SIST EN 15498:2008

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Montažni betonski izdelki - Betonski bloki iz lesnih drobcev - Lastnosti in obnašanje izdelkovBetonfertigteile - Holzspanbeton-Schalungssteine - Produkteigenschaften und LeistungsmerkmaleProduits préfabriqués en béton - Blocs de coffrage en béton utilisant des copeaux de bois comme granulat - Propriétés et performances des produitsPrecast concrete products - Wood-chip concrete shuttering blocks - Product properties and performance91.100.30Beton in betonski izdelkiConcrete and concrete productsICS:Ta slovenski standard je istoveten z:EN 15498:2008SIST EN 15498:2008en,fr,de01-oktober-2008SIST EN 15498:2008SLOVENSKI
STANDARD



SIST EN 15498:2008



EUROPEAN STANDARDNORME EUROPÉENNEEUROPÄISCHE NORMEN 15498April 2008ICS 91.100.30 English VersionPrecast concrete products - Wood-chip concrete shutteringblocks - Product properties and performanceProduits préfabriqués en béton - Blocs de coffrage enbéton utilisant des copeaux de bois comme granulat -Propriétés et performances des produitsBetonfertigteile - Holzspanbeton-Schalungssteine -Produkteigenschaften und LeistungsmerkmaleThis European Standard was approved by CEN on 18 March 2008.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 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 translationunder the responsibility of a CEN member into its own language and notified to the CEN Management Centre has the same status as theofficial versions.CEN members are the national standards bodies of Austria, Belgium, Bulgaria, 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© 2008 CENAll rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN 15498:2008: ESIST EN 15498:2008



EN 15498:2008 (E) 2 Contents Page Foreword.5 1 Scope.6 2 Normative references.6 3 Terms, definitions, symbols and abbreviations.7 3.1 Terms and definitions.7 3.2 Symbols and abbreviations.8 4 Requirements.11 4.1 Material requirements.11 4.1.1 Wood-chip concrete.11 4.1.2 Supplementary thermal insulation materials.11 4.2 Finished product requirements.11 4.2.1 Geometric characteristics.11 4.2.2 Density.12 4.2.3 Moisture movement.12 4.2.4 Reaction to fire.12 4.2.5 Water vapour permeability.13 4.2.6 Mechanical strength.13 4.2.7 Acoustic properties.13 4.2.8 Thermal properties.14 4.2.9 Durability.14 5.1 Principle.15 5.2 Procedure.15 5.2.1 Geometric characteristics.15 5.2.2 Density.16 5.2.3 Moisture movement.16 5.2.4 Reaction to fire.16 5.2.5 Water vapour permeability.16 5.2.6 Mechanical strength.16 5.2.7 Acoustic properties.17 5.2.8 Thermal properties.17 5.2.9 Durability.18 6.1 General.18 6.2 Demonstration of conformity.18 6.3 Assessment of conformity.18 6.4 Initial type testing.19 6.5 Factory production control.19 6.5.1 General.19 6.5.2 Equipment.20 6.5.3 Materials.20 6.5.4 Production process.20 6.5.5 Product testing.20 6.5.6 Stock control.20 7 Marking and labelling.20 7.1 Marking and labelling on product.20 7.2 Marking and labelling on delivery documentation.21 Annex A (normative)
Filling pressure of concrete infill.22 Annex B (normative)
Determination of tensile strength of web.24 B.1 Principle.24 SIST EN 15498:2008



EN 15498:2008 (E) 3 B.2 Apparatus.24 B.3 Procedure.25 B.4 Determination of tensile strength.28 B.4.1 Principle.28 B.4.2 Calculation of the minimum required tensile strength of the web.29 B.4.3 Measurement of the web tensile failure load and calculation of the tensile strength of webs.29 B.5 Test report.30 Annex C (normative)
Determination of flexural strength of shells.31 C.1 Principle.31 C.2 Apparatus.31 C.3 Procedure.31 C.4 Determining the flexural strength of shells.32 C.4.1 General.32 C.4.2 Calculation of the minimum required flexural strength of shells.33 C.4.3 Measurement of the flexural failure load and calculation of the flexural strength of shells.34 C.5 Test report.35 Annex D (normative)
Test methods for determination of specific heat capacity.36 D.1 Principle.36 D.2 Test device.36 D.3 Specimen.36 D.4 Procedure.36 D.4.1 Core temperature measurement.36 D.4.2 Core temperature calculation.37 D.4.3 Comparison of measured and calculated core temperature.38 D.5 Determination of specific heat capacity.38 D.6 Test report.38 D.7 VBA-Routine for calculation of core temperature (informative).38 Annex E (normative)
Sampling for initial type testing.40 E.1 General.40 E.2 Sampling procedure.40 E.2.1 Random sampling.40 E.2.2 Representative sampling.40 E.2.3 Dividing the sample.41 E.2.4 Number of shuttering blocks required for testing.42 E.3 Place and dates of inspection and acceptance testing.42 Annex F (normative)
Compliance criteria for initial type testing and for independent testing of consignment.43 Annex G (informative)
Example of an inspection scheme.44 G.1 Equipment inspection.44 G.1.1 Testing and measuring equipment.44 G.1.2 Storage and production equipment.44 G.2 Materials inspection.45 G.2.1 All materials.45 G.2.2 Materials not submitted to an assessment of conformity before delivery 2).45 G.3 Production process inspection.46 G.4 Product inspection.46 G.4.1 Product testing.46 G.4.2 Marking, storage, delivery.46 G.5 Switching rules.47 G.5.1 Normal inspection.47 G.5.2 Normal to reduced inspection.47 G.5.3 Reduced to normal inspection.47 G.5.4 Tightened inspection.47 G.5.5 Tightened to normal inspection.47 G.5.6 Stopped production.47 SIST EN 15498:2008



EN 15498:2008 (E) 4 Annex ZA (informative)
Relationship between this European
Standard and the Essential Requirements of EU Directive Constructions products.48 ZA.1 Scope and relevant characteristics.48 ZA.2 Procedure(s) for attestation of conformity of wood-chipconcrete shuttering blocks.49 ZA.2.1 System(s) of attestation of conformity.49 ZA.2.2 EC Certificate and Declaration of conformity.50 ZA.3 CE marking and labelling.51 Bibliography.53
SIST EN 15498:2008



EN 15498:2008 (E) 5 Foreword This document (EN 15498:2008) has been prepared by Technical Committee CEN/TC 229 “Precast concrete products”, the secretariat of which is held by AFNOR. 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 October 2008, and conflicting national standards shall be withdrawn at the latest by January 2010. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. CEN [and/or CENELEC] shall not be held responsible for identifying any or all such patent rights. This document has been prepared under a mandate given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EU Construction Products Directive (89/106/EEC). For relationship with EU Directive(s), see informative Annex ZA, which is an integral part of this document. It also takes into account the EN 13369:2004 Common rules for precast concrete products. 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, 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 the United Kingdom.
SIST EN 15498:2008



EN 15498:2008 (E) 6 1 Scope This European Standard specifies the properties, performance and test methods of factory made, non-load-bearing hollow wood-chip concrete shuttering blocks, which may include factory installed thermal insulation. These blocks are intended to be used for external and internal walls and partitions when filled with concrete. 2 Normative references The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 772-14, Methods of test for masonry units - Part 14: Determination of moisture movement of aggregate concrete and manufactured stone masonry units EN 772-16, Methods of test for masonry units - Part 16: Determination of dimensions EN 772-20, Methods of test for masonry units - Part 20: Determination of flatness of faces of aggregate concrete, manufactured stone and natural stone masonry units EN 1607, Thermal insulating products for building applications — Determination of tensile strength perpendicular to faces EN 1793-1, Road traffic noise reducing devices — Test method for determining the acoustic performance — Part 1 : Intrinsic characteristics of sound absorption EN 1793-2, Road traffic noise reducing devices — Test method for determining the acoustic performance — Part 2 : Intrinsic characteristics of airborne sound insulation EN 1934, Thermal performance of buildings — Determination of thermal resistance by hot box method using heat flow meter — Masonry EN 12524, Building materials and products — Hygrothermal properties — Tabulated design values EN 12664, Thermal performance of building materials and products — Determination of thermal resistance by means of guarded hot plate and heat flow meter methods — Dry and moist products of medium and low thermal resistance EN 12390-5, Testing hardened concrete — Part 5 : Flexural strength of test specimens EN 13162, Thermal insulation products for buildings - Factory made mineral wool (MW) products - Specification
EN 13163, Thermal insulation products for buildings - Factory made products of expanded polystyrene (EPS) - Specification EN 13164, Thermal insulation products for buildings - Factory made products of extruded polystyrene foam (XPS) - Specification EN 13165, Thermal insulation products for buildings - Factory made rigid polyurethane foam (PUR) products - Specification EN 13166, Thermal insulation products for buildings - Factory made products of phenolic foam (PF) - Specification SIST EN 15498:2008



EN 15498:2008 (E) 7 EN 13167, Thermal insulation products for buildings - Factory made cellular glass (CG) products - Specification EN 13168, Thermal insulation products for buildings - Factory made wood wool (WW)
products - Specification EN 13169, Thermal insulation products for buildings - Factory made products of expanded perlite (EPB) - Specification EN 13170, Thermal insulation products for buildings - Factory made products of expanded cork (ICB) - Specification EN 13171, Thermal insulating products for buildings - Factory made wood fibre (WF) products - Specification EN 13238, Reaction to fire tests for building products — Conditioning procedures and general rules for selection of substrates EN 13501-1, Fire classification of construction products and building elements - Part 1: Classification using data from reaction to fire tests EN 14474, Precast concrete products — Concrete with wood-chips as aggregate — Requirements and test methods EN ISO 140-3, Acoustics - Measurement of sound insulation in buildings and of building elements - Part 3: Laboratory measurements of airborne sound insulation of building elements (ISO 140-3:1995) EN ISO 354, Acoustics - Measurement of sound absorption in a reverberation room (ISO 354:2003) EN ISO 6946, Building components and building elements - Thermal resistance and thermal transmittance - Calculation method (ISO 6946:2007) EN ISO 10456, Building materials and products - Hygrothermal properties -Tabulated design values and procedures for determining declared and design thermal values (ISO 10456:2007) EN ISO 12572, Hygrothermal performance of building materials and products - Determination of water vapour transmission properties (ISO 12572:2001) 3 Terms, definitions, symbols and abbreviations 3.1 Terms and definitions For the purposes of this document, the following terms and definitions apply. 3.1.1 shuttering block hollow block, having outer shells connected by recessed webs, intended to be dry-stacked or laid with mortar and filled with concrete 3.1.2 wood-chip concrete shuttering block shuttering block made of wood-chip concrete according to EN 14474 SIST EN 15498:2008



EN 15498:2008 (E) 8
Figure 1 — Examples of shuttering blocks without additional thermal insulation 3.1.3 shuttering block with supplementary thermal insulation shuttering block with factory installed thermal insulation to enhance thermal resistance
Figure 2 —Examples of shuttering blocks with supplementary thermal insulation 3.1.4 ancillary block specially shaped shuttering block for the execution of constructional details, such as corners, reveals, lintels, etc. 3.1.5 design (nominal) dimension dimension targeted in the project documentation 3.1.6 actual dimension (of the product) dimension found by measurement (on the finished product) 3.2 Symbols and abbreviations lb length of shuttering block, in mm tb width (thickness) of shuttering block, in mm tc thickness of concrete infill, in mm ti thickness of insulation, in mm twi, (w1, w2, ) thickness of web, in mm tS thickness of shell, in mm SIST EN 15498:2008



EN 15498:2008 (E) 9 tS1 thickness of outer shell, in mm tS2 thickness of inner shell, in mm a1, a2 length of hollow space, in mm a3 length of cantilever shell, in mm hb height of shuttering block, in mm hR height of web recess (hR = hR1 + hR2), in mm hw height of recessed web (hw = hb – hR), in mm wR width of web recess, in mm s cross-sectional area of recessed webs (s = twi * hw), in mm² s1 cross-sectional area of recessed web with thickness tw1 (s1 = tw1 * hw), in mm² AR total web recess area (AR = AR1 + AR2), in mm² AR1 upper web recess area, in [mm²] AR2 lower web recess area, in [mm²] l supporting length of shell (l = a + 2 * tw1/2), in mm² p filling pressure, in N/mm² pmax maximum filling pressure of concrete infill, in N/mm² pmsd measured maximum filling pressure, in N/mm² Pt web tensile failure load, in N Pt,min minimum required web tensile failure load, in N Pt,msd measured web tensile failure load, in N ft,min minimum required web tensile strength, in N/mm² ft,msd individual value of the web tensile strength, in N/mm² ft,m mean tensile strength of web, in N/mm² Pf shell flexural failure load, in N Pf,msd measured shell flexural failure load, inN ff,min minimum required shell flexural strength, in N/mm² ff,msd individual value of the shell flexural strength, in N/mm² ff,m mean flexural strength of the shells, in N/mm² ftp tensile strength of shells perpendicular to faces, in N/mm² λ thermal conductivity, in W/(m.K) c specific heat capacity, in kJ/(kg.K) SIST EN 15498:2008



EN 15498:2008 (E) 10
Figure 3a) — Symbols for geometric characteristics
Figure 3b) —Symbols for geometric characteristics SIST EN 15498:2008



EN 15498:2008 (E) 11 4 Requirements 4.1 Material requirements 4.1.1 Wood-chip concrete Only wood-chip concrete conforming to EN 14474 shall be used for the manufacture of wood-chip concrete shuttering blocks. 4.1.2 Supplementary thermal insulation materials When supplementary thermal insulation materials are used, they shall comply with the relevant standard of the series EN 13162 to EN 13171. 4.2 Finished product requirements 4.2.1 Geometric characteristics 4.2.1.1 Dimensions The work size of shuttering blocks shall be given in dimensioned drawings. The external dimensions of the shuttering blocks shall be declared in mm in the order length, width and height. The dimensions of voids and web-recesses shall be declared in mm. The permissible deviations on declared work size of individual regularly shaped shuttering blocks shall conform to Table 1. Closer deviations may be declared. SIST EN 15498:2008



EN 15498:2008 (E) 12 Table 1 — Permissible deviations Permissible deviations Length width height Dimensions of voids Dimensions of web recesses ± 5 mm ± 5 mm ± 3 mm +10 / - 3 mm Deviations for non-regularly shaped shuttering blocks shall be as given in Table 1 or as declared. Dimensions shall be determined according to 5.2.1.2. 4.2.1.2 Web recess area If not otherwise declared, the web recess area AR per web in a shuttering block in mm² shall be at least 0,2 times the core thickness tc in millimetres multiplied by the height of the shuttering block hb in millimetres (formula 1). bcRRRhtAAA××≥+=2,021 (1) The web recess area for ancillary shuttering blocks shall conform to this requirement or shall be declared. The web recess area shall be determined according to 5.2.1.3 . 4.2.1.3 Flatness The deviation from flatness shall not exceed 5 mm for the side faces and 3 mm for the bed faces. Deviation from flatness shall be determined according to 5.2.1.4. 4.2.1.4 Squareness When required for shuttering blocks with bed faces, end faces and side faces designed to be at right angles the deviation from a right angle shall not exceed 4 mm over a lengt
...