Collapse mechanisms and strength prediction of reinforced concrete pile caps

Research output: Contribution to journalJournal article – Annual report year: 2012Researchpeer-review

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This paper describes an upper bound plasticity approach for strength prediction of reinforced concrete pile caps. A number of collapse mechanisms are identified and analysed. The procedure leads to an estimate of the load-carrying capacity and an identification of the critical collapse mechanism. Calculations have been compared with nearly 200 test results found in the literature. Satisfactory agreement has been found. The analyses are conducted on concentrically loaded caps supported by four piles. The paper briefly outlines how the approach may be extended to more complicated loadings and geometries. It is argued that the upper bound approach may be a useful complement to the widely used lower bound strut-and-tie method. Especially when dealing with strength assessment of existing structures.
Original languageEnglish
JournalEngineering Structures
Volume35
Pages (from-to)203-214
ISSN0141-0296
DOIs
Publication statusPublished - 2012
CitationsWeb of Science® Times Cited: No match on DOI

    Research areas

  • Collapse mechanisms, Reinforced concrete, Concrete plasticity, Pile caps, Bridge foundations
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