Civil Engineering Association

FOUNDATION DESIGN FOR THE BURJ DUBAI

Paper published at 6th. International conference - Cases Histories in Geotechnical Engineering - Arlington - VA - Aug 16-18 2008
PDF format
16 pages
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This paper describes the foundation design process adopted for the Burj Dubai, the world’s tallest building. The foundation system is a piled raft, founded on deep deposits of carbonate soils and rocks. The paper will outline the geotechnical investigations undertaken, the field and laboratory testing programs, and the design process, and will discuss how various design issues, including cyclic degradation of skin friction due to wind loading, were addressed. The numerical computer analysis that was adopted for the original design together with the check/calibration analyses will be outlined, and then the alternative analysis employed for the peer review process will be described. The paper sets out how the various design issues were addressed, including ultimate capacity, overall stability under wind and seismic loadings, and the settlement and differential settlements.
The comprehensive program of pile load testing that was undertaken, which included grouted and non-grouted piles to a maximum load of 64MN, will be presented and “Class A” predictions of the axial load-settlement behavior will be compared with the measured behavior. The settlements of the towers observed during construction will be compared with those predicted.

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FOUNDATION DESIGN FOR THE BURJ DUBAI.

[Image: 05611163947678701598.jpg]

Author(s): Harry G. Poulos & Grahame Bunce.
Published By: 6th. International conference on Cases Histories in Geotechnical Engineering, Arlington, Virginia, USA.
Published Year: Aug 11-16, 2008
Size: 348 KB
Quality: Original preprint
Abstract: The Burj Dubai project in Dubai comprises the construction of an approximately 160 storey high rise tower, with a podium development around the base of the tower, including a 4-6 storey garage. The client for the project is Emaar, a leading developer based in Dubai. Once completed, the Burj Dubai Tower will be the world’s tallest building. It is founded on a 3.7m thick raft supported on bored piles, 1.5 m in diameter, extending approximately 50m below the base of the raft. The site is generally level and site levels are related to Dubai Municipality Datum (DMD). The Architects and Structural Engineers for the project were Skidmore Owings and Merrill LLP (SOM) in Chicago. Hyder Consulting (UK) Ltd (HCL) were appointed geotechnical consultant for the works by Emaar and carried out the design of the foundation system and an independent peer review has been undertaken by Coffey Geosciences (Coffey). This paper describes the foundation design and verification processes, and the results of the pile load testing programs. It also compares the predicted settlements with those measured during construction.

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