Point load effect determination for different pressure pipe SDR series

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F68081723%3A_____%2F15%3A00452016" target="_blank" >RIV/68081723:_____/15:00452016 - isvavai.cz</a>
Alternative codes found
RIV/00216305:26210/15:PU110177
Result on the web
<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.627.373" target="_blank" >http://dx.doi.org/10.4028/www.scientific.net/KEM.627.373</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.4028/www.scientific.net/KEM.627.373" target="_blank" >10.4028/www.scientific.net/KEM.627.373</a>

Result language
angličtina
Original language name
Point load effect determination for different pressure pipe SDR series
Original language description
In the paper the polymer pipes loaded by internal pressure with additional point load on the external surface are studied using numerical methods. It is shown that the additional external loading can significantly influence residual lifetime of the pressured pipe. In this study the effect of the pipe geometry is considered. The shape of the propagating crack is estimated based on a special algorithm and the stress intensity factor is evaluated by direct method. The relation between crack size and a geometric function for specific material and geometrical properties is found. The results of this paper should contribute to better understanding of the real pipe behavior and to prevent unexpected failure of the pressured pipe system due to non-homogenous distribution of the soil load.
Czech name
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Czech description
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Project
Result was created during the realization of more than one project. More information in the Projects tab.
Continuities
I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year
2015
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

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