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범용 생산설비를 활용한 PC 더블월 제작 및 시공성에 관한 연구
박순전,Park, Soon-Jeon 한국건축시공학회 2023 한국건축시공학회지 Vol.23 No.4
This study introduces the development of a precast concrete double-wall, applicable to basement construction in apartment buildings. Unlike traditional precast concrete double walls, the developed double-wall doesn't require specialized manufacturing equipment such as a lathe. The constructability of these advanced technologies was validated through a full-scale mock-up test using the precast concrete double wall. The test specimens were constructed to represent a structural wall with a thickness of 250mm. It was observed that the quality of the in-situ concrete, filled between two single panels of 110mm thickness each, was excellent. The construction efficiency of the developed double-wall system for basement construction in an apartment building was also examined. Expert interviews about installation times of precast concrete elements were conducted to evaluate the speed of the basement floor's installation. The results showed that installation of precast concrete elements, including the proposed double walls, could be completed within 20 to 29 days for a basement in an apartment building. This indicates a three-fold increase in construction efficiency compared to traditional methods relying on in-situ casting.
지하주차장과 아파트 연결 벽체의 균열 원인 분석 및 저감방안 연구
심학보 ( Shim Hak-bo ),박순전 ( Park Soon-jeon ) 한국건축시공학회 2020 한국건축시공학회 학술발표대회 논문집 Vol.20 No.1
Cracks are caused by drying shrinkage between the upper part of the underground parking lot and the apartment wall. As a result of the investigation, the distance between the apartment and the apartment is more than 45m, and the top slab of the underground parking lot is usually flat when there is not with steps. Therefore, the crack occurs more when the underground parking lot is a PC slab than a RC slab. In this study, the reduction of cracks was conducted by extending the slab, expanding the beam size, increasing the wall thickness, and installing a delay joint on slab. In each case, a finite element analysis was performed to examine the crack reduction method.
심학보 ( Shim Hak Bo ),박순전 ( Park Soon Jeon ) 한국구조물진단유지관리공학회 2009 한국구조물진단유지관리공학회 학술발표대회 논문집 Vol.13 No.1
This research accomplished the seismic perfomance evaluation in the domestiv airport facility underground parking by the seismic design standard of airport facility. The seismic perfomance evaluation for the design ground motion decision and liquefaction was accomplished in the two-dimensional elastic-plastic dynamic analysis. This study presented analysis model, analysis methed and design procedure suited to perfomance level.
심학보(Shim, Hak Bo),박순전(Park, Soon Jeon) 한국구조물진단유지관리학회 2009 한국구조물진단학회 학술발표회논문집 Vol.2009 No.1
This research accomplished the seismic perfomance evaluation in the domestiv airport facility underground parking by the seismic design standard of airport facility. The seismic perfomance evaluation for the design ground motion decision and liquefaction was accomplished in the two-dimensional elastic-plastic dynamic analysis. This study presented analysis model, analysis methed and design procedure suited to perfomance level.
심학보,박순전,고주환,Shim, Hak-Bo,Park, Soon-Joen,Ko, Joo-Hwan 대한건축학회 2011 대한건축학회논문집 Vol.27 No.8
A lot of push-out tests of shear studs embedded in normal strength concrete were conducted. So current design code methods of the shear studs are based on the test results of studs embedded in normal strength concrete. It also appeared that the strength of connector and the concrete strength are the main factors affecting the behavior of shear connections. But push-out test data of studs embedded in high strength concrete is insufficient until today. So it is necessary to evaluate the load-slip behavior and the shear capacity of studs embedded in high strength concrete for the appropriate design code. In this paper, it was performed push-out tests of shear studs embedded in high strength concrete and fiber reinforced concrete used widely in high-rise building. Experimental push-out tests were used to evaluate both the shear stud capacity and the load-slip curve of the connector. And the results of the finite element model are compared with push-out tests and the values given in current codes of practice.