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| Title: | PILED RAFT DESIGN PROCESS FOR A HIGH-RISE BUILDING ON THE GOLD COAST, AUSTRALIA | |
| DOI No: | 10.1142/9789812701480_0039 | |
| Source: | TALL BUILDINGS (pp 241-249) | |
| Author(s): | PARAN MOYES, Senior Geotechnical Engineer
Coffey Geosciences Pty Ltd, 8/12 Mars Road, Lane Cove West NSW 2066, Australia HARRY G POULOS, Senior Principal, Emeritus Professor Coffey Geosciences Pty Ltd, Australia Department of Civil Engineering, University of Sydney, Australia JOHN C. SMALL, Professor Department of Civil Engineering, University of Sydney, Australia FRANCES BADELOW, Principal Coffey Geosciences Pty Ltd, Australia |
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| Abstract: | This paper describes the process of design of a piled raft foundation for a high rise residential building on the Gold Coast in Queensland, Australia. The design process comprised an initial stage of geotechnical site characterization using the results of a series of investigation boreholes to prepare a subsurface model and derive geotechnical parameters for raft and pile design from empirical correlations. Following this a preliminary analysis was undertaken using a combination of elastic theory and allowances for non linear behaviour of the piled raft system to assess the viability of such a foundation system and any potential advantages of a piled raft over conventional fully piled foundation systems. Finally, a detailed analysis was undertaken using the GARP8 computer program. These detailed analyses were used to design a more efficient piled raft system and to provide design actions for structural design of the foundation system for a variety of load combinations. | |
| Full Text: | View full text in PDF format (720KB) | |
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