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Simplified Analysis of Three Dimensional Mega Foundations for High-Rise Buildings

Jeong, Sangseom   (Department of Civil and Environmental Engineering, Yonsei University  ); Lee, Jaehwan   (Department of Civil and Environmental Engineering, Yonsei University  ); Cho, Jaeyeon   (Mott MacDonald  );
  • 초록

    In this study, an approximate computer-based method was developed to analyze the behavior of raft and piled raft foundations. Special attention is given to the improved analytical method proposed by considering raft flexibility and soil nonlinearity. The overall objective of this study is to focus on the application of a simplified analysis method for predicting the behavior of sub-structures. Through the comparative studies, it is found that the computer programs (YS-MAT and YSPR), developed in this study, is in agreement with the general trends observed by field measurements. Therefore, YS-MAT (Yonsei-Mat) and YSPR (Yonsei Piled Raft) can be effectively used for the preliminary design of a raft or a piled raft foundation for high-rise buildings.


  • 주제어

    Piled raft .   Raft .   High-rise buildings .   Approximate computer-based method.  

  • 참고문헌 (8)

    1. Choi, C. K. and Lee, W. H. (1996). "Versatile Variable-Node Flat-Shell Element." Journal of Engineering Mechanics, ASCE, 122(5), pp. 432-441. 
    2. Clancy, P. and Randolph M. F. (1993). "An approximate analysis procedure for piled raft foundations." International Journal for Numerical and Analytical Methods in Geomechanics, 17(12), pp. 849-869. 
    3. Kitiyodom, P. and Matsumoto, T. (2003). "A simplified analysis method for piled raft foundations in non-homogeneous soils." International Journal for Numerical and Analytical Methods in Geomechanics, 27(2), pp. 88-109. 
    4. Pasternak, P. L. (1954). On a new method of analysis of an elastic foundation by means of two foundation constants (in Russian). Gosudarstvennoe Izdatelstvo Literaturi po Stroitelstvui Arkhitekture, Moscow. 
    5. Reul, O. and Randolph, M. F. (2003). "Design strategies for piled rafts subjected to nonuniform vertical loading." Journal of Geotechnical and Geoenvironmental Engineering, ASCE, 130(1), pp. 1-13. 
    6. Sommer, H. (1991). Entwicklung der Hochhausgrundungen in Frankfurt/Main Festkoll oquium 20 Jahre Grundbauinstitut. Prof. Dr. -Ing. H. Sommer und Partner, Germany, pp. 47-62. 
    7. Won, J. O., Jeong, S. S., Lee, J. H., and Jang, S. Y. (2006). "Nonlinear three- dimensional analysis of pile group supported columns considering pile cap flexibility." Computers & Geotechnics, 33, pp. 355-370. 
    8. Zhang, H. H. and Small, J. C. (2000). "Analysis of axially and laterally loaded pile groups embedded in layered soils." Proc. of 8th Australia New Zealand Conf. on Geomechanics, Hobart, 1, pp. 475-483. 

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