SIST EN 14488-2:2006

Testing sprayed concrete - Part 2: Compressive strength of young sprayed concrete

This part specifies two methods from which an estimate of the in situ compressive strength of young hardened sprayed concrete can be made

Prüfung von Spritzbeton - Teil 2: Druckfestigkeit von jungem Spritzbeton

Diese Norm legt zwei Verfahren fest, nach denen die Druckfestigkeit von jungem Spritzbeton abgeschätzt werden kann.

Essais pour béton projeté - Partie 2 : Résistance a la compression au jeune âge du béton projeté

La présente norme spécifie deux méthodes a partir desquelles il est possible d’effectuer une estimation de la résistance a la compression sur chantier au jeune âge du béton durci projeté.

Preskušanje brizganega betona – 2. del: Tlačna trdnost svežega brizganega betona

General Information

• Status: Published
• Publication Date: 30-Sep-2006
• ICS: 91.100.30 - Concrete and concrete products
• Technical Committee: BBB - Concrete, reinforced concrete and prestressed concrete
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Oct-2006
• Due Date: 01-Oct-2006
• Completion Date: 01-Oct-2006
• Directive: 89/106/EEC - Construction products
• Ref Project: EN 14488-2:2006 - Testing sprayed concrete - Part 2: Compressive strength of young sprayed concrete

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Testing sprayed concrete - Part 2: Compressive strength of young sprayed concreteL]JDQHJDEHWRQDEssais pour béton projeté - Partie 2 : Résistance a la compression au jeune âge du béton projetéPrüfung von Spritzbeton - Teil 2: Druckfestigkeit von jungem SpritzbetonTa slovenski standard je istoveten z:EN 14488-2:2006SIST EN 14488-2:2006en91.100.30Beton in betonski izdelkiConcrete and concrete productsICS:SLOVENSKI
STANDARDSIST EN 14488-2:200601-oktober-2006







EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 14488-2June 2006ICS 91.100.30 English VersionTesting sprayed concrete - Part 2: Compressive strength ofyoung sprayed concreteEssais pour béton projeté - Partie 2 : Résistance à lacompression au jeune âge du béton projetéPrüfung von Spritzbeton - Teil 2: Druckfestigkeit vonjungem SpritzbetonThis European Standard was approved by CEN on 3 May 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 14488-2:2006: E



EN 14488-2:2006 (E) 2 Contents Foreword.3 1 Scope.4 2 Principle.4 2.1 General.4 2.2 Method A: Penetration needle.4 2.3 Method B: Stud driving.4 3 Apparatus.4 3.1 Method A: Penetration needle.4 3.2 Method B: Stud driving.4 4 Test specimen.5 5 Procedures.5 5.1 Method A: Penetration needle.5 5.2 Method B: Stud driving.5 6 Expression of results.7 6.1 Method A: Penetration needle.7 6.2 Method B: Stud driving.7 7 Test report.8 7.1 Method A: Penetration needle.8 7.2 Method B: Stud driving.8 8 Precision.8 Annex A (informative)
Example of calibration curves for needle penetrometer.9 Annex B (informative)
Example of calibration curves for stud driver.10



EN 14488-2:2006 (E) 3 Foreword This document (EN 14488-2:2006) has been prepared by Technical Committee CEN/TC 104 “Concrete and related products”, the secretariat of which is held by DIN. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by December 2006, and conflicting national standards shall be withdrawn at the latest by December 2007. This series EN 14488 ‘Testing sprayed concrete’ includes the following parts:  Part 1: Sampling fresh and hardened concrete  Part 2: Compressive strength of young sprayed concrete  Part 3: Flexural strengths (first peak, ultimate and residual) of fibre reinforced beam specimens  Part 4: Bond strength of cores by direct tension  Part 5: Determination of energy absorption capacity of fibre reinforced slab specimens  Part 6: Thickness of concrete on a substrate  Part 7: Fibre content of fibre reinforced concrete According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: 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.



EN 14488-2:2006 (E) 4 1 Scope This part specifies two methods from which an estimate of the in situ compressive strength of young hardened sprayed concrete can be made. 2 Principle 2.1 General The strength development of young sprayed concrete is assessed in the ranges of 0,2 MPa to 1,2 MPa and 3 MPa to 16 MPa respectively with Method
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