3D fracture modelling and limit state analysis of prestressed composite concrete pipes
Pengfei HE , Yang SHEN , Yun GU , Pangyong SHEN
Front. Struct. Civ. Eng. ›› 2019, Vol. 13 ›› Issue (1) : 165 -175.
3D fracture modelling and limit state analysis of prestressed composite concrete pipes
In this manuscript, we study fracture of prestressed cylindrical concrete pipes. Such concrete pipes play a major role in tunneling and underground engineering. The structure is modelled fully in 3D using three-dimensional continuum elements for the concrete structure which beam elements are employed to model the reinforcement. This allows the method to capture important phenomena compared to a pure shell model of concrete. A continuous approach to fracture is chosen when concrete is subjected to compressive loading while a combined continuous-discrete fracture method is employed in tension. The model is validated through comparisons with experimental data.
cylindrical concrete structures / limit state analysis / 3D fracture modelling / prestressed composite pipes / reinforced concrete / three-point bending test
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Higher Education Press and Springer-Verlag GmbH Germany, part of Springer Nature
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