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Simulation of damage propagation on massiveconcrete structures, the overlapping lattice model v.s.The finite element approach
Date
2017-10-11
Author
Soysal, Berat Feyza
Arıcı, Yalın
Binici, Barış
Tuncay, Kağan
Metadata
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The increase in the computational power enables the performance based assessment of very large structures like concrete gravity dams. These assessments are usually carried out with the traditional finite element tools. The continuum based formulation of these analyses in the absence of costly re-meshing operations cast doubt on the performance assessment of such massive plain concrete structures given the primary output assessed for these analyses should be the crack propagation and opening on the dam body. Smearing of the cracking in contrast to the discrete cracks on these systems, and the failure to simulate advanced stages of damage is a significant limitation for the finite element methods. On the other hand, a new approach in the form of overlapping lattice model shows a great potential for modeling of discrete cracking on plain concrete structures including the separation and rocking of individual components on the body. In this paper, the capabilities of the finite element tools for simulation of large damage on plain concrete structures are compared to the overlapping lattice model (OLM) approach. A set of three laboratory tests conducted with different types of loading were simulated using both tools. The limitations and capabilities of both approaches in predicting damage in the nature of crack propagation was established
Subject Keywords
Overlapping lattice model
,
Crack propagation
,
Concrete gravity dam
,
Laboratory testing
,
Benchmark models
URI
http://www.tdmd.org.tr/TR/pdf/BildiriOzetleriKitabi(abstracts).pdf
https://hdl.handle.net/11511/73230
Conference Name
4th International Conference on Earthquake Engineering and Seismology (11-13 Ekim 2017)
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Department of Civil Engineering, Conference / Seminar
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Comparison of the Overlapping Lattice and the Finite Element Approaches for the Prediction of the Collapse State of Concrete Gravity Dams
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Comparison of the overlapping lattice and thefinite element approaches for the prediction of the collapse state of concrete gravity dams
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B. F. Soysal, Y. Arıcı, B. Binici, and K. Tuncay, “Simulation of damage propagation on massiveconcrete structures, the overlapping lattice model v.s.The finite element approach ,” presented at the 4th International Conference on Earthquake Engineering and Seismology (11-13 Ekim 2017), Eskişehir, Türkiye, 2017, Accessed: 00, 2021. [Online]. Available: http://www.tdmd.org.tr/TR/pdf/BildiriOzetleriKitabi(abstracts).pdf.