Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium

Christophe Journeau, Lionel Ferry, Pascal Piluso, Jose Monerris, Michel Breton, Gerald Fritz, Tuomo Sevón

Research output: Contribution to conferenceConference articleScientific

Abstract

In order to understand the effects of concrete properties on corium-concrete interaction, it has been chosen to perform new VULCANO experiments with concretes having a different composition from the classical silica-limestone concretes. Firstly, a concrete has been made using cement clinker (calcinated limestone) instead of limestone (calcium carbonate) in order to obtain a material forming a melt with the same composition as the melt from a previously-tested concrete with limestone rich aggregates, but in which the aggregates are not destroyed before melting. This was the first VULCANO test funded with the SARNET2 grant. It showed an anisotropic ablation, typical of the silica-rich concretes, proving that molten concrete composition was not the cause of the transition from isotropic to anisotropic ablation. Then, the ferro-siliceous sacrificial concrete used in Olkiluoto 3 (EPR) reactor pit has been studied within the PLINIUS FP6 Transnational Access project. This new concrete interacted with corium, following a similar experimental procedure. Here also, an anisotropic ablation has been observed.
Original languageEnglish
Publication statusPublished - 2010
MoE publication typeNot Eligible
Event4th European Review Meeting on Severe Accident Research, ERMSAR-2010 - Bologna, Italy
Duration: 11 May 201012 May 2010
Conference number: 4

Conference

Conference4th European Review Meeting on Severe Accident Research, ERMSAR-2010
Abbreviated titleERMSAR-2010
CountryItaly
CityBologna
Period11/05/1012/05/10

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ablation
limestone
silica
melt
effect
test
electron spin resonance
calcium carbonate
cement
melting

Cite this

Journeau, C., Ferry, L., Piluso, P., Monerris, J., Breton, M., Fritz, G., & Sevón, T. (2010). Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium. Paper presented at 4th European Review Meeting on Severe Accident Research, ERMSAR-2010, Bologna, Italy.
Journeau, Christophe ; Ferry, Lionel ; Piluso, Pascal ; Monerris, Jose ; Breton, Michel ; Fritz, Gerald ; Sevón, Tuomo. / Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium. Paper presented at 4th European Review Meeting on Severe Accident Research, ERMSAR-2010, Bologna, Italy.
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title = "Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium",
abstract = "In order to understand the effects of concrete properties on corium-concrete interaction, it has been chosen to perform new VULCANO experiments with concretes having a different composition from the classical silica-limestone concretes. Firstly, a concrete has been made using cement clinker (calcinated limestone) instead of limestone (calcium carbonate) in order to obtain a material forming a melt with the same composition as the melt from a previously-tested concrete with limestone rich aggregates, but in which the aggregates are not destroyed before melting. This was the first VULCANO test funded with the SARNET2 grant. It showed an anisotropic ablation, typical of the silica-rich concretes, proving that molten concrete composition was not the cause of the transition from isotropic to anisotropic ablation. Then, the ferro-siliceous sacrificial concrete used in Olkiluoto 3 (EPR) reactor pit has been studied within the PLINIUS FP6 Transnational Access project. This new concrete interacted with corium, following a similar experimental procedure. Here also, an anisotropic ablation has been observed.",
author = "Christophe Journeau and Lionel Ferry and Pascal Piluso and Jose Monerris and Michel Breton and Gerald Fritz and Tuomo Sev{\'o}n",
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Journeau, C, Ferry, L, Piluso, P, Monerris, J, Breton, M, Fritz, G & Sevón, T 2010, 'Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium' Paper presented at 4th European Review Meeting on Severe Accident Research, ERMSAR-2010, Bologna, Italy, 11/05/10 - 12/05/10, .

Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium. / Journeau, Christophe; Ferry, Lionel; Piluso, Pascal; Monerris, Jose; Breton, Michel; Fritz, Gerald; Sevón, Tuomo.

2010. Paper presented at 4th European Review Meeting on Severe Accident Research, ERMSAR-2010, Bologna, Italy.

Research output: Contribution to conferenceConference articleScientific

TY - CONF

T1 - Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium

AU - Journeau, Christophe

AU - Ferry, Lionel

AU - Piluso, Pascal

AU - Monerris, Jose

AU - Breton, Michel

AU - Fritz, Gerald

AU - Sevón, Tuomo

N1 - Project code: 41387

PY - 2010

Y1 - 2010

N2 - In order to understand the effects of concrete properties on corium-concrete interaction, it has been chosen to perform new VULCANO experiments with concretes having a different composition from the classical silica-limestone concretes. Firstly, a concrete has been made using cement clinker (calcinated limestone) instead of limestone (calcium carbonate) in order to obtain a material forming a melt with the same composition as the melt from a previously-tested concrete with limestone rich aggregates, but in which the aggregates are not destroyed before melting. This was the first VULCANO test funded with the SARNET2 grant. It showed an anisotropic ablation, typical of the silica-rich concretes, proving that molten concrete composition was not the cause of the transition from isotropic to anisotropic ablation. Then, the ferro-siliceous sacrificial concrete used in Olkiluoto 3 (EPR) reactor pit has been studied within the PLINIUS FP6 Transnational Access project. This new concrete interacted with corium, following a similar experimental procedure. Here also, an anisotropic ablation has been observed.

AB - In order to understand the effects of concrete properties on corium-concrete interaction, it has been chosen to perform new VULCANO experiments with concretes having a different composition from the classical silica-limestone concretes. Firstly, a concrete has been made using cement clinker (calcinated limestone) instead of limestone (calcium carbonate) in order to obtain a material forming a melt with the same composition as the melt from a previously-tested concrete with limestone rich aggregates, but in which the aggregates are not destroyed before melting. This was the first VULCANO test funded with the SARNET2 grant. It showed an anisotropic ablation, typical of the silica-rich concretes, proving that molten concrete composition was not the cause of the transition from isotropic to anisotropic ablation. Then, the ferro-siliceous sacrificial concrete used in Olkiluoto 3 (EPR) reactor pit has been studied within the PLINIUS FP6 Transnational Access project. This new concrete interacted with corium, following a similar experimental procedure. Here also, an anisotropic ablation has been observed.

M3 - Conference article

ER -

Journeau C, Ferry L, Piluso P, Monerris J, Breton M, Fritz G et al. Two EU-funded tests in VULCANO to assess the effects of concrete nature on its ablation by molten corium. 2010. Paper presented at 4th European Review Meeting on Severe Accident Research, ERMSAR-2010, Bologna, Italy.