging the reinforced concrete and economic losses. The environmental factors accelerate the corrosion of the reinforcement and the products that formed from the corrosion process generate expansive pressure within the concrete that cause the cracks or delamination on the surface of the concrete. The accelerated corrosion of the reinforcement cause problems in durability of the reinforcement concrete by reducing effective area of the concrete, reducing cross section of the reinforcement which results in reduced mechanical efficiency of the reinforcement, and reducing internal forces which is caused by reduced reinforcement/concrete adhesive forces. Inefficient durability caused by corrosion of the main bar and hoof of the reinforced concrete column members that hold the entire building structures may bring damage such as destruction of the entire structure, and currently, there has been a lot of interests shown on this area as such accidents have occurred often internationally around the globe.
PSC 공법을 적용한 장경간 지하 구조물의 보-기둥 접합부에 대한 실험 연구
남상욱(Nam Sang-Uk),송한범(Song Han-Beom),이원호(Yi Waon-Ho),백영수(Baik Young-Soo),태경훈(Tae Kyung-Hoon),강영웅(Kang Young-Woong) 대한건축학회 2007 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.27 No.1
The objective of this work is based on the comparison on behaviors of reinforced concrete and prestressed concrete beam-column joint, which have similar dimensions and design strengths. A comprehensive experimental test involving 1 reinforced concrete and 2 prestressed concrete beam-column joint specimens has been performed. Through experimental test, the behavior of typical prestressed concrete beam-column joint was established.
이원호(Yi Waon-Ho),윤현도(Yun Hyun-Do),이재연(Lee Jae-Yeon),최창식(Choi Chang-Sik),송한범(Song Han-Beom),태경훈(Tae Kyung-Hoon) 대한건축학회 2003 大韓建築學會論文集 : 構造系 Vol.19 No.3
Structural steel beams provide a viable alternative for coupling individual reinforced concrete wall piers. Such steel coupling beams offer more advantages for cases where height restrictions do not permit the use of reinforced concrete beams which are typically deep, or where the required capacities and stiffness cannot be developed economically by a concrete beam. To achieve better ductility and energy absorption than previously possible one, the use of steel link beams with their ends embedded in the reinforced concrete walls is proposed. Preliminary experimental results are reported for four two third scale reversed cyclic-loading tests of portions of ductile flexural walls coupled with steel link beams. The excellent performance, together with the ease of construction, demonstrate the feasibility of this alternative form of construction. To ensure ductile response, design and detailing guidelines for both the clear span and embedded portions of the link beams and the reinforced concrete embedment region are presented. An assessment, based on comparisons with other structural systems, of this new type of construction is presented.
이원호,윤현도,강대언,송한범,태경훈,박완신 대한건축학회 2004 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.24 No.1(구조계)
Ductile coupled flexural wall is the primary seismic load resisting system of buildings. In these systems, connections are generally headed stud bolt connection. The purpose of experimental study is to evaluate the seismic behavior of these connection under cyclic loading. A comprehensive experimental test involving 4 specimens has been performed and this program is used to study the effect of value of moment and edge distance. Through experimental test, the seismic behavior of typical headed stud bolt connections was established.