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Enhanced strut-and-...
Enhanced strut-and-tie model for reinforced concrete pile caps
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- Mathern, Alexandre, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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Chantelot, Gautier, 1987 (författare)
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Svahn, Per-Ola, 1965 (författare)
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Kettil, Per, 1972 (författare)
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- Rempling, Rasmus, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Engström, Björn, 1950 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- 2017
- 2017
- Engelska.
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Ingår i: IABSE Conference, Vancouver 2017: Engineering the Future - Report. ; 109, s. 607-614
- Relaterad länk:
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http://publications.... (primary) (free)
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https://research.cha...
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Abstract
Ämnesord
Stäng
- Strut-and-tie models provide a simple and rational way to design discontinuity regions in reinforced concrete structures. However, when it comes to three-dimensional concrete elements such as pile caps, enhancements are needed to ensure a reliable and not overly conservative design. This paper presents an enhanced strut-and-tie model adapted to the analysis and design of reinforced concrete pile caps. The model is based on consistent geometries of three-dimensional nodal zones and struts and integrates a strength criterion for confined bottle-shaped struts. An iterative process is used in order to optimize the position of the members by refining the dimensions of the nodal zones. The model is validated by experimental results from tests on four-pile caps reported in the literature, showing effective predictions of their ultimate capacities. This enhanced strut-and-tie model can lead to safe and less conservative design of pile caps.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Infrastrukturteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Infrastructure Engineering (hsv//eng)
Nyckelord
- three-dimensional
- pile caps
- strut-and-tie model
- reinforced concrete
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)