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양원직,이원호,Yang. Wonjik,Yi. Waonho 한국방재학회 2013 한국방재학회논문집 Vol.13 No.6
최근 전 세계적으로 지진의 발생빈도가 증가하는 경향을 보이며 일부는 지진해일을 동반한 대규모 피해가 발생하고 있다. 2004년 12월 26일 인도네시아 수마트라 지진해일은 약 30만명의 인명피해와 100억 달러 이상의 재산피해가 발생하였으며, 2011년 3월 11일 일본 동북지방 태평양 연안 지진해일은 15,800여명의 인명피해와 25조엔 이상의 재산피해가 발생했다. 이러한 추세에도 불구하고 국내에서는 지진해일에 대한 국내 건축물의 대비책은 전무한 실정이다. 따라서 본 연구에서는 해일에 의한 건축물의 안전성 평가를 위하여 해일의 파력 및 건축물의 내력 평가방법을 소개한다. 또한 국내 건축물에 80%이상을 차지하고 있는 연안가 조적조 건축물에 대한 안전성을 침수심 깊이에 따라 평가하였다. The tsunami that hit Indonesia on December 26, 2004 took the lives of about 300,000 people and caused massive property damage amounting to more than 10 billion dollars. Another earthquake hit the northeastern coast of Japan on March 11, 2011 and triggered a tsunami that battered Japan`s coast, killing 15,800 and causing property damage amounting to 25 trillion yen. Despite this trend, no feasible actions have been taken on the buildings in Korea to reduce tsunami-induced damage. Therefore, this study will present the method of building`s resistance force evaluation and wave force for the building`s safety for the tsunami. Then, according to the inundation depth we examined the safety evaluation of masonry buildings in the shore that occupy more than 80% in Korean buildings.
에코인공경량콘크리트를 사용한 플랫플레이트 슬래브-기둥 접합부의 뚫림전단 성능 및 보강효과
양원직(Yang Won-Jik),이원호(Yi Waon-Ho),지석원(Jee Suk-Won),이학수(Lee Hak-Su) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.8
Reach on the high-strength lightweight concrete and the flat plate slab system have been doing for reducing dead load of structure and the maximum of doing the use area. But the lightweight concrete has a weak on the shear behavior, and flat plate slab is need to punching shear reinforcement at the critical section of around of columns. Typical shear reinforcement methods are stirrup and stud rail method. Two methods respectively have a disadvantage of economic efficiency and construction efficiency. Consequently, the objective of this study is to investigate in punching shear performance of flat plate slab using the lightweight concrete. Also shear reinforcement method is proposed for maximizing economic efficiency and construction efficiency, and that is compared with the conventional reinforcement method.
뉴랄-네트워크의 실시간 이력특성 동정기법에 의한 부분구조 유사동적 실험
양원직(Yang Won-Jik) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.3
In general, hysteresis models that are applied to a numerical analysis part of substructure on-line tests do not refer to an experimental behavior of members/subassemblage under loading tests on real-time basis. The objective of this study is to develop a new experimental technique for substructure on-line tests based on nonlinear hysteresis characteristics estimated with a neural network. New learning algorithms proposed by the authors are applied to substructure on-line tests and their results are compared with those by conventional test schemes. The results show that the new testingscheme successfully reproduce the dynamic behavior of model structure.
중공 PC기둥을 사용한 플랫 플레이트 슬래브-기둥 접합부의 전단보강
양원직(Yang Won-Jik),오상훈(Oh Sang-Hoon),이원호(Yi Waon-Ho) 대한건축학회 2009 大韓建築學會論文集 : 構造系 Vol.25 No.4
Recently, Construction Business, is changing very quickly, exceedingly needs to slim down the expensive by material costs and term of works. Because of that reason, new technologies of construction studies are very popular. It is part of a Shell PC column. Therefore, intend of study was to investigate the response of column-slab connection of Shell PC column and flat plate slab that has been widely used in high rise buildings. Shear reinforcement methods of column-slab connection joint are two types of stud rail and shear band. Three test specimens are consisted of RC column-slab connection joint shear band(RC-24-B) as reinforcement and Shell PC column-slab connection joint shear band (PC-24-B) and stud rail (RC-24-S) as reinforcement, respectively. The load of test is preformed to combined gravity and cyclic lateral loading. The test results showed that the strength and ductility of the RC-24-B and PC-24-B with the shear band as reinforcement were improved more than PC-24-S with stud rail as reinforcement.