EN 12371:2010
(Main)Natural stone test methods - Determination of frost resistance
Natural stone test methods - Determination of frost resistance
This European Standard specifies a method to assess the effect of freeze/thaw cycles on natural stones (see EN 12670 for terminology, and EN 12440 for denomination). The standard contains provision for both a shorter technological test (Test A) to assess the effect of freeze/thaw cycles on the relevant performance characteristics and an identification test (Test B).
NOTE Some marbles, as defined in EN 12440, undergo changes in physical properties as a result of the test conditions rather than the freeze/thaw cycles. In these cases, additional tests (for example EN 14066) should be applied.
Prüfverfahren für Naturstein - Bestimmung des Frostwiderstandes
Diese Europäische Norm legt ein Verfahren zur Bestimmung der Wirkung von Frost Tau Wechseln auf Natur-steine fest (siehe EN 12670 für die Terminologie und EN 12440 für die Bezeichnung). Die Norm enthält Verfahren sowohl für eine kürzere technologische Prüfung (Prüfung A) zur Bestimmung der Wirkung von Frost Tau Wechseln auf die relevanten Leistungsdaten als auch für eine Identifizierungsprüfung (Prüfung B).
ANMERKUNG Einige Marmore, wie in EN 12440 festgelegt, unterliegen Änderungen in den physikalischen Eigenschaften eher aufgrund der Prüfungsbedingungen als aufgrund der Frost Tau Wechsel. In diesen Fällen sollten zusätzliche Prüfungen (z. B. EN 14066) durchgeführt werden.
Méthodes d’essai pour pierres naturelles - Détermination de la résistance au gel
La présente Norme européenne spécifie une méthode d’évaluation de l’effet des cycles de gel/dégel sur les pierres naturelles (voir l’EN 12670 pour la terminologie et l’EN 12440 pour la dénomination). La présente Norme contient des dispositions concernant à la fois un essai technologique plus court (Essai A) permettant d’évaluer l’effet des cycles de gel/dégel sur les caractéristiques de performances appropriées et un essai d’identification (Essai B).
NOTE Certains marbres, tels que définis dans l’EN 12440, subissent des changements de leurs propriétés physiques résultant davantage d’autres conditions climatiques que seulement des cycles de gel/dégel. Dans ce cas, il convient d’effectuer des essais supplémentaires (par exemple, l’EN 14066).
Preskušanje naravnega kamna - Ugotavljanje odpornosti proti zmrzovanju
Ta evropski standard opredeljuje metodo za ocenjevanje učinkov ciklusov zmrzovanja in odtaljevanja na naravni kamen (glej EN 12670 za terminologijo, in EN 12440 za denominacijo). Standard vsebuje določbe tako za krajši tehnološki preskus (Preskus A) za ocenjevanje učinka ciklusov zmrzovanja in odtaljevanja na pomembne lastnosti delovanja ter identifikacijski preskus (Preskus B).
General Information
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Overview - EN 12371:2010 (Natural stone test methods - Determination of frost resistance)
EN 12371:2010 is a CEN European Standard that specifies laboratory methods to assess the effect of freeze/thaw cycles on natural stone. It defines two complementary test procedures: a shorter technological test (Test A) to evaluate the impact of freeze/thaw on relevant performance characteristics, and an identification test (Test B) to classify material behaviour under repeated freezing and thawing. The standard is intended for use by test laboratories, producers and specifiers of natural stone products to determine frost resistance and to support conformity assessment.
Key topics and technical requirements
- Test principle: Cycles of freezing in air followed by thawing in water are used to simulate natural freeze/thaw exposure and to assess physical deterioration.
- Test types:
- Test A (Technological test): Used when assessing specific performance characteristics (flexural strength, compressive strength, dowel-hole breaking load, etc.) - specimen dimensions and number follow the relevant product test standard.
- Test B (Identification test): Uses rectangular prisms (50 × 50 × 300 mm) - seven specimens representative of the stone body; the client may specify maximum cycles (default up to 168 cycles).
- Specimen preparation: Dry to constant mass at (70 ± 5) °C; controlled immersion schedule (stepwise to full immersion) with 48 ± 2 h pre-immersion before cycling.
- Monitoring and measurements:
- One specimen fitted with a thermocouple or equivalent to monitor core temperature.
- Dynamic elastic modulus (E0 and En) measured in accordance with EN 14146.
- Apparent mass/volume and saturation/dry masses measured throughout cycles to quantify changes (Md0, Ms0, Mh0, Mdn, Msn, Mhn, Vb0, Vbn).
- Equipment and tolerances: Freezing tank with cycle control (±2.0 °C), temperature recorder (±0.1 °C), accurate balances (0.01 %), ventilated oven.
- Failure criteria and cycle counting: EN 12371 defines when specimens are classed as failed (used to stop Test B); national annexes or product standards may give additional guidance.
Applications - who uses EN 12371:2010
- Test laboratories performing standardized durability testing of natural stone.
- Stone producers and processors evaluating product suitability for external exposure in cold climates.
- Architects, specifiers and façade engineers assessing material choice for pavements, cladding, monuments and exterior finishes.
- Standards bodies and compliance assessors using results to support certification and conformity with product standards.
Related standards
- EN 12670 (terminology) and EN 12440 (denomination) - referenced for nomenclature.
- Linked natural stone test standards commonly used with EN 12371: EN 1926, EN 12372, EN 13161, EN 13364, EN 14066 (thermal shock), EN 14146 (dynamic modulus).
- Note: Some marbles may change due to test conditions rather than freeze/thaw; apply EN 14066 or other relevant tests as indicated.
Keywords: EN 12371:2010, frost resistance, natural stone test methods, freeze/thaw cycles, identification test, technological test, dynamic elastic modulus, specimen preparation.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Preskušanje naravnega kamna - Ugotavljanje odpornosti proti zmrzovanjuPrüfverfahren für Naturstein - Bestimmung des FrostwiderstandesMéthodes d'essai des pierres naturelles - Détermination de la résistance au gelNatural stone test methods - Determination of frost resistance91.100.15Mineralni materiali in izdelkiMineral materials and productsICS:Ta slovenski standard je istoveten z:EN 12371:2010SIST EN 12371:2010en,fr,de01-september-2010SIST EN 12371:2010SLOVENSKI
STANDARDSIST EN 12371:20021DGRPHãþD
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 12371
March 2010 ICS 73.020; 91.100.15 Supersedes EN 12371:2001English Version
Natural stone test methods - Determination of frost resistance
Méthodes d'essai pour pierres naturelles - Détermination de la résistance au gel
Prüfverfahren für Naturstein - Bestimmung des Frostwiderstandes This European Standard was approved by CEN on 20 February 2010.
CEN members are bound to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, 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 STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION EUROPÄISCHES KOMITEE FÜR NORMUNG
Management Centre:
Avenue Marnix 17,
B-1000 Brussels © 2010 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12371:2010: ESIST EN 12371:2010
Test cycles . 13Bibliography . 15 SIST EN 12371:2010
Natural stone test methods – Determination of water absorption coefficient by capillarity EN 1926
Natural stone test methods – Determination of uniaxial compressive strength EN 1936 Natural stone test methods – Determination of real density and apparent density, and of total and open porosity. EN 12370 Natural stone test methods – Determination of resistance to salt crystallisation
EN 12372 Natural stone test methods – Determination of flexural strength under concentrated load
EN 12407 Natural stone test methods – Petrographic examination
EN 13161 Natural stone test methods – Determination of flexural strength under constant moment EN 13364 Natural stone test methods – Determination of the breaking load at dowel hole
EN 13373 Natural stone test methods – Determination of geometric characteristics on units EN 13755 Natural stone test methods – Determination of water absorption at atmospheric pressure
EN 14066
Natural stone test methods – Determination of resistance to ageing by thermal shock EN 14146 Natural stone test methods – Determination of the dynamic modulus of elasticity (by measuring the fundamental resonance frequency) EN 14147 Natural stone test methods – Determination of resistance to ageing by salt mist EN 14157 Natural stone test methods – Determination of the abrasion resistance EN 14158 Natural stone test methods – Determination of rupture energy EN 14205 Natural stone test methods – Determination of Knoop hardness EN 14231
Natural stone test methods – Determination of the slip resistance by means of the pendulum tester EN 14579
Natural stone test methods – Determination of sound speed propagation
EN 14580 Natural stone test methods – Determination of static elastic modulus
EN 14581
Natural stone test methods – Determination of linear thermal expansion coefficient It is intended that other ENs should call up this European Standard as the basis of evaluation of conformity.
Specifications in other standards should call up only relevant test methods. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Bulgaria, Croatia, 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. SIST EN 12371:2010
Each set shall be randomly selected from the body of stone to be tested. In addition, one extra
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Frequently Asked Questions
EN 12371:2010 is a standard published by the European Committee for Standardization (CEN). Its full title is "Natural stone test methods - Determination of frost resistance". This standard covers: This European Standard specifies a method to assess the effect of freeze/thaw cycles on natural stones (see EN 12670 for terminology, and EN 12440 for denomination). The standard contains provision for both a shorter technological test (Test A) to assess the effect of freeze/thaw cycles on the relevant performance characteristics and an identification test (Test B). NOTE Some marbles, as defined in EN 12440, undergo changes in physical properties as a result of the test conditions rather than the freeze/thaw cycles. In these cases, additional tests (for example EN 14066) should be applied.
This European Standard specifies a method to assess the effect of freeze/thaw cycles on natural stones (see EN 12670 for terminology, and EN 12440 for denomination). The standard contains provision for both a shorter technological test (Test A) to assess the effect of freeze/thaw cycles on the relevant performance characteristics and an identification test (Test B). NOTE Some marbles, as defined in EN 12440, undergo changes in physical properties as a result of the test conditions rather than the freeze/thaw cycles. In these cases, additional tests (for example EN 14066) should be applied.
EN 12371:2010 is classified under the following ICS (International Classification for Standards) categories: 73.020 - Mining and quarrying; 91.100.15 - Mineral materials and products. The ICS classification helps identify the subject area and facilitates finding related standards.
EN 12371:2010 has the following relationships with other standards: It is inter standard links to EN 12371:2001. Understanding these relationships helps ensure you are using the most current and applicable version of the standard.
EN 12371:2010 is associated with the following European legislation: EU Directives/Regulations: 305/2011, 89/106/EEC; Standardization Mandates: M/119. 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.
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記事のタイトル：EN 12371:2010 - 天然石の試験方法 - 耐霜性の決定 記事内容：この欧州規格は、凍結/解凍サイクルが天然石に与える影響を評価する方法を規定しています（用語はEN 12670を参照し、命名はEN 12440を参照）。この規格には、関連する性能特性に対する凍結/解凍サイクルの影響を評価するための短い技術試験（テストA）と識別試験（テストB）の両方に対する規定が含まれています。 注：EN 12440で定義される一部の大理石は、凍結/解凍サイクルではなく試験条件によって物理的特性が変化することがあります。この場合、EN 14066などの追加の試験が適用されるべきです。
제목: EN 12371:2010 - 천연 돌 시험 방법 - 동결 내구성 결정 내용: 이 유럽 표준은 천연 돌에 동결/해동 주기가 미치는 영향을 평가하는 방법을 규정합니다 (용어는 EN 12670을 참조하고 명명법은 EN 12440을 참조하십시오). 이 표준은 관련 성능 특성에 동결/해동 주기의 영향을 평가하기 위한 더 짧은 공학적 시험 (테스트 A)과 식별 테스트 (테스트 B)를 위한 조항을 포함하고 있습니다. 참고: EN 12440에서 정의된 일부 대리석은 동결/해동 주기 대신 시험 조건에 따라 물리적 특성이 변경될 수 있습니다. 이러한 경우, 추가 시험 (예: EN 14066)을 적용해야 합니다.
The article discusses EN 12371:2010, a European Standard that provides a method for assessing the impact of freeze/thaw cycles on natural stones. It mentions that there are two tests included in the standard: Test A, which is a shorter technological test to evaluate the effect of freeze/thaw cycles on performance characteristics, and Test B, which is an identification test. The article also notes that certain marbles may experience changes in physical properties due to test conditions, rather than the freeze/thaw cycles. In these cases, additional tests, such as EN 14066, should be utilized.
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