<abstract xmlns="http://www.w3.org/1999/xhtml"><p>Lifetime of plastic pipes can be estimated by integration of a power law describing the crack kinetics. However, this procedure requires an FEM (finite element method) calculation of the possible crack propagation in the pipe to obtain stress intensity factor dependency on the crack length. It is very important for the simulation to consider every possible load that is acting on the pipe. This contribution deals with FEM modelling of a pipe that is loaded by internal pressure, residual stresses and soil loads. Comparison of the factors and pipe lifetime estimation is carried out.</p></abstract>

Lifetime of plastic pipes can be estimated by integration of a power law describing the crack kinetics. However, this procedure requires an FEM (finite element method) calculation of the possible crack propagation in the pipe to obtain stress intensity factor dependency on the crack length. It is very important for the simulation to consider every possible load that is acting on the pipe. This contribution deals with FEM modelling of a pipe that is loaded by internal pressure, residual stresses and soil loads. Comparison of the factors and pipe lifetime estimation is carried out.

Soil Load on Plastic Pipe and its Influence on Lifetime

Institute of Solid Mechanics, Mechatronics and Biomechanics – Faculty of Mechanical Engineering

Institute of Physics of Materials – AS CR

Strojnícky časopis - Journal of Mechanical Engineering

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

{"article-title":"Soil Load on Plastic Pipe and its Influence on Lifetime"}

Lifetime of plastic pipes can be estimated by integration of a power law describing the crack kinetics. However, this procedure requires an FEM (finite element...

Soil Load on Plastic Pipe and its Influence on Lifetime

Published Online: Nov 15, 2019

Page range: 101 - 106

DOI: https://doi.org/10.2478/scjme-2019-0036

Keywords
Plastic pipe, Lifetime estimation, Soil loads, Residual stress

© 2019 Poduška Jan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Soil Load on Plastic Pipe and its Influence on Lifetime

Published Online: Nov 15, 2019

Page range: 101 - 106

DOI: https://doi.org/10.2478/scjme-2019-0036

KeywordsPlastic pipe, Lifetime estimation, Soil loads, Residual stress

© 2019 Poduška Jan et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
Plastic pipe, Lifetime estimation, Soil loads, Residual stress