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Collapse mechanisms and strength prediction of reinforced concrete pile caps
Highlights ► Plasticity upper bound approach for strength prediction of pile caps. ► Proposed approach agrees well with nearly 200 test results. ► Approach has potential as useful design and verification tool.
Abstract 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.
Collapse mechanisms and strength prediction of reinforced concrete pile caps
Highlights ► Plasticity upper bound approach for strength prediction of pile caps. ► Proposed approach agrees well with nearly 200 test results. ► Approach has potential as useful design and verification tool.
Abstract 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.
Collapse mechanisms and strength prediction of reinforced concrete pile caps
Jensen, Uffe G. (author) / Hoang, Linh C. (author)
Engineering Structures ; 35 ; 203-214
2011-11-02
12 pages
Article (Journal)
Electronic Resource
English
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