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本文(DIN EN ISO 12215-5-2014 Small craft - Hull construction and scantlings - Part 5 Design pressures for monohulls design stresses scantlings determination (ISO 12215-5 2008 + Amd 1 20.pdf)为本站会员(sumcourage256)主动上传,麦多课文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

DIN EN ISO 12215-5-2014 Small craft - Hull construction and scantlings - Part 5 Design pressures for monohulls design stresses scantlings determination (ISO 12215-5 2008 + Amd 1 20.pdf

1、October 2014 Translation by DIN-Sprachendienst.English price group 33No part of this translation may be reproduced without prior permission ofDIN Deutsches Institut fr Normung e. V., Berlin. Beuth Verlag GmbH, 10772 Berlin, Germany,has the exclusive right of sale for German Standards (DIN-Normen).IC

2、S 47.080; 47.020.10!%;r“2247999www.din.deDDIN EN ISO 12215-5Small craft Hull construction and scantlings Part 5: Design pressures for monohulls, design stresses, scantlingsdetermination (ISO 12215-5:2008 + Amd 1:2014);English version EN ISO 12215-5:2008 + A1:2014,English translation of DIN EN ISO 12

3、215-5:2014-10Kleine Wasserfahrzeuge Rumpfbauweise und Dimensionierung Teil 5: Entwurfsdrcke fr Einrumpffahrzeuge, Entwurfsspannungen, Ermittlung derDimensionierung (ISO 12215-5:2008 + Amd 1:2014);Englische Fassung EN ISO 12215-5:2008 + A1:2014,Englische bersetzung von DIN EN ISO 12215-5:2014-10Petit

4、s navires Construction de coques et chantillonnage Partie 5: Pressions de conception pour monocoques, contraintes de conception,dtermination de lchantillonnage (ISO 12215-5:2008 + Amd 1:2014);Version anglaise EN ISO 12215-5:2008 + A1:2014,Traduction anglaise de DIN EN ISO 12215-5:2014-10SupersedesDI

5、N EN ISO 12215-5:2009-08www.beuth.deDocument comprises 120 pagesIn case of doubt, the German-language original shall be considered authoritative.09.14 DIN EN ISO 12215-5:2014-10 2 A comma is used as the decimal marker. National foreword This document (EN ISO 12215-5:2008 + A1:2014) has been prepared

6、 by Technical Committee ISO/TC 188 “Small craft” in collaboration with CCMC. The responsible German body involved in its preparation was the DIN-Normenstelle Schiffs- und Meerestechnik (DIN Standards Committee Shipbuilding and Marine Technology), Working Committee NA 132-08-01 AA Kleine Wasserfahrze

7、uge. This document includes ISO 12215-5:2008 and Amendment A1:2013, approved by CEN on 2014-05-28. The start and finish of text introduced or altered by Amendment 1 is indicated in the text by tags !“. In the light of the publication of EU Directive 2003/44/EC amending EU Directive 94/25/EC, the fol

8、lowing is to be noted: In German, the term Auslegungskategorie has been replaced by the term Entwurfskategorie (design category). Design categories A and D in this standard deviate from those given in Directive 2003/44/EC, where they are defined as follows: A. Ocean: Designed for extended voyages wh

9、ere conditions may exceed wind force 8 (Beaufort scale) and significant wave heights of 4 m and above but excluding abnormal conditions, and vessels largely self-sufficient. D. Sheltered waters: Designed for voyages on sheltered coastal waters, small bays, small lakes, rivers and canals when conditi

10、ons up to, and including, wind force 4 and significant wave heights up to, and including, 0,3 m may be experienced, with occasional waves of 0,5 m maximum height, for example from passing vessels. The DIN Standards corresponding to the International Standards referred to in this document are as foll

11、ows: ISO 178 DIN EN ISO 178 ISO 527-1 DIN EN ISO 527-1 ISO 527-2 DIN EN ISO 527-2 ISO 844 DIN EN ISO 844 ISO 845 DIN EN ISO 845 ISO 8666 DIN EN ISO 8666 ISO 12215-3 DIN EN ISO 12215-3 ISO 12215-6 DIN EN ISO 12215-6 ISO 12215-9 DIN EN ISO 12215-9 ISO 12216 DIN EN ISO 12216 ISO 12217 (all parts) DIN E

12、N ISO 12217 (all parts) DIN EN ISO 12215-5:2014-10 3 Amendments This standard differs from DIN EN ISO 12215-5:2009-08 as follows: a) the Introduction has been supplemented; b) Clause 2: the reference to ISO 12215-9 has been corrected; c) Annex A: a new NOTE has been added. Previous editions DIN EN I

13、SO 12215-5: 2008-07, 2009-08 DIN EN ISO 12215-5:2014-10 4 National Annex NA (informative) Bibliography DIN EN ISO 178, Plastics Determination of flexural properties DIN EN ISO 527-1, Plastics Determination of tensile properties Part 1: General principles DIN EN ISO 527-2, Plastics Determination of t

14、ensile properties Part 2: Test conditions for moulding and extrusion plastics DIN EN ISO 844, Rigid cellular plastics Determination of compression properties DIN EN ISO 845, Cellular plastics and rubbers Determination of apparent density DIN EN ISO 8666, Small craft Principal data DIN EN ISO 12215-3

15、, Small craft Hull construction and scantlings Part 3: Materials: Steel, aluminium alloys, wood, other materials DIN EN ISO 12215-6, Small craft Hull construction and scantlings Part 6: Structural arrangements and details DIN EN ISO 12215-9, Small craft Hull construction and scantlings Part 9: Saili

16、ng craft appendages DIN EN ISO 12216, Small craft Windows, portlights, hatches, deadlights and doors Strength and watertightness requirements DIN EN ISO 12217 (all parts), Small craft Stability and buoyancy assessment and categorization EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN ISO 12215-

17、5 April 2008 + A1 July 2014 ICS 47.080 English Version Small craft - Hull construction and scantlings - Part 5: Design pressures for monohulls, design stresses, scantlings determination - Amendment 1 (ISO 12215-5:2008 + Amd 1:2014) Petits navires - Construction de coques et chantillonnage - Partie 5

18、: Pressions de conception pour monocoques, contraintes de conception, dtermination de lchantillonnage - Amendement 1 (ISO 12215-5:2008 + Amd 1:2014) Kleine Wasserfahrzeuge - Rumpfbauweise und Dimensionierung - Teil 5: Entwurfsdrcke fr Einrumpffahrzeuge, Entwurfsspannungen, Ermittlung der Dimensionie

19、rung - nderung 1 (ISO 12215-5:2008 + Amd 1:2014) EN ISO 12215-5:2008 was approved by CEN on 2007-12-28 and Amendment A1:2014 on 2014-05-28. 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 natio

20、nal 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 vers

21、ion 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, C

22、zech Republic, Denmark, Estonia, Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United Kingdom.

23、 EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: Avenue Marnix 17, B-1000 Brussels 2014 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN ISO 12215-5:2008 + A1:2

24、014 E Contents Page Foreword. 4 Introduction 6 1 Scope . 8 2 Normative references . 8 3 Terms and definitions. 9 4 Symbols 11 5 General136 Dimensions, data and areas 14 6.1 Dimensions and data 14 6.2 Areas 14 7 Pressure adjusting factors 16 7.1 General. 16 7.2 Design category factor kDC16 7.3 Dynami

25、c load factor nCG16 7.4 Longitudinal pressure distribution factor kL17 7.5 Area pressure reduction factor kAR. 18 7.6 Hull side pressure reduction factor kZ19 7.7 Superstructure and deckhouse pressure reduction factor kSUP. 20 7.8 Light and stable sailing craft pressure correcting factor for slammin

26、g kSLS. 20 8 Design pressures 21 8.1 Motor craft design pressure 21 8.2 Sailing craft design pressure 23 8.3 Watertight bulkheads and integral tank boundaries design pressure 23 8.4 Design pressures for structural components where kARwould be u 0,25 . 25 9 Dimensions of panels and stiffeners 26 9.1

27、Dimensions of plating panels 26 9.2 Dimensions of stiffeners 30 10 Plating Scantling equations 32 10.1 Thickness adjustment factors for plating 32 10.2 FRP single-skin plating 35 10.3 Metal plating Aluminium alloy and steel 36 10.4 Laminated wood or plywood single-skin plating 37 10.5 FRP sandwich p

28、lating. 38 10.6 Single-skin plating minimum thickness . 42 11 Stiffening members requirements 43 11.1 General. 43 11.2 Properties adjustment factors for stiffeners 44 11.3 Design stresses for stiffeners . 44 11.4 Requirements for stiffeners made with similar materials. 45 11.5 Requirements for stiff

29、eners made with dissimilar materials . 46 11.6 Effective plating 47 11.7 Overall dimensions of stiffeners . 48 11.8 Structural bulkheads 50 11.9 Structural support for sailing craft ballast keel. 51 2DIN EN ISO 12215-5:2014-10EN ISO 12215-5:2008 + A1:2014Foreword to EN ISO 12215-5:2008/A1:2014 . 5!

30、“ 12 Owners manual. 51 12.1 General . 51 12.2 Normal mode of operation . 51 12.3 Possibility of outer skin damage. 51 Annex A (normative) Simplified method for scantling determination 52 Annex B (normative) Drop test for boats of 0,07(mLDC)2/3where ASis the total profile area of all sails that may b

31、e set at one time when sailing close hauled, as defined in ISO 8666 and expressed in square metres NOTE In the rest of this part of ISO 12215, non-sailing craft are considered as motor craft. 3.4 second moment of area I for a homogeneous material, it is the sum of the component areas multiplied by t

32、he square of the distance from centre of area of each component area to the neutral axis, plus the second moment of area of each component area about an axis passing through its own centroid, and is expressed in centimetres to the fourth or millimetres to the fourth NOTE The second moment of area is

33、 also referred to in other documentation as the moment of inertia and for brevity as “second moment” within this part of ISO 12215. 3.5 section modulus SM for a homogeneous material, it is the second moment of area divided by the distance to any point from the neutral axis at which the stress is to

34、be calculated and is expressed in cubic centimetres or cubic millimetres NOTE The minimum section modulus is calculated to the furthest point from the neutral axis. 3.6 displacement craft craft whose maximum speed in flat water and mLDCconditions, declared by its manufacturer, is such that WL5VL30,

35、in degrees, V, for motor craft, the maximum speed in calm water declared by the manufacturer, with the craft in mLDCconditions. This speed shall not be taken as 3,0, that value or the value from Equation (2) shall be used. CG0,17LDC0,5 Vnm= (2) In any case, nCGneed not be taken 7. NOTE 2 The limitat

36、ion on nCGin this paragraph is due to the limitation of speed by the crew to keep the slamming accelerations within acceptable comfort and safety limits. The crew of “super sports” or racing boats accept a harder ride than a family cruiser, but need special body support, shock damping seats or equip

37、ment to prevent injury from high gs. 7.3.3 Dynamic load factor nCGfor sailing craft and displacement motor craft For sailing craft, nCGis not used for pressure determination. It is only used in the calculation of kLfor which purpose the value of nCGshall be taken as 3. For motor craft where nCG, det

38、ermined using Equation (1), is 1 for WL0,6xLu (3) L1k = for WL0,6xL where nCGis determined in accordance with 7.3, but for the purposes of determination of kL, nCGshall not be taken 6; WLxLis the position of the centre of the panel or middle of stiffener analysed proportional to LWL, where WLxL= 0 a

39、nd 1 are respectively the aft end and fore end of LWL. where x is the longitudinal position of the centre of the panel or middle of stiffener forward of aft end of LWLin mLDCconditions, in metres. The overhangs fore and aft shall have the same value of kLas their respective end of the waterline. DIN

40、 EN ISO 12215-5:2014-10EN ISO 12215-5:2008 + A1:201417 NOTE In the graph the only represented intermediate value of nCGbetween 3 and 6 is 4,5; for other intermediate values, kLshall be determined either by calculation according to Equation (3) or by interpolation in the graph. Figure 3 Longitudinal

41、pressure distribution factor kL7.5 Area pressure reduction factor kAR7.5.1 General The area pressure reduction factor kARtakes into account the variation of pressure loads due to panel or stiffener size. 0,15RLDCAR0,3D0,1kmkA= (4) where kRis the structural component and boat type factor: kR= 1,0 for

42、 bottom side and deck panels and stiffeners of planing motor craft operating in planing mode; kR= 1,5 3 104 b for bottom side and deck panels of sailing craft, displacement motor craft and planing motor craft operating in displacement mode; 4Ru1210kl= for bottom side and deck stiffeners of sailing c

43、raft, displacement motor craft and planing motor craft operating in displacement mode; mLDCis the loaded displacement mass defined in 3.2, in kilograms; DIN EN ISO 12215-5:2014-10EN ISO 12215-5:2008 + A1:201418 ADis the design area, in square metres: ()6D10Alb= for plating, but shall not be taken 26

44、2,5 10b ; ()6Du10Als= for stiffeners but need not be taken 1. 7.5.3 Minimum values of kARkARshall not be taken at less than the values given in Table 3. Table 3 Minimum values of kARSide and bottom sandwich panels aDesign category Side and bottom single-skin panels and stiffeners Deck and superstruc

45、tures sandwich and single-skin panels and stiffeners WL0, 4xLu WL0, 4 0,6xL800 mm above deck and upper tiers 0,35 Walking area Upper tiers aMinimum deck pressure 5 kN/m3Non-walking area aElements not exposed to weather shall be considered as upper tiers. 7.8 Light and stable sailing craft pressure c

46、orrecting factor for slamming kSLSThe light and stable sailing craft pressure correcting factor kSLStakes into account higher slamming pressures encountered on light and stable sailing craft when sailing upwind (i.e at an angle of up to 90 off true wind). It is defined below. In design category C an

47、d D: kSLS= 1 In design category A and B: kSLS= 1 if 3WLLDC5mL 0,50,5MAX 60 WLSLS0,33LDC10 GZ Lkm60, with all stability-increasing devices such as canting keels or water ballast at their most effective position, in fully loaded condition, measured in metres. If the maximum righting lever occurs at a heel angle 60, the value at 60 shall be taken. The crew shall be considered in upwind hiking position in the calculation of the above GZMAX 60. DIN EN ISO 12215-5:2014-10EN ISO 12215-5:2008 + A1:201420 8 Design pressures 8.1

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