• 제목/요약/키워드: P.C. Panel (Precast Concrete Panel)

검색결과 17건 처리시간 0.022초

일방향 단순 횡하중을 받는 P.C판 조립식구조 실물 Subassemblage의 구조거동에 대한 실험적 연구 (An Experiment Study on the Structural Behavior of Full-scale Subassemblage Subjected to Monotonic Loads in Precast Concrete Panel Structres)

  • 윤재진;정란;이수곤
    • 콘크리트학회지
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    • 제3권2호
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    • pp.133-145
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    • 1991
  • The essential difference between precast concrete structures and in situ concrete structures lies in the precast concrete panel structres, it is necessary to understand the bahavior of joints and their implications regarding overall structural behavior. Form such a point of view, this experimental study observes the components and joint behavior under the stress states expected of precast concrete panel structures subjected to lateral loads. 2 full-scale subassemblages were fabricated and tested. The test results show that the characteristics of horizontsl joints and wall coupling beams mainly govern the whole hahavior of P.C. structres.

P.C 대형판넬 부분구조물의 Quasi-Static 실험연구 (Quasi-Static Test of Precast Concrete Large Panel Subassemblage)

  • 최정수;이한선;김우;홍갑표
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1990년도 가을 학술발표회 논문집
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    • pp.73-78
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    • 1990
  • Large panel building systems are composed of vertical wall panels which support horizontal roof and floor panels to form a box like structure. The simplecity of the connections, which makes precast concrete economically viable, causes a lack of continuity in stiffness, strength and ductility. This precast concrete large panel systems typically have weak connection regions. Three types of 2-story full-scale precast concrete subassemblages were tested under reversed cyclic loading. The seismic resistance capacity and failure mode of each system are compared in connection with the characteristics of joint connection details.

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수직접합부 강성을 고려한 프리캐스트 콘크리트 대형판구조물의 응력해석 (Stress Analysis of Precast Concrete Large Panel Structures Taking Account of Stiffness of Vertical Joints)

  • 장극관;이한선;신영식;류진호
    • 한국전산구조공학회:학술대회논문집
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    • 한국전산구조공학회 1993년도 가을 학술발표회논문집
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    • pp.149-156
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    • 1993
  • Precast concrete (P.C.) large panel structures have usually weaker stiffness at joints than that of monolithic in-situ reinforced concrete structures. But structural designers do not in general take into account this characteristics of P. C. large panel structures and use the same analytical models as for the monolithic structure. Therefore, the results of analysis obtained by using these models may be quite different from those actually occuring in real P.C. structure. In this study, the change in force and stress distribution and deflections of structure caused by applying lower shear stiffness at vertical joints are investigated through trying several finite element modeling schemes specific for P.C. structures. Finally, for engineers in practice. a simplified model, which takes account of the effect of lower shear stiffness at vertical joints, is proposed with the understanding on possible amount of errors.

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P.C. 대형판 구조물의 수평접합부 유효강성에 대한 정량적 분석 (Quantitative Analysis on Effective Stiffness of Horizontal Joints in Precast Concrete Large Panel Structures)

  • 이한선;장극관;신영식
    • 콘크리트학회지
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    • 제6권3호
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    • pp.142-151
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    • 1994
  • 프리캐스트 콘크리트 대형판 구조물에 있어서 접합부의 강성은 일반적으로 일체식 철근 콘클리트 벽식구조물에 비하여 떨어지는 것으로 알려져있으나 이들 강성에 대한 정량적인 값에 대한 정보가 매우 부족한 실정이다. 이 논문은 몇가지 실험으로부터 도출된 해석적 결과에 근거하여 특히 수평접합부의 압축강도에 관한 정량적 정보를 제공하는 것을 목적으로 한다. 또한 접촉문제로부터의 접근에 의해 구해진 수평접합부의 압축강성값이 위에서 얻은 값들과 매우 유사함을 보여주고 있다.

고층 P.C 아파트의 접합부 설계 (Design Considerations of Connections in High-Rise P.C. Apartments)

  • 정하선;김두영
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1989년도 가을 학술발표회 논문집
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    • pp.59-62
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    • 1989
  • Construction of high-rise precast concrete apartment is an atractive alternative solution for severe shortage of residential facilities, especially in metropolitan areas in Korea. New building regulations enforced since 1988 requires all buildings higher than 6 storeys to be designed for earthquake. However, we hardly have any experience on seismic design of precast concrete buildings. This paper deals with methodology of seismic design and design considerations of connections for the large panel structures. Also addressed in this paper are studies needed to develop proper seismic design procedures of precast concrete buildings.

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수직접합부 강성을 고려한 프리캐스트 콘크리트 대형판구조물의 해석모델 (Analytical Modeling of Precast Concrete Large Panel Structures Taking Account of Stiffness of Vertical Joints)

  • 이한선;장극관;신영식
    • 전산구조공학
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    • 제7권3호
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    • pp.105-113
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    • 1994
  • 프리캐스트 콘크리트(P.C) 대형판 구조물은 일체식 현장타설 철근콘크리트 구조물에 비하여 보통 접합부에서 약한 강성을 가지고 있다. 그러나 일반적으로 실무에서 이러한 P.C대형판 구조물의 특성이 고려되지 않고 있으며 일체식 구조물에서와 동일한 해석모델을 사용하고 있는 실정이다. 따라서 이러한 모델을 사용하요 얻은 해석결과는 실제 P.C구조물에서의 발생하는 것들과 매우 상이할 수 있다. 본 연구에서는 이P.C구조물의 해석에 적합한 몇가지 유한요소모델을 시도해 봄으로써 수직접합부에 실제의 낮은 전단강성을 적용함으로 인해 발생하는 구조물에서의 힘과 응력분포 및 처짐의 변화를 관찰하여 보았다. 마지막으로 실부자들을 위해 수직접합부 전단강성의 영향을 감안한 단순화된 모델이 오차범위에 대한 이해를 전제로 하여 제안되고 있다.

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대형판 프리캐스트 콘크리트 구조 수평접합부의 전단내력에 대한 실험적 연구 (An Experimental Study on the Shear Resistance of Horizontal Joints in Precast Concrete Large Panel Structures)

  • 정창용;현원창;엄철환;어양석;김상식
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1992년도 가을 학술발표회 논문집
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    • pp.208-213
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    • 1992
  • This research is related to the experimental verification of the shear resistance of horizontal joint in precast concrete large panel structures. a total of 9 spicemens was tested to assess their shear resistance. In the tests lateral forces have been applied to the specimen to cause shear failure while keeping the axial compression consistantly. The shear resistances of the specimens have been evaluated by investigating the deformations and failure modes of the specimens. From the test results, it is observed that the shear resistance of the horizontal joints of P.C panel structures are closely connected with shear friction mechanism.

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1/3축소 3층 삼환까뮤 P.C 모델의 진동대 실험 (Shaking Table Test of 1/3-Scale 3-Story Sam-Hwan Camus Precast Concrete Model)

  • 이한선
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1992년도 가을 학술발표회 논문집
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    • pp.140-154
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    • 1992
  • The objective of the research stated here was aimed at providing the information needed to establish the Korean Seismic Design Code Recommendations and Guides for precast concrete (P.C) large panel apartment buildings. This was accomplished by investigation and analysis of the response of P.C large panel structures subjected to shaking table excitation simulating earthquake ground motion. one of the test specimens used was 1/3-scaled 3-story box P.C model provided by Sam-Hwan Camus Corporation. The 4m $\times$4m shaking table was used to simulate the earthquake ground motion. the employed input accelerogram was the one recorded as Taft N21E component and the peak ground acceleration(PGA) was scaled depending on the desired level of seismic severity and the time according to dynamic similitude rule. Based on results obtained from shaking table test of this P.C model, the following conclusions were drawn . (1) As far as test specimen is concerned, the seismic safety factors turns out to be 7~8. (2)P.C model has damping ratio of about8% which is twice larger than in-situ R.C. structure. And (3)this model has global displacement ductility ratio of 2~3 through the energy dissipation by opening and sliding of joints.

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프리캐스트 콘크리트 대형판 구조물의 1/5 축소모델 제작 및 실험기법 연구 (A Study on Manufacturing and Experimental Techniques for the 1/5th Scale Model of Precast Concrete Large Panel Structure)

  • 김상규;이한선
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1995년도 가을 학술발표회 논문집
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    • pp.198-203
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    • 1995
  • The objective of this study is to provide the information on the techniques of manufacturing and experiment in small scale modeling of precast concrete(P.C.)large panel structures. The adopted scale was 1/5th 4types of experiments were performed : material tests for model concrete and model reinforcement, compressive test of horizontal joint, shear test of vertical joint and cyclic static test of 2-story subassemblage structure. Based on the experimental results, the following conclusions are drawn: (1)Model concrete may have in general larger compressive strength than expected. (2) Model reinforcement can show less ductility if the annealing processes were performed without using vaccuum tube. (3) Failure modes of horizontal and vertical joints were almost same for both prototype and model. But the strength of model appears to be higher than required by similitude law. (4)Hysteretic behavior of 1/5 scale subassemblage model can be made quite similar to prototype's if the ductility of model reinforcement and compressive strength of model concrete could be representative of those of prototype.

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프리캐스트 콘크리트 대형판구조물의 수평접합부 유효강성 (Effective Stiffness of Horizontal Joints in Precast Concrete Large Panel Structures)

  • 장극관;이한선;신영식;류진호
    • 한국콘크리트학회:학술대회논문집
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    • 한국콘크리트학회 1993년도 가을 학술발표회 논문집
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    • pp.278-283
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    • 1993
  • Though stiffnesses of joints in precast concrete (P.C) large structures are known to be generally less than those in monolithic reinforced concrete wall structures, designers have very little information on the quantitative values with regards to these stiffnesses. The aim of this paper is to provide this quantitative information, in particular, on the compressive stiffness of horizontal joints, based on the analytical results derived from several experiments. Also, it is shown that the approach from the contact problem to determine this stiffness gives a value very similar to those obtained above.

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