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Structural mechanics and resistance of concrete structures in the event of a hydrogen explosion in nuclear powerplants
Luleå tekniska universitet, Institutionen för samhällsbyggnad och naturresurser, Byggkonstruktion och brand.
2018 (engelsk)Independent thesis Advanced level (degree of Master (Two Years)), 20 poäng / 30 hpOppgave
Abstract [en]

This thesis deals with the problem of hydrogen explosions in nuclear power plants, and evaluates if the reactor hall is to be seen as a safety barrier for such events. Today, the reactor hall is not seen as a safety barrier that is able to withstand an internal explosion. In the analysis Abaqus was used for the FEM calculations, where a main scenario of a wall subjected to a hydrogen explosion was used.

In conclusion, the results showed that a reactor hall with the assumed dimensions cannot be seen as a safety barrier, since the deformation after a hydrogen explosion near the LEL was too great.

However, it is also concluded that with increased wall and rebar dimensions it is possible to construct a wall of this kind that fulfills the requirements of a safety barrier.

sted, utgiver, år, opplag, sider
2018. , s. 83
Emneord [en]
Fire engineer, structural mechanics, nuclear powerplants, hydrogen explosion, finite element method
HSV kategori
Identifikatorer
URN: urn:nbn:se:ltu:diva-69823OAI: oai:DiVA.org:ltu-69823DiVA, id: diva2:1223038
Fag / kurs
Student thesis, at least 30 credits
Utdanningsprogram
Fire Engineering, master's level
Presentation
2018-01-19, Luleå University of Technology, Luleå, 14:10 (engelsk)
Veileder
Examiner
Tilgjengelig fra: 2018-08-09 Laget: 2018-06-24 Sist oppdatert: 2018-08-09bibliografisk kontrollert

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