BS EN 12930-2015 Safety requirements for cableway installations designed to carry persons Calculations《载人用索道装置的安全要求 计算》.pdf

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1、BSI Standards PublicationBS EN 12930:2015Safety requirements forcableway installationsdesigned to carry persons CalculationsBS EN 12930:2015 BRITISH STANDARDNational forewordThis British Standard is the UK implementation of EN 12930:2015. Itsupersedes BS EN 12930:2004 which is withdrawn.The UK parti

2、cipation in its preparation was entrusted to TechnicalCommittee MCE/20, Aerial ropeways.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport to include all the necessaryprovisions of a contract. Users are responsible for i

3、ts correctapplication. The British Standards Institution 2015. Published by BSI StandardsLimited 2015ISBN 978 0 580 81710 6ICS 45.100Compliance with a British Standard cannot confer immunity fromlegal obligations.This British Standard was published under the authority of theStandards Policy and Stra

4、tegy Committee on 30 April 2015.Amendments issued since publicationDate Text affectedBS EN 12930:2015EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 12930 January 2015 ICS 45.100 Supersedes EN 12930:2004English Version Safety requirements for cableway installations designed to carry persons - C

5、alculations Prescriptions de scurit pour les installations cbles destines au transport de personne - Calculs Sicherheitsanforderungen an Seilbahnen fr den Personenverkehr - Berechnungen This European Standard was approved by CEN on 8 November 2014. CEN members are bound to comply with the CEN/CENELE

6、C 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

7、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 offic

8、ial versions. CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands,

9、Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels 2015 CEN All rights of e

10、xploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 12930:2015 EBS EN 12930:2015EN 12930:2015 2 Contents Page 1 Scope 7 2 Normative references 7 3 Terms and definitions .8 4 Symbols and abbreviations 8 5 General requirements 8 5.1 Application of this Sta

11、ndard .8 5.2 Safety principles 8 5.2.1 General 8 5.2.2 Hazard scenarios .9 5.2.3 Safety measures 9 6 General requirements for calculations 9 6.1 General comments.9 6.2 Calculation methods .9 6.3 Presentation of calculations 10 6.4 Verification by tests 10 6.5 Actions . 10 7 Verification by calculati

12、on for ropes. 12 7.1 General . 12 7.2 Actions to be taken into account when calculating the longitudinal profile and rope 13 7.2.1 Self weight and imposed loads . 13 7.2.2 Dynamic effects 14 7.2.3 Friction coefficients 14 7.2.4 Actions from wind and ice . 15 7.3 Tension safety factor General 15 7.4

13、Track ropes 15 7.4.1 Tension forces in the rope and sag 15 7.4.2 Tension safety factor 15 7.4.3 Bending stress 15 7.4.4 Minimum bearing forces 16 7.5 Haul and ballast ropes . 17 7.5.1 Tension forces in the rope and sag 17 7.5.2 Tension safety factor 17 7.5.3 Bending stress 18 7.5.4 Bearing safety .

14、18 7.6 Carrying-hauling ropes of aerial ropeways 18 7.6.1 Tension forces in the rope and sag 18 7.6.2 Tension safety factor 19 7.6.3 Bending stress 19 7.6.4 Minimum bearing forces 19 7.7 Haul ropes of ski-tows . 20 7.7.1 Tension forces in the rope and sag 20 7.7.2 Tension safety factor 20 7.7.3 Bend

15、ing stress 20 7.7.4 Minimum bearing forces 20 7.8 Tension ropes . 21 7.8.1 Tension forces in the ropes . 21 7.8.2 Tension safety factor 21 7.8.3 Bending stress 21 BS EN 12930:2015EN 12930:2015 3 7.9 Evacuation ropes . 21 7.9.1 Tension forces in the ropes, sag, bearing forces, bending stress 21 7.9.2

16、 Tension safety factor 21 7.9.3 Smallest nominal diameter of endless evacuation ropes . 22 7.10 Conductor, restraint and marker ropes . 22 7.10.1 Tension safety factor 22 7.10.2 Bending stress . 22 8 Load transmission on the drive sheave 22 8.1 Safe transmission of tangential force . 22 8.2 Permissi

17、ble friction coefficients at the drive sheave 23 8.3 Load cases . 23 9 Calculation of drive power 23 9.1 General . 23 9.2 Continuous power for cableway installations in non-continuous operation 24 9.3 Continuous power for cableway installations in continuous operation 24 9.4 Acceleration power . 24

18、10 Actions of ropes and carriers on civil engineering works 24 10.1 General . 24 10.2 Actions due to tension forces in the ropes 25 10.3 Wind forces on ropes and carriers 25 10.4 Friction forces of ropes on the civil engineering works . 25 10.5 Ice curtains on ropes 25 10.6 Starting and braking forc

19、es 25 10.7 Dynamic effects during operation . 25 10.8 Actions resulting from installation and maintenance work 26 10.9 Accidental actions . 26 10.9.1 General . 26 10.9.2 Braking forces . 26 10.9.3 Actions due to derailment of rope onto the rope catcher . 26 10.9.4 Actions due to derailment of rope o

20、nto the rope catcher arm of a compression support 26 10.9.5 Actions due to a complete deropement of a moving rope on one side . 27 10.9.6 Breakage of a conductor cable anchored to a support structure 27 10.9.7 Other accidental actions . 27 11 Deformations of supports. 27 12 Technical documents for t

21、he line profile 27 12.1 For funicular railways . 27 12.2 For aerial ropeways . 27 12.3 For ski-tows . 27 Tables Table ZA.1 Correspondence between this European Standard and Directive 2000/9/EC relating to cableway installations designed to carry persons 29 BS EN 12930:2015EN 12930:2015 4 Foreword Th

22、is document (EN 12930:2015) has been prepared by Technical Committee CEN/TC 242 “Safety requirements for cableway systems for passenger transportation”, the secretariat of which is held by AFNOR. This European Standard shall maintain the status of a National Standard, either with the publication of

23、an identical text or by recognition up to July 2015, and any opposing National Standards shall be withdrawn by July 2015. 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 identif

24、ying any or all such patent rights. This document is intended to replace EN 12930:2004. 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 the EU Directive 2000/9/EC. For the relation

25、ship with the EU Directive 2000/9/EC, see informative Annex ZA, which is an integral part of this document. The following main changes have been made to EN 12930:2004: In Clause 3 the term and definition “curvature ratio” has been replaced with the term “diameter ratio” and is defined in EN 1907. In

26、 Clause 3 the term and definition “safety component” has been removed, as the term and definition is defined in EN 1907 and/or in the Directive 2009/9/EC. In 5.2.2, 6.2 b) and 7.4.1 a) for the combinations of actions, the reference to their compatibility has been included. In 6.2 the requirement on

27、calculation methods with regard to precision has been added. In 6.5 the wind force and the dynamic pressure are shown in simplified form and the possible deviation as a result of cableway-specific circumstances has been added. In 6.5 the usually assumed minimum dynamic pressure out of operation has

28、been specified as 1,20 kN/m. In 6.5 consistency with EN 12929-1 has been achieved with regard to the reduction coefficient. In 6.5.5.3 the requirements for the ice load dependent on the nominal rope diameter have been changed, whereby provisions of international and national Standards (ISO 12494, EN

29、 50341) have been taken into account. In 7.1.1 the non-essential details concerning the precision of the calculation of rope angles have been removed and the information concerning the step size for the calculation of longitudinal profile has been simplified with concentrated loads. In 7.1.4 due to

30、the technical development of calculation programmes, the use of simplified calculation methods has been restricted. In 7.1.5 consistency with EN 1908 has been achieved. BS EN 12930:2015EN 12930:2015 5 In 7.1.6 requirements to avoid rope spans which are too long and a too heavy concentration of carri

31、ers has been explained in more detail. The requirements for uni-directional aerial ropeways which are also operated with individual carriers have been compared with the requirements for group ropeways and cableways with carrier groups. In 7.2.3 the assumed friction coefficients for the line and rope

32、 calculations have been added. In 7.2.4 the reduction factor for the wind force in the “out of operation” load case has been added to the requirements. In 7.3 consistency with series EN 12927 has been achieved. In 7.4.1 b) the technically unfounded restriction on track ropes with fixed ends has been

33、 removed. 7.4.4 has been revised in order to clarify the previous requirements. In 7.5.2 the restriction of the smallest permissible tension safety factor whilst taking into consideration the wind and ice out of operation and in the case of cord tension as a result of differing groove diameters of m

34、ulti-grooved drive sheaves has been added. In 7.5.2 c) and 7.6.2 c) the maximum tension safety factor on the long splicing has been restricted. In 7.5.4 the requirements concerning the verification of safe support of moving ropes in the case of suspended haul rope supports have been added. In 7.6.1

35、b) the partially incomplete specifications with regard to load positions for the approximation methods have been removed. In 7.6.2 the restriction of the smallest permissible tension safety factor whilst taking into consideration the wind and ice out of operation has been added. In 7.7.4 the technic

36、ally unfounded requirement of the smallest bearing force for compression line support structures in the area of the loading area of ski-tows has been removed. The former 7.9.2 regarding the limit profile of the ropes of evacuation railways has been moved to EN 12929-1 to the remaining specifications

37、 with regard to the limit profile. In 7.9.2 a) the smallest permissible tension safety factor for endless evacuation ropes has been amended. The identification of the smallest nominal diameter of endless evacuation ropes has been moved to the new 7.9.3. The former 7.10.1 regarding the limit profile

38、of the conductor, restraint and marker ropes has been moved to EN 12929-1 to the remaining specifications with regard to the limit profile. In 8.2.1 the list of the permissible friction values on the drive sheaves in the case of a complete loss of pressure in the hydraulic tensioning devices has bee

39、n added. In 10.9.3 and 10.9.4 the actions as a result of a derailment on the towing ropes has been restricted. In 10.9.5 the actions as a result of a complete deropement have been specified in more detail and simplified. 10.9.6 has been removed as an accidental action, as if with detachable cableway

40、s which have a garaging possibility, the empty carriers on the rope are subjected to a wind “out of operation”, no further standardised specifications have been made. BS EN 12930:2015EN 12930:2015 6 In Annex A the A-deviation for Germany has been removed. Annex ZA has been updated. This European Sta

41、ndard forms part of a series of European Standards concerning safety requirements for cableway installations designed to carry persons. This series of Standards comprises the following parts: EN 1907 Terminology EN 12929 (all parts) General requirements EN 12930 Calculations EN 12927 (all parts) Rop

42、es EN 1908 Tensioning devices EN 13223 Drive systems and other mechanical equipment EN 13796 (all parts) Carriers EN 13243 Electrical equipment other than for drive systems EN 13107 Civil engineering works EN 1709 Precommissioning inspection, maintenance and operational inspection and checks EN 1909

43、 Recovery and evacuation EN 12397 Operation EN 12408 Quality assurance Together these form a series of Standards regarding design, manufacture, erection, maintenance and operation of all cableway installations designed to carry persons. In respect of ski-tows, the drafting of this document has been

44、guided by the works of the International Organisation for Transportation by Rope (OITAF). According to the CEN-CENELEC Internal Regulations, the national standards organisations of the following countries are bound to implement this European Standard: Belgium, Bulgaria, Denmark, Germany, the former

45、Yugoslav Republic of Macedonia, Estonia, Finland, France, Greece, Ireland, Iceland, Italy, Croatia, Latvia, Lithuania, Luxemburg, Malta, the Netherlands, Norway, Austria, Poland, Portugal, Romania, Sweden, Switzerland, Slovakia, Slovenia, Spain, Czech Republic, Turkey, Hungary, United Kingdom and Cy

46、prus. BS EN 12930:2015EN 12930:2015 7 1 Scope This European Standard specifies the general safety requirements applicable to the calculations for cableway installations designed to carry persons. This document is applicable to the various types of cableway installations and takes into account their

47、environment. It contains: general requirements for calculations and their presentation; general requirements relating to the actions that shall be taken into account in the calculation of components as a basis for the requirements of the standards EN 13223, EN 13107, EN 12927 (all parts) and EN 1908

48、; requirements relating to verification of ropes by calculation; requirements relating to the determination of the drive power; requirements for the actions of the ropes and carriers on the support structures and for the deformations of these support structures. It does not apply to installations fo

49、r the transportation of goods nor to lifts. 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. EN 1709, Safety requirements for cableway installations designed to carry persons Precommissioning inspection, m

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