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- Pimienta, Pierre, et al.
(författare)
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Recommendation of RILEM TC 256-SPF on fire spalling assessment during standardised fire resistance tests : complementary guidance and requirements
- 2024
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Ingår i: Materials and Structures/Materiaux et Constructions. - : Springer Science and Business Media B.V.. - 1359-5997 .- 1871-6873. ; 57:1
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Tidskriftsartikel (refereegranskat)abstract
- The recommendation is based on the co-authors’ work organized by the RILEM TC 256-SPF “Spalling of concrete due to fire: testing and modelling”. It aims to provide useful information, guidance and best practices in fire spalling assessment to laboratories that perform large-scale tests based on fire resistance test standards. It provides guidance on the spalling observation techniques during testing, as well as post-test spalling quantification/assessment methods. This document is intended to be used in conjunction with the fire resistance test standards, e.g. EN 1363-1 and ISO 834-1.
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| 2. |
- Pimienta, Pierre, et al.
(författare)
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Recommendation of RILEM TC 256-SPF on the method of testing concrete spalling due to fire : material screening test
- 2023
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Ingår i: Materials and Structures/Materiaux et Constructions. - : Springer Science and Business Media B.V.. - 1359-5997 .- 1871-6873. ; 56:9
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Tidskriftsartikel (refereegranskat)abstract
- The recommendation is based on the co-authors’ work organized by the RILEM TC 256-SPF “Spalling of concrete due to fire: testing and modelling”. The Committee has defined two types of screening tests for characterization of concrete propensity to fire spalling: Material screening tests and Product screening tests. Definitions of both types of tests are given in the paper. The following recommendations apply to Material screening tests. The material screening tests described in these recommendations are a set of minimum requirements to test concrete spalling propensity (for example, the minimal specimen size). This document covers the aspects of concrete characterization, specimen geometries, storage conditions, test methods and measured parameters.
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| 3. |
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| 4. |
- Ziegler-Heitbrock, Loems, et al.
(författare)
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The EvA study : aims and strategy
- 2012
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Ingår i: European Respiratory Journal. - : European Respiratory Society (ERS). - 0903-1936 .- 1399-3003. ; 40:4, s. 823-829
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Tidskriftsartikel (refereegranskat)abstract
- The EvA study is a European Union-funded project under the Seventh Framework Programme (FP7), which aims at defining new markers for chronic obstructive pulmonary disease (COPD) and its subtypes. The acronym is derived from emphysema versus airway disease, indicating that the project targets these two main phenotypes of the disease. The EvA study is based on the concept that emphysema and airway disease are governed by different pathophysiological processes, are driven by different genes and have differential gene expression in the lung. To define these genes, patients and non-COPD controls are recruited for clinical examination, lung function analysis and computed tomography (CT) of the lung. CT scans are used to define the phenotypes based on lung density and airway wall thickness. This is followed by bronchoscopy in order to obtain samples from the airways and the alveoli. These tissue samples, along with blood samples, are then subjected to genome-wide expression and association analysis and markers linked to the phenotypes are identified. The population of the EvA study is different from other COPD study populations, since patients with current oral glucocorticoids, antibiotics and exacerbations or current smokers are excluded, such that the signals detected in the molecular analysis are due to the distinct inflammatory process of emphysema and airway disease in COPD.
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