EN 12350-7:2019/AC:2022
(Corrigendum)Testing fresh concrete - Part 7: Air content - Pressure methods
Testing fresh concrete - Part 7: Air content - Pressure methods
This document describes two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 63 mm.
The test is not suitable for concretes with slumps less than 10 mm according to EN 12350-2.
Neither method is applicable to concretes made with lightweight aggregates, air cooled blast-furnace slag, or aggregates with high porosity, because of the magnitude of the aggregate correction factor, compared with the entrained air content of the concrete.
Prüfung von Frischbeton - Teil 7: Luftgehalt - Druckverfahren
Dieses Dokument beschreibt zwei Verfahren für die Bestimmung des Luftgehalts von verdichtetem Frisch-beton, der mit normaler oder relativ dichter Gesteinskörnung hergestellt wurde und einen angegebenen Wert D der im Beton verwendeten grobsten Gesteinskörnung von nicht mehr als 63 mm (Dmax) aufweist.
Die Prüfung ist nicht für Beton mit einem Setzmaß von weniger als 10 mm nach EN 12350 2 geeignet.
Für Beton, der mit leichter Gesteinskörnung, luftgekühlter Hochofenschlacke oder Gesteinskörnung mit hoher Porosität hergestellt wurde, ist keines der beiden Verfahren wegen der vergleichbaren Größenord-nung des Korrekturfaktors der Gesteinskörnung mit dem Luftporengehalt des Frischbetons anwendbar.
Essais pour béton frais - Partie 7 : Teneur en air - Méthode de la compressibilité
Le présent document décrit deux méthodes permettant de déterminer la teneur en air du béton frais serré, confectionné avec des granulats courants ou relativement denses, ayant une valeur déclarée de D pour les plus gros granulats effectivement utilisés dans le béton (Dmax) inférieure ou égale à 63 mm.
L’essai ne convient pas aux bétons ayant des affaissements inférieurs à 10 mm conformément à l’EN 12350-2.
Ces deux méthodes ne sont pas applicables aux bétons de granulats légers, au laitier de haut-fourneau refroidi à l’air ou aux granulats à forte porosité, en raison de l’importance du facteur de correction lié au granulat par rapport à la teneur en air entraîné du béton.
Preskušanje svežega betona - 7. del: Vsebnost zraka - Metode s pritiskom - Popravek AC
Ta evropski standard opisuje metodi za določanje vsebnosti zraka v stisnjenem svežem betonu, ki je izdelan iz običajno težkega agregata ali relativno gostega agregata in pri katerem je deklarirana vrednost D najbolj grobega agregata, ki je dejansko uporabljen v betonu, manjša od 63 mm.
Preskus ni primeren za betone s posedi manj kot 10 mm.
OPOMBA: Nobena od metod se ne uporablja za betone, izdelane iz lahkih agregatov, zračno hlajene plavžne žlindre ali agregatov z visoko poroznostjo, in sicer zaradi magnitude korekcijskega faktorja agregata v primerjavi z vsebnostjo primešanega zraka v betonu.
General Information
- Status
- Published
- Publication Date
- 25-Jan-2022
- Current Stage
- 6060 - Definitive text made available (DAV) - Publishing
- Start Date
- 26-Jan-2022
- Completion Date
- 26-Jan-2022
Relations
- Effective Date
- 20-Oct-2021
Frequently Asked Questions
EN 12350-7:2019/AC:2022 is a corrigendum published by the European Committee for Standardization (CEN). Its full title is "Testing fresh concrete - Part 7: Air content - Pressure methods". This standard covers: This document describes two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 63 mm. The test is not suitable for concretes with slumps less than 10 mm according to EN 12350-2. Neither method is applicable to concretes made with lightweight aggregates, air cooled blast-furnace slag, or aggregates with high porosity, because of the magnitude of the aggregate correction factor, compared with the entrained air content of the concrete.
This document describes two methods for determination of air content of compacted fresh concrete, made with normal weight or relatively dense aggregate and having a declared value of D of the coarsest fraction of aggregates actually used in the concrete (Dmax) not greater than 63 mm. The test is not suitable for concretes with slumps less than 10 mm according to EN 12350-2. Neither method is applicable to concretes made with lightweight aggregates, air cooled blast-furnace slag, or aggregates with high porosity, because of the magnitude of the aggregate correction factor, compared with the entrained air content of the concrete.
EN 12350-7:2019/AC:2022 is classified under the following ICS (International Classification for Standards) categories: 91.100.30 - Concrete and concrete products. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12350-7:2019/AC:2022 has the following relationships with other standards: It is inter standard links to EN 12350-7:2019. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
You can purchase EN 12350-7:2019/AC:2022 directly from iTeh Standards. The document is available in PDF format and is delivered instantly after payment. Add the standard to your cart and complete the secure checkout process. iTeh Standards is an authorized distributor of CEN standards.
Standards Content (Sample)
SLOVENSKI STANDARD
01-april-2022
Preskušanje svežega betona - 7. del: Vsebnost zraka - Metode s pritiskom -
Popravek AC
Testing fresh concrete - Part 7: Air content - Pressure methods
Prüfung von Frischbeton - Teil 7: Luftgehalt - Druckverfahren
Essais pour béton frais - Partie 7 : Teneur en air - Méthode de la compressibilité
Ta slovenski standard je istoveten z: EN 12350-7:2019/AC:2022
ICS:
91.100.30 Beton in betonski izdelki Concrete and concrete
products
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
EUROPEAN STANDARD EN 12350-7:2019/AC
NORME EUROPÉENNE
January 2022
EUROPÄISCHE NORM
ICS 91.100.30
English version
Testing fresh concrete - Part 7: Air content - Pressure methods
Essais pour béton frais - Partie 7 : Teneur en Prüfung von Frischbeton - Teil 7: Luftgehalt -
air - Méthode de la compressibilité Druckverfahren
This corrigendum becomes effective on 26 January 2022 for
...
SIST EN 12350-7:2019/AC:2022は、新鮮なコンクリートの空気含量を測定するための標準であり、その内容は二つの圧力法を用いた手法を定義しています。この標準は、通常の重量または比較的密な骨材で作られた圧縮された新鮮なコンクリートの空気含量の決定に特化しています。特に、コンクリートに実際に使用される最粗骨材の宣言値(Dmax)が63mmを超えない場合に適用されます。 この標準の最大の強みは、その正確性と適用範囲の明確さにあります。グラデーションが適切に管理された骨材が使用され、スランプが10mm以上のコンクリートに対してのみ適用可能であるため、適切な試験条件が確保されています。また、軽量骨材や高多孔度の骨材で作られたコンクリートには不適合であることが明記されており、注意深い使用が求められます。このように、特定の条件下での実施が効果的な分析を保証します。 さらに、圧力法を使用することで、コンクリートの空気含量を高精度で測定することが可能となり、施工の一貫性と品質の向上に寄与します。特に、建設業界においては、コンクリートの性能を向上させるための科学的基盤を提供することが、この標準の重要な役割です。 この標準は、コンクリート品質管理や試験の信頼性を重視する業界関係者にとって、非常に有用な内容を含んでおり、場合によっては法令遵守や規格適合に直結する重要な資料となります。したがって、SIST EN 12350-7:2019/AC:2022は、コンクリート技術者や品質管理担当者にとっての必携文書と位置付けられています。
SIST EN 12350-7:2019/AC:2022 표준 문서는 압력 방법을 활용하여 신선한 콘크리트의 공기 함량을 측정하는 두 가지 방법을 제시합니다. 이 표준의 범위는 일반적인 중량 또는 상대적으로 조밀한 골재로 제작된 응축된 신선한 콘크리트에 초점을 맞추고 있으며, 사용된 골재의 가장 굵은 분획의 선언된 값(Dmax)이 63mm 이하일 때 적용됩니다. 이 표준의 강점은 기존의 측정 방법보다 더 정확하고 신뢰할 수 있는 공기 함량 측정을 제공하는 데 있습니다. EN 12350-2에 따라 슬럼프가 10mm 미만인 콘크리트에는 적합하지 않으므로, 이 표준이 적용될 수 있는 특정 조건을 제시함으로써 사용자는 더욱 정확한 테스트 조건을 이해하고 선택할 수 있습니다. 또한, 경량 골재나 고열차 열풍로 슬래그와 같이 높은 다공성을 가진 골재로 만들어진 콘크리트에는 어떤 방법도 적용할 수 없다는 점은 특히 중요한데, 이는 공기 함량의 신뢰성을 보장하기 위한 중요한 기준이 됩니다. 이러한 명확한 제한 사항은 사용자에게 올바른 자료를 제공하고, 콘크리트 테스트 시 발생할 수 있는 오류를 최소화합니다. 따라서 SIST EN 12350-7:2019/AC:2022 표준은 공기 함량 측정의 신뢰성과 정확성을 보장하여, 콘크리트 품질 관리에 있어 중요한 역할을 수행합니다. 이 표준은 콘크리트 산업에서 엄격한 품질 기준을 유지하고, 다양한 콘크리트 혼합물의 성능을 향상시키기 위해 필수적인 자료로 간주됩니다.
The standard EN 12350-7:2019/AC:2022 provides a comprehensive guide on the testing of fresh concrete, specifically focusing on the determination of air content using pressure methods. This document is essential for professionals involved in quality control and assurance within the concrete industry, given its explicit emphasis on the correct assessment of air content, which is critical for ensuring the desired performance characteristics of concrete. The scope of the standard clearly delineates its applicability to compacted fresh concrete made with normal weight or relatively dense aggregates, with specific attention to the maximum aggregate size (Dmax) of 63 mm. This ensures the standard is relevant for a wide range of typical concrete applications but also sets necessary boundaries, such as its inapplicability to concretes with slumps less than 10 mm, as referenced in EN 12350-2. Such limitations are constructive, preventing misuse and ensuring accurate results in suitable concrete mixtures. One of the key strengths of EN 12350-7:2019/AC:2022 is its structured approach to testing methods. It outlines two distinct procedures for measuring air content, allowing for flexibility in methodology while maintaining rigor in testing standards. The clarity in procedures promotes consistency across testing environments, leading to reliable data that can be critical for quality assurance in construction projects. Moreover, the standard outlines exclusions for certain types of concrete, namely those made with lightweight aggregates, air-cooled blast-furnace slag, or aggregates with high porosity. This recognition of the limitations based on materials used reinforces the document’s relevance and importance in practical applications, ensuring that aggregate correction factors are appropriately considered and that the entrained air content is accurately evaluated. Overall, EN 12350-7:2019/AC:2022 stands out as a crucial reference for professionals tasked with understanding and ensuring the integrity of air content in concrete mixtures, endorsing best practices and enhancing concrete's structural performance in various applications. Its comprehensive scope and clear guidelines ensure it remains a relevant resource within the industry.
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