Chimneys - Components - Concrete flue blocks

This European Standard specifies the materials, dimensional and performance requirements for precast concrete flue blocks as defined in Clause 3 for use in chimneys. The flue blocks may be of single wall or multi wall construction. The standard does not apply to flue blocks with back ventilation.
This standard does not cover products designated wet (W) in conjunction with corrosion class 3.
The standard also specifies a type of flue block to dimensionally co-ordinate with masonry unit coursing height, referred to as a type B (Bonding block).
This European Standard also applies to storey-height and flue blocks reinforced for handling.
NOTE   Any reference to the term flue blocks implies both flue blocks and their fittings, except where otherwise indicated.

Abgasanlagen - Bauteile - Betonformblöcke

Diese Europäische Norm legt die Anforderungen an die Werkstoffe, die Maße sowie die Leistungs-anforderungen an Formblöcke aus Fertigbeton, wie in Abschnitt 3 festgelegt, zur Verwendung in gestrichener Text"Abgasanlagen fest. Die Formblöcke können einschalig oder mehrschalig sein. Diese Norm gilt nicht für Formblöcke, die hinterlüftet sind. Diese Norm gilt nicht für Produkte, die mit feucht (W) gekennzeichnet sind in Verbindung mit Korrosions-beständigkeitsklasse 3. Diese Norm beschreibt außerdem einen Typ von Formblöcken, der mit der Schichthöhe des Mauerwerkes maßlich abgestimmt ist und als Typ B (Verbundblock) bezeichnet wird. Diese Europäische Norm gilt außerdem für geschosshohe und mit einer Transportbewehrung versehene Formblöcke. ANMERKUNG Sämtliche Verweisungen auf den Begriff Formblöcke bedeuten in dieser Norm immer Formblöcke und ihre Formstücke, außer wenn es anders angegeben ist.

Conduits de fumée - Composants - Conduits de fumée simple et multiparois en béton

La présente Norme européenne spécifie les exigences relatives aux matériaux, aux dimensions et aux
performances applicables aux conduits en béton tels que définis à l’Article 3 et constitutifs !texte supprimé
de conduits de fumée. Les conduits peuvent être à simple paroi ou multiparois. La norme ne s'applique pas aux
conduits ventilés par l’extérieur.
La présente norme ne couvre pas les produits désignés humides (W) associés à la classe de corrosion 3.
La norme spécifie également un type de conduit de dimensions coordonnées à la hauteur d'assise des blocs de
maçonnerie, et désigné par conduit de type B (conduits appareillés).
La présente Norme européenne couvre également les conduits hauteur d'étage et les boisseaux armés pour
la manutention.
NOTE Toute référence au terme conduit de fumée implique l’ensemble des conduits et leurs accessoires, sauf
indication contraire.

Dimniki - Sestavni deli - Betonski bloki za dimnike

Ta evropski standard določa zahteve glede materiala, mer in zmogljivosti za montažne betonske obloge za dimnike, kot je določeno v točki 3 za uporabo pri dimnikih. Bloki za dimnike imajo lahko konstrukcijo iz enega ali več zidov. Standard ne velja za bloke za dimnike z ozadnjim prezračevanjem. Ta standard ne zajema proizvodov, ki so označeni kot mokri (W) v povezavi s korozijskim razredom 3. Standard prav tako določa tip bloka za dimnike, da se dimenzijsko uskladi z višino enote zidakov v steni, v nadaljevanju vrsta B (vezni blok). Ta evropski standard prav tako velja za bloke za dimnike etažne višine in bloke, ojačane za ravnanje z njimi.

General Information

Status
Published
Publication Date
28-Jun-2011
Current Stage
6060 - Definitive text made available (DAV) - Publishing
Due Date
29-Jun-2011
Completion Date
29-Jun-2011

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2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Dimniki - Sestavni deli - Betonski bloki za dimnikeAbgasanlagen - Bauteile - BetonformblöckeConduits de fumée - Composants - Conduits de fumée simple et multiparois en bétonChimneys - Components - Concrete flue blocks91.100.30Beton in betonski izdelkiConcrete and concrete products91.060.40Dimniki, jaški, kanaliChimneys, shafts, ductsICS:Ta slovenski standard je istoveten z:EN 1858:2008+A1:2011SIST EN 1858:2009+A1:2011en,fr,de01-oktober-2011SIST EN 1858:2009+A1:2011SLOVENSKI

STANDARDSIST EN 1858:20091DGRPHãþD
SIST EN 1858:2009+A1:2011
EUROPEAN STANDARD NORME EUROPÉENNE EUROPÄISCHE NORM
EN 1858:2008+A1
June 2011 ICS 91.060.40; 91.100.30 Supersedes EN 1858:2008English Version
Chimneys - Components - Concrete flue blocks

Conduits de fumée - Composants - Conduits de fumée simple et multiparois en béton

Abgasanlagen - Bauteile - Betonformblöcke This European Standard was approved by CEN on 1 November 2008 and includes Amendment 1 approved by CEN on 14 May 2011.

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-CENELEC 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-CENELEC 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 © 2011 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1858:2008+A1:2011: ESIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 2 Contents Page Foreword ..............................................................................................................................................................41Scope ......................................................................................................................................................52Normative references ............................................................................................................................53Terms and definitions ............................................................................................................................54Materials .................................................................................................................................................74.1General ....................................................................................................................................................74.2Reaction to fire .......................................................................................................................................75Reinforcement for handling ..................................................................................................................86Surface treatment ..................................................................................................................................87Form, dimensions and tolerances .......................................................................................................87.1Form ........................................................................................................................................................87.2Type B flue blocks .................................................................................................................................87.3Tolerances ..............................................................................................................................................97.4Straightness ........................................................................................................................................ 107.5Squareness of ends ............................................................................................................................ 108Performance ........................................................................................................................................ 108.1Heat stress resistance ........................................................................................................................ 108.2Heat shock resistance ........................................................................................................................ 108.3Thermal resistance ............................................................................................................................. 118.4Gas tightness ...................................................................................................................................... 118.5Abrasion resistance ........................................................................................................................... 128.6Compressive strength ........................................................................................................................ 128.7Corrosion resistance .......................................................................................................................... 128.8Condensate resistance ...................................................................................................................... 138.9Bulk density ......................................................................................................................................... 138.10Flexural strength under wind loading .............................................................................................. 138.11Flow resistance ................................................................................................................................... 138.12Freeze-thaw resistance ...................................................................................................................... 148.13Resistance to fire external to external .............................................................................................. 148.14Dangerous substances ...................................................................................................................... 149Designation ......................................................................................................................................... 149.1General ................................................................................................................................................. 149.2Temperature class .............................................................................................................................. 159.3Pressure class ..................................................................................................................................... 159.4Resistance to fire class ...................................................................................................................... 169.5Resistance to condensate class ....................................................................................................... 169.6Corrosion resistance class ................................................................................................................ 1610Marking ................................................................................................................................................ 1711Product information............................................................................................................................ 1712Evaluation of conformity .................................................................................................................... 1712.1General ................................................................................................................................................. 1712.2Initial type testing ............................................................................................................................... 1812.3Further type tests................................................................................................................................ 1812.4Factory production control ................................................................................................................ 18Annex A (normative)

Test methods .............................................................................................................. 19SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 3 A.1Squareness of ends test ..................................................................................................................... 19A.2Straightness test ................................................................................................................................. 21A.3Heat stress resistance and heat shock test...................................................................................... 22A.4Thermal resistance .............................................................................................................................. 27A.5Gas tightness test ............................................................................................................................... 29A.6Abrasion resistance test ..................................................................................................................... 31A.7Compressive strength test ................................................................................................................. 32A.8Corrosion and condensate resistance test ....................................................................................... 33A.9Flexural strength under wind load ..................................................................................................... 36A.10Bulk density ......................................................................................................................................... 37A.11Ultimate compressive strength .......................................................................................................... 38Annex B (informative)

Examples of concrete flue block shapes ............................................................... 39B.1Straight flue blocks ............................................................................................................................. 39B.2Flue block fittings - Tee/access/connection unit ............................................................................. 40B.3Examples of Type B flue block shapes ............................................................................................. 41Annex C (normative)

Thermal resistance calculation method ................................................................... 43C.1Thermal resistance of the individual element .................................................................................. 43C.2Thermal resistance of the chimney and of enclosures ................................................................... 43Annex D (normative)

Requirements of sampling plan according to ISO 2859-1:1999 at an Acceptable Quality Level (AQL) of 10 % and inspection level S2 .................................................. 44D.1Acceptability determination ............................................................................................................... 44D.2Normal inspection ............................................................................................................................... 44D.3Reduced Inspection ............................................................................................................................ 46D.4Reduced to normal inspection ........................................................................................................... 47D.5Tightened inspection .......................................................................................................................... 47D.6Tightened to normal inspection ......................................................................................................... 47D.7Discontinuation of inspection ............................................................................................................ 47Annex E (informative)

Recommended test sequence ................................................................................ 48Annex ZA (informative)

Clauses of this European standard addressing the provisions of the EU Construction Products Directive ....................................................................................................... 49ZA.1 Relationship between EU Directives and this European Standard .................................................... 49ZA.2 Procedure of attestation of conformity of concrete flue blocks ......................................................... 51ZA.3 CE Marking and labelling ........................................................................................................................ 52Bibliography ...................................................................................................................................................... 55 SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 4 Foreword This document (EN 1858:2008+A1:2011) has been prepared by Technical Committee CEN/TC 166 “Chimneys”, the secretariat of which is held by !ASI". 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 2011, and conflicting national standards shall be withdrawn at the latest by March 2013. 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. For the relationship with the EU Directives, see informative Annex ZA, which is an integral part of this standard. In this European Standard, the Annexes A, C and D are normative (not forming part of the product specification) and Annexes E and ZA are informative. This document includes Amendment 1 approved by CEN on 14 May 2011. The start and finish of text introduced or altered by amendment is indicated in the text by tags !". This document supersedes !EN 1858:2008". This Standard is one of a series of co-ordinated standards dealing with specification, design, testing and installation of chimneys, both single and multi wall. The co-ordinated package of standards is further divided by material of construction and this European Standard is one of a series of specifications and execution documents dealing with design and installation of concrete chimney products and systems. The standards in this series for concrete chimney products and systems are: EN 1857, Chimneys — Components — Concrete flue liners; EN 1858, Chimneys — Components — Concrete flue blocks; EN 12446, Chimneys — Components — Concrete outer wall elements. 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 the United Kingdom. SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 5

1 Scope This European Standard specifies the materials, dimensional and performance requirements for precast concrete flue blocks as defined in Clause 3 for use in !deleted text " chimneys. The flue blocks may be of single wall or multi wall construction. The standard does not apply to flue blocks with back ventilation. This standard does not cover products designated wet (W) in conjunction with corrosion class 3. The standard also specifies a type of flue block to dimensionally co-ordinate with masonry unit coursing height, referred to as a type B (Bonding block). This European Standard also applies to storey-height and flue blocks reinforced for handling. NOTE Any reference to the term flue blocks implies both flue blocks and their fittings, except where otherwise indicated. 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 206-1: 2000, Concrete — Part 1: Specification, performance, production and conformity EN 1443, Chimneys — General requirements EN 10088-2, Stainless steel — Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes EN 13216-1, Chimneys — Test methods for system chimneys — Part 1: General test methods EN 13384-1, Chimneys — Thermal and fluid dynamic calculation methods — Part 1: Chimneys serving one appliance EN 14297: 2004, Chimneys — Freeze-thaw resistance test method for chimney products EN ISO 7500-1:2004, Metallic materials — Verification of static uniaxial testing machines — Part 1: Tension/compression testing machines !(ISO 7500-1:2004)" ISO 2859-1:1999, Sampling procedures for inspection by attributes — Part 1: Sampling schemes indexed by acceptance quality limit (AQL) for lot-by-lot inspection 3 Terms and definitions For the purposes of this European Standard, the terms and definitions given in EN 1443 and the following apply. 3.1 flue block fitting element fitted to the flue block such as an access opening or offset SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 6 3.2 hollow wall flue block flue block having vertical cavities NOTE Cavities may pass through both ends of the block. 3.3 manufacturer's declared internal transverse dimension internal dimension of the flue block measured perpendicular to the longitudinal axis 3.4 manufacturer's declared height internal height of the flue block NOTE Examples of measurement are shown in Figure 1. HH

a) with rebate b) with plain end Key H

internal height Figure 1 — Manufacturer's declared height 3.5 manufacturer's declared structural height maximum constructional height of the flue blocks as declared by the manufacturer 3.6 manufacturer's declared overall wall thickness dimensions at its thinnest point, between the inside face of the flue and the outside face of the flue block, not measured at any joint feature, e.g. spigot/socket end 3.7 multi wall flue block flue block consisting of a flue liner and at least one additional wall 3.8 reinforced flue block flue block having reinforcement to assist handling (not for structural stability) 3.9 solid wall flue block flue block without cavities in the thickness of its walls SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 7 3.10 straight flue block flue block designed to be used in a vertical section of a chimney, without having any special characteristics and having the ends perpendicular to the axis of the flue 3.11 storey-height flue block factory made flue block having an overall height relating to the floor to floor height of a building 3.12 transfer block flue block designed to facilitate connection to another chimney product 3.13 concrete material formed by mixing cement, aggregate and water and with or without the incorporation of admixtures or additions, which develops its properties by hydration of the cement

[EN 206-1:2000] 3.14 precast concrete

concrete that is cast in a place other than its final location of use 3.15 type B flue block type B (Bonding) block bonding block dimensionally co-ordinated with masonry unit coursing height, and having a designation T250, N, D1, O xx (see Clause 9). 4 Materials 4.1 General The wall or walls of flue blocks shall be precast concrete. For multiwall flue blocks the liner and outer wall may be separated by an air space or insulation. Materials used in the manufacture of flue blocks shall be identified for factory production control purposes. When insulation forms part of a flue block, it shall be of bonded material as specified by the manufacturer. If the insulation is supplied as a separate item, it shall be installed in accordance with the flue block manufacturer’s installation instructions.

The manufacturer shall declare the bulk density of the flue block and when tested to A.10 the density shall be within ± 10 % of the declared value (see 8.9).

4.2 Reaction to fire In accordance with Commission Decision 96/603/EC, as amended, flue blocks to this standard are classified as reaction to fire class A1 without test provided, they contain not more than a mass or volume fraction of 1 % (whichever is the more onerous) of homogeneously distributed organic materials. SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 8 5 Reinforcement for handling 5.1 Where a flue block is reinforced for handling, the reinforcement shall have a maximum diameter of 8 mm and a minimum concrete cover of 15 mm on all sides for temperature classes up to and including T250 and a minimum concrete cover of 20 mm on all sides for all other temperature classes. 5.2 In flue blocks having a bulk density of less than 2 000 kg/m3, when measured in accordance with Clause A.10, any reinforcement shall be protected against corrosion by one of the following means: a) use of stainless steel; b) by completely covering any mild steel reinforcement with a coating (e.g. typically Portland cement CEM I or CEM II mixed with water to form a slurry, or epoxy resin). 6 Surface treatment Any surface treatment of the flue block, e.g. render, shall be applied, as described by the product manufacturer, before the product is tested. 7 Form, dimensions and tolerances 7.1 Form 7.1.1 Single wall or multi-wall flue blocks shall be manufactured in one of the following forms: a) single flue; b) multi-flue; c) flue/ventilation combination. NOTE See Annex B for examples of typical flue block types. 7.1.2 Flue blocks shall have a maximum of four flues or ventilation passages. 7.2 Type B flue blocks 7.2.1 The co-ordinating height of Type B flue blocks shall be declared by the manufacturer. NOTE The co-ordinating height is the height of the flue block plus an allowance for jointing so that the flue block will align with one or more specified coursing heights in a brick or block wall. See Figure 2. 7.2.2 When measured perpendicular to the axis of the flue for Type B flue blocks, the minimum dimensions of the flue shall be not less than 90 mm and the cross-sectional flue area shall be not less than 16 500 mm2. In transfer blocks, the flue shall taper to a diameter of not less than 125 mm. 7.2.3 The bonding extension on straight bonding Type B flue blocks shall not be less than 75 mm (see Clause B.3). SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 9 1475623 Key 1 flue 2

flue block 3 masonry unit 4 flue block height 5 co-ordinating height 6 coursing height 7 jointing allowance Figure 2 — Type B flue blocks jointing with masonry units 7.2.4 The angle of offset in any Type B flue block shall not exceed 30° (see Clause B.3). 7.2.5 Starter Type B flue blocks shall have internal transverse dimensions not less than 305 mm side × 115 mm deep (see Clause B.3). 7.2.6 When jointed together in accordance with the manufacturer's installation instructions, the flue in adjacent Type B flue blocks shall align to within 3 mm. 7.3 Tolerances Tolerances on manufacturer's declared dimensions, including taper, shall be: a) Declared internal transverse dimensions below 300 mm :

± 3 mm 300 mm and above :
± 1,5 % b) Declared height below 300 mm :
± 5 mm 300 mm to 700 mm :
± 7 mm above 700 mm :
± 10 mm SIST EN 1858:2009+A1:2011
EN 1858:2008+A1:2011 (E) 10 c) Declared overall wall thickness below 10 mm :
mm 12+− 10 mm to 40 mm :
mm 51,5+− above 40 mm :

% 125+− 7.4 Straightness 7.4.1 When tested as described in A.2, the limit deviation from straightness of a straight concrete flue block of manufacturer's declared height greater than 300 mm and less than 1 000 mm shall not be greater than 1 % of the declared height. 7.4.2 When tested as described in A.2 for flue blocks having a manufactured height equal to or greater than 1 000 mm, the limit deviation shall not be greater than 0,5 % of the manufacturers declared height. 7.5 Squareness of ends When tested in accordance with either procedure described in A.1, the test sample shall not touch the upright for the first procedure and the dimension G shall not be greater than 5 mm for the second procedure. 8 Performance 8.1 Heat stress resistance 8.1.1 When flue blocks and fittings, including those designated soot fire resistant, are tested in accordance with A.3 at the test temperature appropriate to the designation specified in Table 1, the flue block shall subsequently meet the requirements of 8.4. In addition, flue blocks and fittings having a compressive strength less than 10 MPa, or having a temperature designation above T250 and/or designated soot fire resistant, shall meet the requirements of 8.5.

When a flue block is multi-flued with an equal wall thickness, the heat stress test shall be carried out on the flue with the highest designation and temperature. 8.1.2 Flue block bends, made of the same material mix and by the same method of manufacture as the tested straight flue block shall be deemed to comply with the requirement in 8.1.1.

8.1.3 Flue block bends and fittings, made of a different material mix or using a different method of manufacture from those described in 8.1.2, shall be checked for heat stress resistance by testing a special straight test sample in accordance with 8.1.1. This straight test sample shall be made using the same material mix and manufacturing method as the bend or fitting.

8.1.4 The distance to combustible material, xx, shall be declared. The maximum temperature measured on the surface of adjacent combustible materials shall not exceed 85 °C when related to an ambient temperature of 20 °C.

8.2 Heat shock resistance 8.2.1 Following the heat stress resistance test in 8.1, when a flue block designated as soot fire resistant is tested as described in A.3 at a flue gas temperature of 1 000 °C for a period of 30 min ± 1 min, the block shall subsequently meet the requirements of 8.4. In addition, flue blocks and fittings having a compressive strength SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 11 less than 10 MPa, or having a temperature designation above T250 and/or designated soot fire resistant shall meet the requirements of 8.5. 8.2.2 Flue block bends made of the same material mix and by the same method of manufacture as the tested straight flue block, shall be deemed to comply with the requirement in 8.4. 8.2.3 Flue block bends and fittings, made of a different material mix or using a different method of manufacture from those described in 8.2.1, shall be checked for heat shock by testing a special straight test in accordance with 8.1.1. 8.2.4 The distance to combustible material, xx, shall be declared. The maximum temperature measured on the surface of adjacent combustible materials shall not exceed 100 °C when related to an ambient temperature of 20 °C, when the test assembly is tested at the test temperature of 1 000 °C over a period of 30 min.

Table 1 — Heat stress test temperature Temperature group Temperature of flue gas °C T600 700 500+ T450 550 500+ T400 500 500+ T300 350 350+ T250 300 300+ T200 250 250+ T160 190 190+ T140 170 170+ T120 150 150+ T100 120 120+ T080 100 100+

8.3 Thermal resistance Thermal resistance shall be measured in accordance with the method given in A.4 (reference method) or calculated in accordance with the method given in Annex C and the value obtained declared. 8.4 Gas tightness When tested in accordance with A.5, the gas tightness expressed as a leakage rate of the flue block shall not be greater than the values specified in Table 4 for the relevant gas tightness class before and after the thermal performance tests. SIST EN 1858:2009+A1:2011

EN 1858:2008+A1:2011 (E) 12 8.5 Abrasion resistance All flue blocks having satisfied the gas tightness requirements of 8.4, when tested as described in A.6, the weight of the deposit collected shall not exceed the values in Table 2, and shall subsequently meet the gas tightness requirements of 8.4. Table 2 — Abrasion resistance Dry density kg/m³ Maximum abrasion of inner surface kg/m² 1 000 1,000 1 100 1,100 1 200 1,200 1 300 1,300 1 400 1,400 1 500 1,500 1 600 1,600 1 700 1,700 1 850 1,850

8.6 Compressive strength 8.6.1 The manufacturer shall declare the structural height. When tested as described in A.7, straight flue blocks and straight fittings shall withstand an intensity of loading equivalent to four times the manufacturer's declared structural height. NOTE The manufacturer's declared structural height can be derived from the ultimate compressive strength determined by the method in Clause A.11. Type B flue blocks shall be tested as a complete element and shall not be cut. 8.6.2 Flue block bends and fittings, made of the same material mix and by the same method

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