Methodology for design of piled raft for 5-story buildings on very soft clay

Y. C. Tan, S. W. Cheah, Mohd. Raihan Taha

Research output: Chapter in Book/Report/Conference proceedingConference contribution

5 Citations (Scopus)

Abstract

Conventional piled foundation is usually designed to provide adequate load carrying capacity for buildigs and to limit the overall settlement and to control differential settlement within tolerable limits. Conventionally, piles are often installed into competent stratum or to 'set'. However, this solution generally only addresses the short-term problem associated with soft clay as pile capacity will be significantly reduced due to negative skin friction. This often reduces the cost-effectiveness of such 'conventional solution'. In this paper, the design methodology of a 'floating' piled raft foundation system for medium rise buildings (5-story) on very soft clay is discussed. The main design objective is to control differential settlement at the onset rather than only limiting the overall settlement. The piled raft foundation of the said medium rise building is designed using skin-friction piles of varying length. The design also considers the interaction between the piled raft and soil in order to produce an optimum design which satisfies both serviceability and ultimate limit states. The design methodology and monitoring results of the successfully implemented piled raft foundation for medium rise building are also presented in the paper. Copyright ASCE 2006.

Original languageEnglish
Title of host publicationGeotechnical Special Publication
Pages226-233
Number of pages8
Edition153
DOIs
Publication statusPublished - 2006
EventGeoShanghai 2006 - Shanghai
Duration: 6 Jun 20068 Jun 2006

Other

OtherGeoShanghai 2006
CityShanghai
Period6/6/068/6/06

Fingerprint

soft clay
Clay
clay
Piles
methodology
Skin friction
pile
friction
skin
Load limits
Cost effectiveness
cost effectiveness
carrying capacity
Soils
Monitoring
monitoring
cost
soil

ASJC Scopus subject areas

  • Building and Construction
  • Architecture
  • Soil Science

Cite this

Tan, Y. C., Cheah, S. W., & Taha, M. R. (2006). Methodology for design of piled raft for 5-story buildings on very soft clay. In Geotechnical Special Publication (153 ed., pp. 226-233) https://doi.org/10.1061/40865(197)29

Methodology for design of piled raft for 5-story buildings on very soft clay. / Tan, Y. C.; Cheah, S. W.; Taha, Mohd. Raihan.

Geotechnical Special Publication. 153. ed. 2006. p. 226-233.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Tan, YC, Cheah, SW & Taha, MR 2006, Methodology for design of piled raft for 5-story buildings on very soft clay. in Geotechnical Special Publication. 153 edn, pp. 226-233, GeoShanghai 2006, Shanghai, 6/6/06. https://doi.org/10.1061/40865(197)29
Tan YC, Cheah SW, Taha MR. Methodology for design of piled raft for 5-story buildings on very soft clay. In Geotechnical Special Publication. 153 ed. 2006. p. 226-233 https://doi.org/10.1061/40865(197)29
Tan, Y. C. ; Cheah, S. W. ; Taha, Mohd. Raihan. / Methodology for design of piled raft for 5-story buildings on very soft clay. Geotechnical Special Publication. 153. ed. 2006. pp. 226-233
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