An analysis of raft thickness in high-rise buildings - case studies


  • Cao Van Hoa Hochiminh City University of Architecture, Viet Nam
  • Nguyen Anh Tuan Hochiminh City University of Transport, Viet Nam



Piled raft, Raft, Pile group, Soil-structure interaction, Case study, Settlement


This study shows that the raft thickness is depended on foundation system, Young modulus of soil right under the raft and number of floors of superstructure, and explains very well the case of thick raft of ICC Tower, thin raft of Dubai Tower and reasonable raft thickness of Incheon Tower. 

Author Biographies

Cao Van Hoa, Hochiminh City University of Architecture

PhD, Lecturer, Faculty of Civil Engineering

Nguyen Anh Tuan, Hochiminh City University of Transport

PhD, Lecturer, Faculty of Transportation Engineering


Niandou H. and Breysse D., “Consequences of soil variability and soil-structure interaction on the reliability of a piled raft,” ICOSAR 2005,Millpress, Roterdam, ÍBSN 90 5966 040 4, 2005, pp. 917–924.

Tomlinson M.J., Pile design and construction practice, E & FN SPON, an imprint of Chapman & Hall, London, 1994.

Poulos H.G., “METHODS OF ANALYSIS OF PILED RAFT FOUNDATIONS,” A Report Prepared on Behalf of Technical Committee TC18 on Piled Foundations, July, 2001.

Kitiyodom P. and Matsumoto T., A simplified analysis method for piled raft foundations innon-homogeneous soils, in Int. J. Numer. Anal. Meth. Geomechanics, 2002, 2003.

Chau N. A., Cao Van Hoa, “Establishing Graphical Method for Calculation of Raft Thickness in Piled Raft, Pile Group, and Raft Foundation” EASEC-14, Ho Chi Minh City, Vietnam, IBSN 978-604-82-1684-9, January 6-8, 2016, pp 468 - 469.

Rabiei M., “Parametric Study for Piled Raft Foundations,” EDGE vol. 1, Bund. A, no. 1980, pp. 1–11, 2009.

Nguyen, B. K. et al., Móng nhà cao tầng, kinh nghiệm nước ngoài, Nhà xuất bản xây dựng, Hanoi, 2008.

Fellenius B. H., “UNIFIED DESIGN OF PILED FOUNDATIONS WITH EMPHASIS ON SETLEMENT ANALYSIS,” Geo-Institute Geo-TRANS Conference, Los Angeles, July 27-30, 2004.

Long P.D., “Piled Raft - A New Foundation Design Philosophy for High-Rises,” Geotech Hanoi 2011-ISBN 978-604-82-000-8, 2011.

Murrells C. and Gastebled O., Dubai Tower Piled Raft Foundation, Advanced in 3D Geotechnical analysis, I. Struct. E., London, 2007.

Poulos H. G., The Design of High-Rise Building Foundations, Geotech Hanoi, -ISBN 978-604-82-000-8, October 2011.

Zhenxiong Yu, “Behavior of a Piled Cap Foundation under a Vertical Loading,” Master thesis, The University of Hong Kong, 2011.