EN 14630:2006
(Main)Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein method
Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein method
The phenolphthalein test method is intended to measure the depth of the carbonated layer near the surface of hardened concrete. It is not suitable for concrete made with calcium aluminate cement. It may be used on site or in the laboratory, on test specimens or on cores or fragments removed from hardened concrete structures.
Produkte und Systeme für den Schutz und die Instandsetzung von Betontragwerken - Prüfverfahren - Bestimmung der Karbonatisierungstiefe im Festbeton mit der Phenolphthalein-Prüfung
Die Phenolphthalein Prüfung ist für die Bestimmung der Karbonatisierungstiefe nahe der Oberfläche des Festbetons vorgesehen. Sie ist nicht geeignet für Beton, der aus Tonerdezement hergestellt wurde. Sie kann am Einsatzort oder im Labor an Probekörpern oder an aus dem Festbeton entnommenen Bohrkernproben oder Bruchstücken angewendet werden.
Produits et systèmes pour la protection et la réparation des structures en béton - Méthodes d'essai - Mesurage de la profondeur de carbonatation d'un béton armé par la méthode phénolphtaléine
La méthode d’essai à la phénolphtaléine sert à mesurer la profondeur de la couche carbonatée située près de la surface du béton durci. Cette méthode ne convient pas lorsque le béton est formé à base de ciment alumineux. Elle peut être utilisée sur site ou en laboratoire, sur des éprouvettes, des carottes ou des fragments prélevés sur des structures en béton durci.
Proizvodi in sistemi za zaščito in popravilo betonskih konstrukcij - Preskusne metode - Ugotavljanje globine karbonatizacije v strjenem betonu z fenolftaleinsko metodo
General Information
- Status
- Published
- Publication Date
- 24-Oct-2006
- Current Stage
- 9093 - Decision to confirm - Review Enquiry
- Start Date
- 17-Sep-2010
- Completion Date
- 17-Sep-2010
- Directive
- 89/106/EEC - Construction products
EN 14630:2006 Overview
EN 14630:2006 is a European Standard developed by CEN that specifies a test method for determining the carbonation depth in hardened concrete using the phenolphthalein indicator. This standard is part of a broader series focusing on products and systems for the protection and repair of concrete structures. The phenolphthalein test provides a practical and widely accepted approach to measuring how deeply carbonation has penetrated a concrete surface-a critical factor affecting the durability and corrosion resistance of reinforced concrete.
Carbonation reduces the alkalinity of concrete, thereby compromising the protective environment around embedded steel reinforcement. Measuring carbonation depth helps assess the concrete's capacity to protect steel and informs decisions regarding maintenance and repair.
Key Topics
Scope: EN 14630:2006 applies to hardened concrete surfaces except those made with calcium aluminate cement. Testing can be conducted on-site or in laboratories, using test specimens or extracted cores/fragments.
Phenolphthalein Test Principle: Phenolphthalein indicator turns red-purple in concrete with a pH above approximately 9, indicating uncarbonated concrete. Carbonated concrete with lowered pH remains colorless or neutral when sprayed.
Materials & Apparatus:
- Phenolphthalein solution prepared with phenolphthalein dissolved in ethyl or isopropyl alcohol diluted with distilled water.
- Suitable spray container.
- Measurement tools like calipers or rulers for depth measurement to the nearest millimeter.
Sampling Procedure:
- Samples must be representative and follow a pre-defined sampling plan.
- In-situ testing involves chiseling or drilling to expose fresh concrete surfaces.
- Core samples must be properly oriented and stored to prevent moisture loss and ensure accuracy.
- Surfaces must be freshly broken and free from water or abrasion before testing.
Test Procedure:
- Freshly broken surfaces are sprayed with phenolphthalein solution.
- The carbonation front is identified by the visible boundary between colored (alkaline) and colorless (carbonated) concrete.
- Measurements of the average and maximum carbonation depth are taken to understand the extent and variability of carbonation.
Results Interpretation:
- Average carbonation depth (dk mean) helps assess general carbonation penetration.
- Maximum depth (dk max) captures isolated deeper pockets but is excluded from average calculations if significantly different.
- Special considerations include the impact of hydrophobic treatments and additives that may affect color development.
Reporting:
- Detailed test reports include date/time, tester identity, weather conditions, sample descriptions, indicator solution composition, carbonation depths, and observations.
- Locations of samples should be clearly documented for traceability.
- Reports should note any unusual observations such as delayed coloration or boundary diffuseness.
Applications
Concrete Durability Assessment: Carbonation depth testing per EN 14630:2006 is essential for evaluating the protective capacity of concrete cover over steel reinforcement, crucial for maintaining structural durability.
Maintenance and Repair Planning: Results inform the selection of appropriate repair products and protection systems, as outlined in related standards like ENV 1504-9.
Quality Control: Used on new constructions or repaired structures to verify that carbonation levels remain within acceptable limits.
Research and Forensic Analysis: Provides data for studies on concrete degradation and for post-failure investigation of corrosion-related damage.
Related Standards
ENV 1504-9: Defines general principles and criteria for protection and repair systems of concrete structures, underpinning the broader context of carbonation measurement and repair strategy.
Other Test Methods: While EN 14630 focuses on the phenolphthalein method, alternative approaches like petrographic examination may complement or confirm results where boundaries are diffuse or slow color changes occur.
National Standards: EN 14630:2006 is adopted as a national standard by CEN member countries, ensuring harmonized methodology and reporting across Europe.
By adhering to EN 14630:2006, engineers and inspectors can accurately measure carbonation depth, contributing to informed decision-making for concrete structure maintenance, improved longevity, and cost-effective repair solutions. This standard remains fundamental in concrete durability management across the construction and civil engineering sectors.
Frequently Asked Questions
EN 14630:2006 is a standard published by the European Committee for Standardization (CEN). Its full title is "Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein method". This standard covers: The phenolphthalein test method is intended to measure the depth of the carbonated layer near the surface of hardened concrete. It is not suitable for concrete made with calcium aluminate cement. It may be used on site or in the laboratory, on test specimens or on cores or fragments removed from hardened concrete structures.
The phenolphthalein test method is intended to measure the depth of the carbonated layer near the surface of hardened concrete. It is not suitable for concrete made with calcium aluminate cement. It may be used on site or in the laboratory, on test specimens or on cores or fragments removed from hardened concrete structures.
EN 14630:2006 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 14630:2006 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
You can purchase EN 14630:2006 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)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Products and systems for the protection and repair of concrete structures - Test methods - Determination of carbonation depth in hardened concrete by the phenolphthalein methodPHWRGRProduits et systemes pour la protection et la réparation des structures en béton - Méthodes d'essai - Mesurage de la profondeur de carbonatation d'un béton armé par la méthode phénolphtaléineProdukte und Systeme für den Schutz und die Instandsetzung von Betontragwerken - Prüfverfahren - Bestimmung der Karbonatisierungstiefe im Festbeton mit der Phenolphthalein-PrüfungTa slovenski standard je istoveten z:EN 14630:2006SIST EN 14630:2007en91.100.30Beton in betonski izdelkiConcrete and concrete products91.080.40Betonske konstrukcijeConcrete structuresICS:SLOVENSKI
STANDARDSIST EN 14630:200701-marec-2007
EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14630October 2006ICS 91.100.30 English VersionProducts and systems for the protection and repair of concretestructures - Test methods - Determination of carbonation depthin hardened concrete by the phenolphthalein methodProduits et systèmes pour la protection et la réparation desstructures en béton - Méthodes d'essais - Mesurage de laprofondeur de carbonatation d'un béton armé par laméthode phénolphtaleineProdukte und Systeme für den Schutz und dieInstandsetzung von Betontragwerken - Prüfverfahren -Bestimmung der Karbonatisierungstiefe im Festbeton mitder Phenolphthalein-PrüfungThis European Standard was approved by CEN on 7 September 2006.CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this EuropeanStandard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such nationalstandards may be obtained on application to the Central Secretariat or to any CEN member.This European Standard exists in three official versions (English, French, German). A version in any other language made by translationunder the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same status as the officialversions.CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France,Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania,Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMITÉ EUROPÉEN DE NORMALISATIONEUROPÄISCHES KOMITEE FÜR NORMUNGManagement Centre: rue de Stassart, 36
B-1050 Brussels© 2006 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 14630:2006: E
...
La norme SIST EN 14630:2007 concerne les produits et systèmes pour la protection et la réparation des structures en béton et offre des méthodes d'essai pour déterminer la profondeur de carbonatation dans le béton durci, spécifiquement par la méthode du phénolphtaléine. Ce document a un intérêt particulier pour les ingénieurs, les architectes et les professionnels du bâtiment, car il fournit une méthode précise pour évaluer la durabilité des structures en béton. L'un des principaux points forts de cette norme réside dans sa capacité à mesurer efficacement la profondeur de la couche carbonatée proche de la surface du béton durci. Cette évaluation est cruciale pour anticiper le besoin de réparations et pour planifier des stratégies de protection adéquates, assurant ainsi la longévité des ouvrages. La norme permet également d'effectuer des tests aussi bien sur le terrain que dans un environnement de laboratoire, ce qui la rend très adaptable et applicable à diverses situations pratiques. Cependant, il est essentiel de noter que la norme n'est pas adaptée aux bétons fabriqués avec du ciment alumineux, ce qui peut limiter son utilisation dans certaines applications spécifiques où ce type de ciment est préféré. En termes de pertinence, la norme SIST EN 14630:2007 est d'une grande actualité dans un contexte où la durabilité des infrastructures joue un rôle de plus en plus central. La capacité à déterminer la profondeur de carbonatation est essentielle pour garantir que les structures en béton conservent leurs propriétés mécaniques et chimiques, contribuant ainsi à une meilleure gestion des ressources et à la prévention des travaux de réparation coûteux. En résumé, cette norme offre une méthode fiable et standardisée pour l'évaluation de la carbonatation dans le béton durci, renforçant la sécurité et la durabilité des constructions en béton.
Die Norm EN 14630:2006 behandelt die Produkte und Systeme zum Schutz und zur Reparatur von Betonstrukturen und legt die Testmethoden zur Bestimmung der Karbonatisierungstiefe in erhärtetem Beton mithilfe der Phenolphthalein-Methode fest. Der Geltungsbereich dieser Norm ist von großer Bedeutung, da die Bestimmung der Karbonatisierungstiefe entscheidend für die Bewertung der Dauerhaftigkeit und der strukturellen Integrität von Betonkonstruktionen ist. Eine der Stärken dieser Norm liegt in ihrer praktischen Anwendbarkeit, sowohl vor Ort als auch im Labor. Sie ermöglicht die Durchführung von Tests an Proben oder an Kernen und Fragmente, die aus bestehenden Betonstrukturen entnommen wurden. Dies ist besonders relevant für Bauingenieure, die die Stabilität und die Lebensdauer von älteren Konstruktionen bewerten müssen. Die Phenolphthalein-Methode bietet eine schnelle und effektive Möglichkeit, die Karbonatisierungstiefe zu messen, was eine zeitnahe Entscheidungsfindung bezüglich erforderlicher Schutz- oder Reparaturmaßnahmen ermöglicht. Es ist wichtig zu beachten, dass die Norm spezifische Einschränkungen aufweist; sie ist nicht für Beton geeignet, der mit Calciumaluminatzement hergestellt wurde. Diese Einschränkung sollte bei der Anwendung der Testmethoden berücksichtigt werden, damit genaue und aussagekräftige Ergebnisse erzielt werden. Die Relevanz der EN 14630:2006 spiegelt sich auch in der zunehmenden Bedeutung der langfristigen Instandhaltung von Betonstrukturen wider. In einer Zeit, in der die Langlebigkeit von Bauwerken im Vordergrund steht, bietet diese Norm wertvolle Richtlinien, die Fachleuten helfen, die Sicherheit und Funktionalität von Betonstrukturen zu gewährleisten. Die Standardisierung der Testmethoden trägt zur Konsistenz und Nachvollziehbarkeit in der Bewertung von Betonstrukturen bei, was letztendlich den gesamten Bereich der Bauwerksbewertung und -instandhaltung stärkt.
SIST EN 14630:2007 표준은 콘크리트 구조물의 보호 및 수리에 대한 제품과 시스템을 위한 테스트 방법을 규정하고 있으며, 구체적으로 경화된 콘크리트에서 탄산화 깊이를 페놀프탈레인 방법으로 측정하는 방법에 중점을 두고 있습니다. 이 표준의 주요 강점은 경화된 콘크리트의 표면 근처에 있는 탄산화 층의 깊이를 정확하게 측정할 수 있는 간단하고 효과적인 절차를 제공한다는 점입니다. 표준의 범위는 페놀프탈레인 테스트 방법의 활용을 통해 콘크리트의 내구성을 평가하기 위한 중요한 도구임을 보여줍니다. 이 방법은 현장이나 실험실에서 시험편 또는 경화된 콘크리트 구조물에서 제거한 코어나 조각에 적용할 수 있어 유연성이 뛰어납니다. 그러나 이 표준은 칼슘 알루미네이트 시멘트로 제조된 콘크리트에는 적용할 수 없다는 제한이 있습니다. 이는 특정 재료에 대해 적절한 검사 방법을 선택하는 데 중요한 요소로 작용합니다. EN 14630:2006 표준은 콘크리트의 탄산화 진행 상황을 모니터링하는 데 필수적인 도구로, 건설 및 유지보수 분야에서의 응용 가능성이 넓습니다. 이 표준은 구조물의 내구성 평가 및 장기적 안전성을 보장하는 데 중요한 역할을 하며, 콘크리트 보호 및 수리 작업에 필수적인 기준으로 자리 잡고 있습니다. 따라서, 이 표준은 건축 및 토목공학 분야의 전문가들이 반드시 숙지해야 할 중요한 문서라고 할 수 있습니다.
The standard EN 14630:2006 serves a critical role in the assessment of concrete structures, specifically focusing on the test methods for determining carbonation depth in hardened concrete using the phenolphthalein method. The scope of this standard is particularly relevant for professionals involved in the protection and repair of concrete, as it offers a reliable approach to measure the extent of carbonation, which is a significant factor in the durability and integrity of concrete structures. One of the primary strengths of this standard lies in its applicability, as it can be utilized both on-site and in laboratory settings, making it versatile for various situations. The fact that it accommodates test specimens or cores and fragments extracted from existing structures allows engineers and technicians to conduct thorough evaluations without the need for extensive demolition or disruption to the concrete member. This flexibility in application is an asset in real-world scenarios, where conditions may vary widely. Moreover, the clarity and specificity of the test method ensure that practitioners can achieve consistent and reproducible results when assessing the carbonation depth. By using phenolphthalein, which provides a visual indication of pH change, the process becomes straightforward and user-friendly, promoting wider adoption in routine assessments of concrete structures. However, it is important to note a limitation-this method is not suitable for concrete made with calcium aluminate cement. Therefore, professionals must be aware of this restriction to avoid misapplication of the standard in instances where it may not deliver accurate or relevant results. In the context of durability assessments, EN 14630:2006 maintains its relevance as it provides vital information that can inform maintenance, repair, and protection strategies for concrete infrastructures. By understanding carbonation depth, stakeholders can make enlightened decisions that enhance the lifecycle of concrete structures, ultimately contributing to safety and resource efficiency in construction practices. Overall, EN 14630:2006 stands as a robust standard that supports the essential needs of those involved in concrete repair and protection, ensuring that critical evaluations can be performed with confidence and precision.
EN 14630:2006は、コンクリート構造物の保護および修復のための製品とシステムに関する標準であり、特に硬化したコンクリートにおける炭酸化の深さをフェノールフタレイン法によって測定するための試験方法を示しています。この標準は、硬化コンクリートの表面近くにある炭酸化層の深さを正確に測定することを目的としており、コンクリートの劣化を把握する上で非常に重要です。 この標準の強みは、現場または実験室での使用が可能であり、試験標本や硬化したコンクリート構造物から取り出されたコアや断片にも適用可能である点です。これにより、さまざまな状況でのコンクリートの状態を評価でき、実用性が高いと言えます。さらに、カリウムアルミネートセメントを使用したコンクリートには適していない旨が明記されており、使用条件が明確に定義されているため、誤用を防ぐことができます。 EN 14630:2006は、コンクリートの炭酸化評価において信頼性のある手法を提供しており、構造物の安全性や耐久性の向上に寄与しています。この標準に従うことで、構造物のメンテナンスや修復の精度が高まり、コンクリート構造物のライフサイクルの延長に貢献することが期待されます。さらに、業界全体での標準化により、異なる評価者間での一貫した結果が得られるため、コミュニケーションの向上にも寄与します。 全体として、EN 14630:2006は、コンクリート構造物の保護および修復における試験方法として、その適用範囲、強み、そして現代のニーズに対する重要性を兼ね備えた優れた標準であり、多くの関係者にとって必要不可欠な文書と言えるでしょう。
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.
Loading comments...