Journal of the Computational Structural Engineering Institute of Korea (한국전산구조공학회논문집)

Computational Structural Engineering Institute of Korea (한국전산구조공학회)
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Three Dimensional Construction Stage Analysis and Deformation Monitoring of a Reinforced Concrete Highrise Building

철근콘크리트조 초고층건물의 3차원 시공단계 해석 및 시공중 변형 계측

  • Jeong, Daegye (Dept, of Architectural of Engineering, HanYang Univ.) ;
  • Yu, Eunjong (Dept, of Architectural of Engineering, HanYang Univ.) ;
  • Ha, Taehun (Daewoo Institute of Construction Technology, Daewoo E&C Co. Ltd.) ;
  • Lee, Sungho (Daewoo Institute of Construction Technology, Daewoo E&C Co. Ltd.)
  • Received : 2014.10.24
  • Accepted : 2014.11.20
  • Published : 2014.12.31
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Abstract

In this paper, axial strains and lateral displacements of columns in a 58-story reinforced concrete building were measured using vibrating wire gauge and laser scanner, respectively, and compared with predicted values. Predictions were obtained using ASAP, which is a 3D construction stage analysis program developed based on PCA report. Comparisons indicated that columns in the middle of floor plan showed good correlation with predictions. However, the columns in the corners showed some deviations. Lateral displacement of columns between measurement and estimation showed similar trends but considerable deviations, which are seemingly caused by construction error of column faces, and inaccuracy in differential vertical displacement prediction.

본 논문에서는 현재 시공중인 58층의 철근콘크리트조 고층건물에서 진동현식게이지를 통해 계측된 기둥의 축방향 변형률과 레이져 스캐닝을 통해 구한 횡변위를 3차원 시공단계해석에 의한 예측치와 비교하였다. 예측치는 ACI 209와 PCA의 재료모델식, PCA report의 축소량 산정알고리즘을 3차원 구조해석 프로그램으로 개발한 ASAP을 사용하여 구하였다. 비교결과 평면의 중앙부 기둥의 축방향 변형율 계측치는 시공단계 해석치와 거의 유사한 결과를 나타내었으나 각 모서리에 두 개씩 배치된 기둥의 경우 비교적 큰 오차를 나타내었다. 레이져 스캐닝에 의한 횡변위 계측결과는 해석결과와 유사한 경향을 보였으나 층당 계측치가 큰 변동을 나타내므로 향후 이를 해결하기 위한 계측 및 데이터 처리기법이 요구된다.

Keywords

References

  1. Eom, T.S., Kim, J.Y. (2009) An Application of Construction Sequence Analysis for Checking Structural Stability of High-Rise Building under Construction, J. Comput. Struct. Eng. Inst. Korea, 22(3), pp.211-221.
  2. Fintel, M., Ghosh, S.K., Iyengar, H. (1987) Column Shortening in Tall Structure - Prediction and Compensation, Portland Cement Association.
  3. Gilbert, R.I., Ranzi, G. (2010) Time-dependent Behaviour of Concrete Structures, CRC Press.
  4. Ha, T.H., Lee, S.H. (2012) Advanced Staged Analysis Program for Precise Construction of RC Tall Buildings, Mag. Korea Concr. Inst., 24(4), pp.34-38.
  5. Kim, H.S., Cho, S.H., Kim, D.K. (2003) Analysis and Field Measurement of Column Shortening of RC Cores and SRC Columns in Tall Buildin, J. Archit. Inst. Korea Struct. & Constr., Architectural Institute of Korea, 19(11), pp.49-56.
  6. Kim, Y.S., Chung, Y.B., Park, H.S. (2002) Measurement of Lateral Displacements of High-rise Buildings Using GPS, Proc. Archit. Inst. Korea, Architectural Institute of Korea, 22(2), pp.237-240.
  7. Lee, K.H., Heo, I.W., Kim, D.H., Lee, I.M. (2011) The Construction Management of Tunnel using 3D Laser Scanner, J. Korean Tunn. & Undergr. Space Assoc., 14(3), pp.159-176.
  8. Lee, S.H., Ha, T.H., Oh, B.H. (2011) Evaluation of Building Movement during Construction using 3D Laser Scanning Method, Proc. Korea Concr. Inst., Korea Concrete. Institute, pp.639-640.
  9. Lee, S.H., Ha, T.H., Tak, S.Y. (2013) Prediction of Lateral Deformation of Tall Buildings during Construction, Proc. Korea Concr. Inst., Korea Concrete. Institute, pp.73-74.
  10. Yang, H.M., Kim, J.Y., Eom, T.S., Jang, D.W. (2012) The Simplified Construction Sequence Analysis Applicable to the Early Design Phase of Tall Buildings, Archit. Inst. Korea, 28(11), pp.91-98.