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임홍철(Rhim Hong-Chul),송지윤(Song Jee-Yun),서정호(Seo Jung-Ho) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.10
In recent years, new construction methods and building materials are being developed for more economic and time-saving construction especially for underground structures. In the process of top-down construction, a need for installing perimeter beams to support earth-retaining structures and beams from prefounded columns can cause delay of total construction time. A newly developed opened slab system can eliminate the perimeter beams by forming a slab floor which includes the structural function of the perimeter beams. In this paper, the details of the opened slab system have been described and the results of compressive tests on the opening areas of the slabs. The developed system is currently used in several construction sites and compared with existing methods for its advantages in this paper.
PC계단 공법 성능개선을 위한 현장사례에 근거한 요소기술 분석
임홍철(Rhim Hong-Chul),김욱종(Kim Ook-Jong),조홍덕(Cho Hong-Duk),송지윤(Song Jee-Yun) 대한건축학회 2008 大韓建築學會論文集 : 構造系 Vol.24 No.6
Stairways made by Precast Concrete(PC) are emerging as alternative to traditional Reinforced Concrete(RC) stairways, PC stairs can reduce construction time and cost with improved quality compared to RC stairs. The existing PC stairway construction method often requires the placement of surrounding walls and PC stairways at the same time to secure connection between the two elements. The method described in this paper has the advantage of allowing the construction of walls and stairways in sequence, not together, this is possible because of developed technique for the connection and the other convenient ways for the PC stairways. Application of the method in various construction sites is analyzed and studied for further development.
건축지하공간 개발에 따른 건축구조물의 내진 안전도 평가
김경민(Kim, Kyung-min),조창식(Cho, Chang-Shik),정성훈(Jung, Sung-Hoon),임홍철(Rhim, Hong-Chul),송지윤(Song, Jee-Yun) 한국구조물진단유지관리학회 2010 한국구조물진단학회 학술발표회논문집 Vol.2010 No.1
In cases of deepening of underground space vertically downward or connecting adjacent underground structures horizontally with rigid connections, unexpected displacement and damages to those new underground structures by earthquake would happen, and they could effect on super structures, too. However, to analyse those cases based on the current design code is not easy because underground structures are considered safer than super structures. Therefore, it is necessary to conduct the more accurate seismic analysis on those cases considering soil effects, soil-structure interaction and so on.
건축지하공간 개발에 따른 건축구조물의 내진 안전도 평가
김경민 ( Kim Kyung-min ),조창식 ( Cho Chang-shik ),정성훈 ( Jung Sung-hoon ),임홍철 ( Rhim Hong-chul ),송지윤 ( Song Jee-yun ) 한국구조물진단유지관리공학회 2010 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.14 No.1
In cases of deepening of underground space vertically downward or connecting adjacent underground structures horizontally with rigid connections, unexpected displacement and damages to those new underground structures by earthquake would happen, and they could effect on super structures, too. However, to analyse those cases based on the current design code is not easy because underground structures are considered safer than super structures. Therefore, it is necessary to conduct the more accurate seismic analysis on those cases considering soil effects, soil-structure interaction and so on.