ICS 91.060.40
ENDUSTRIYELBACALAR-SERBESTDURAN-BOLUM1: GENELOZELLIKLER
Free-standing chimneys-Part1:Generalrequirements
Onsoz
olarakkabul edilmistir.
Supersedes EN 13084-1:2000
English Version
Free-standingchimneys-Part 1:Generalrequirements
Freistehende Schornsteine - Teil 1: AllgemeineAnforderungen
Cheminees autoportantes - Partie 1 : Exigences generales
This European Standard was approved by CEN on 23 December 2006.
CEN members are bound to ply 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 lis and bibliographical references concerming such national standards may be obtained on application to the CEN Management Centre or to any CEN member.
This EuropeanStandardxistsin three oficial ersions (Engish French eman)Averionn any otherlanguaemade by translainunder theresponsibity of a CENmemberintoits wn language and notied t the CEN Management Centre has the same status as the official versions.
CEN members are the national standards bodies of Austria Belgium Bulgaria Cyprus Czech Republic Denmark Estonia Finland France Germany Greece Hungary Iceland Ireland laly Latvia Lituania Luxembourg Mala Netherlands Norway Poland Portugal. Romania Slovakia Slovenia Spain Sweden Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION COMITE EUROPEEN DE NORMALISATIONEUROPAISCHES KOMITEE FUR NORMUNG
Management Centre: rue de Stassart 36 B-1050 Brussels
Contents
Foreword.. .41 Scope. .52 Normative references.. 5Terms and definitions ..64 4.1 Performance requirements; general design.. Materials. ... .84.2 4.2.1 Flue gas considerations... General.4.2.2 Design parameters.. .8 .84.2.3 4.2.4 Heat flow calculations. Flow calculations.. ..11 ..94.2.5 4.3 Environmental aspects Chemical attack.. ..1 .134.3.2 4.3.1 Noise. ..134.3.3 Protection against falling ice.. ..1.4.3.4 4.4 Gas tightness. Insulation. ..144 .144.5 4.6 Protective coatings.. Ventilation.. .154.7 Foundation... Accessories.... .154.8 4.8.1 Access4.8.2 4.8.3 Lightning protection.. Aircraft warning system. .164.8.4 Additional accessories. ...175 5.1 Basic design principles. Performancerequirements:Structural design ...17 175.2 5.2.1 General.. Actions. .185.2.2 Permanent actions... ..185.2.4 5.2.3 Variable actions Accidental actions. .205.4 5.3 Imperfections. Foundation .215.5 Liner.. ..219 Site activities. ..217 Inspection and maintenance ..22Annex A (normative) Gas flow calculation.. 8 Instrumentation. ..23 .22A.1 Parameters related to construction type. Principal featuresof themethod ofcalculation..A.2.1 A.2 Roughness ..23 .23A.3 A.2.2 Thermal resistance.. Basic values for the calculation..... ..24 .23
A.3.1 Air temperature.. Outside air pressure.. .24A.3.2 A.3.3 Flue gas. 24 24A.3.5 A.3.4 Gas constant. Density of outside air. 25 26A.3.7 A.3.6 Specific heat capacity Correctionfactorfor temperature.... .26 26A.3.8 Flow safety coefficient.. .26A.4 A.4.1 Flue gas temperatures. Determination of temperatures .27 27A.4.2 A.4.3 Coefficientofcoling... Heat transmission coefficient. .27 27A.4.4 A.5 Density of flue gas.. Internal heat transfer coefficient. 28 29A.6 Flue gasvelocity... 29A.7 A.7.1 Pressure at entry of flue gas into chimney Calculation of pressure.. .30 30A.7.2 A.7.3 Theoretical draught available due to chimney effect Pressure resistance of the flue gas carrying tube. .30 30A.7.5 A.7.4 Individual resistance coefficient. Flue friction coefficient... .31A.7.6 Change in pressure due to change of velocity. .31A.7.7 A.8 s s s n o ns n nss Minimum velocity.... .31Annex B(informative)Site activities .37B.1 B.2 Programming and coordination of works... Execution...B.3 B.4 Site safety.. Local conditions. ...38 .37Bibliography.. 39
