1、BRITISH STANDARDBS EN ISO 12215-6:2008Small craft Hull construction and scantlings Part 6: Structural arrangements and detailsICS 47.080g49g50g3g38g50g51g60g44g49g42g3g58g44g55g43g50g56g55g3g37g54g44g3g51g40g53g48g44g54g54g44g50g49g3g40g59g38g40g51g55g3g36g54g3g51g40g53g48g44g55g55g40g39g3g37g60g3g3
2、8g50g51g60g53g44g42g43g55g3g47g36g58BS EN ISO 12215-6:2008This British Standard was published under the authority of the Standards Policy and Strategy Committee on 30 May 2008 BSI 2008ISBN 978 0 580 53196 5National forewordThis British Standard is the UK implementation of EN ISO 12215-6:2008. The UK
3、 participation in its preparation was entrusted to Technical Committee GME/33, Small craft.A list of organizations represented on this committee can be obtained on request to its secretary.This publication does not purport to include all the necessary provisions of a contract. Users are responsible
4、for its correct application.Compliance with a British Standard cannot confer immunity from legal obligations.Amendments/corrigenda issued since publicationDate CommentsEUROPEAN STANDARDNORME EUROPENNEEUROPISCHE NORMEN ISO 12215-6April 2008ICS 47.080English VersionSmall craft - Hull construction and
5、scantlings - Part 6: Structuralarrangements and details (ISO 12215-6:2008)Petits navires - Construction de coques et chantillonnages- Partie 6: Dispositions et dtails de construction (ISO12215-6:2008)Kleine Wasserfahrzeuge - Rumpfbauweise undDimensionierung - Teil 6: Bauanordnung und Details (ISO122
6、15-6:2008)This European Standard was approved by CEN on 3 February 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 bibliograph
7、ical 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
8、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,
9、 Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal,Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.EUROPEAN COMMITTEE FOR STANDARDIZATIONCOMIT EUROPEN DE NORMALISATIONEUROPISCHES KOMITEE FR NORMUNGManagement Centre: rue de Stassart, 36 B-1050 Brus
10、sels 2008 CEN All rights of exploitation in any form and by any means reservedworldwide for CEN national Members.Ref. No. EN ISO 12215-6:2008: EForeword This document (EN ISO 12215-6:2008) has been prepared by Technical Committee ISO/TC 188 “Small craft“ in collaboration with Technical Committee CEN
11、/SS T01 “Shipbuilding and maritime structures“, the secretariat of which is held by CMC. 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 w
12、ithdrawn at the latest by October 2008. 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 mandat
13、e given to CEN by the European Commission and the European Free Trade Association, and supports essential requirements of EC Directive. For relationship with EC Directive, see informative Annex ZA, which is an integral part of this document. According to the CEN/CENELEC Internal Regulations, the nat
14、ional 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,
15、 Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and the United Kingdom. Endorsement notice The text of ISO 12215-6:2008 has been approved by CEN as a EN ISO 12215-6:2008 without any modification. BS EN ISO 12215-6:2008iiiContents Page Introduction . vi 1 Scope 1 2 Normativ
16、e references 1 3 Terms and definitions .1 4 Symbols 3 5 General4 6 Structural arrangement .4 6.1 Stiffening 4 6.2 Hull girder strength7 6.3 Load transfer7 6.4 Determination of stiffener spans11 6.5 Window mullions .13 6.6 Sailboat mast support .14 7 Specific structural details for FRP construction 1
17、4 7.1 Local reinforcement 14 7.2 Bonding 16 7.3 Major joints.21 7.4 Laminate transition25 7.5 Sandwich construction .25 7.6 Attachment of fittings25 7.7 Engine seatings and girders.25 7.8 Hull drainage 28 8 Specific structural details for metal construction28 8.1 Design details.28 8.2 End connection
18、s28 8.3 Increased hull plating28 8.4 Protective keel28 8.5 Hull drainage 29 8.6 Machinery spaces29 8.7 Good practice welding standards29 8.8 Good practice for riveting or adhesive bonding 29 9 Good practice on laminated wood.30 9.1 Edge sealing.30 9.2 Plywood orientation.30 9.3 Local scantlings.30 9
19、.4 Alternative criteria .31 10 Consideration of other loads31 11 Other structural components .31 11.1 General31 11.2 Rudder structure and connection31 11.3 Keel attachment .32 11.4 Introduction and distribution of rigging loads .32 11.5 Other structural components not considered in other parts 32 An
20、nex A (normative) Structural arrangements for category C and D boats.33 BS EN ISO 12215-6:2008iv Annex B (informative) Determination of shear stresses within a stiffener with glued or riveted joints 35 Annex C (informative) Good practice welding procedure 41 Annex D (informative) Longitudinal streng
21、th analysis . 47 Bibliography . 52 BS EN ISO 12215-6:2008Annex ZA (informative) Relationship between this International Standard and the Essential Requirements of EU Directive 94/25/EC .53 vForeword ISO (the International Organization for Standardization) is a worldwide federation of national standa
22、rds bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organ
23、izations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given i
24、n the ISO/IEC Directives, Part 2. The main task of technical committees is to prepare International Standards. Draft International Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 %
25、 of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this document may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. ISO 12215-6 was prepared by Technical Committee ISO/TC 188, Sma
26、ll craft. ISO 12215 consists of the following parts, under the general title Small craft Hull construction and scantlings: Part 1: Materials: Thermosetting resins, glass-fibre reinforcement, reference laminate Part 2: Materials: Core materials for sandwich construction, embedded materials Part 3: Ma
27、terials: Steel, aluminium alloys, wood, other materials Part 4: Workshop and manufacturing Part 5: Design pressures for monohulls, design stresses, scantlings determination Part 6: Structural arrangements and details Part 7: Scantling determination of multihulls Part 8: Rudders Part 9: Sailing boats
28、 Appendages and rig attachments BS EN ISO 12215-6:2008vi Introduction The underlying reason for preparing this part of ISO 12215 is that standards and recommended practices for loads on the hull and the dimensioning of small craft differ considerably, thus limiting the general worldwide acceptabilit
29、y of boats. The objective of this part of ISO 12215 is to achieve an overall structural strength that ensures the watertight and weathertight integrity of the craft. This part of ISO 12215 is considered to have been developed with the application of current practice and sound engineering principles.
30、 Considering future development in technology and boat types, as well as small craft currently outside the scope of this part of ISO 12215, and provided that methods supported by appropriate technology exist, consideration may be given to their use so long as equivalent strength to this part of ISO
31、12215 is achieved. Dimensioning in accordance with this part of ISO 12215 is regarded as reflecting current practice, provided that the craft is correctly handled in the sense of good seamanship and that it is equipped and operated at a speed appropriate to the prevailing sea state. BS EN ISO 12215-
32、6:20081Small craft Hull construction and scantlings Part 6: Structural arrangements and details 1 Scope This part of ISO 12215 concerns structural details and structural components not explicitly included in ISO 12215-5, ISO 12215-7, ISO 12215-8 and ISO 12215-9. It applies to monohull and multihull
33、small craft constructed from fibre reinforced plastics (FRP), aluminium or steel alloys, wood or other suitable boat building material, with a hull length, in accordance with ISO 8666, of up to 24 m. This part of ISO 12215 fulfils two functions. Firstly, it supports ISO 12215-5 by providing further
34、explanations and calculation procedures and formulae. Secondly, it gives a number of examples of arrangements and structural details which illustrate principles of good practice. These principles provide a standard against which alternative arrangements and structural details can be benchmarked, usi
35、ng the equivalence criteria specified in this part of ISO 12215. NOTE Scantlings derived from this part of ISO 12215 are primarily intended to apply to recreational craft including recreational charter vessels and might not be suitable for performance racing craft. 2 Normative references The followi
36、ng 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. ISO 8666, Small craft Principal data ISO 12215-5:2008, Small
37、 craft Hull construction and scantlings Part 5: Design pressures for monohulls, design stresses, scantlings determination ISO 12215-7, Small craft Hull construction and scantlings Part 7: Scantling determination of multihulls ISO 12215-8, Small craft Hull construction and scantlings Part 8: Rudders
38、ISO 12215-9, Small craft Hull construction and scantlings Part 9: Appendages and rig attachment ISO 12216, Small craft Windows, portlights, hatches, deadlights and doors Strength and watertightness requirements 3 Terms and definitions For the purposes of this document, the following terms and defini
39、tions apply. 3.1 loaded displacement mass mLDCmass of the craft, including all appendages, when in the fully-loaded ready-for-use condition, as defined in ISO 8666 BS EN ISO 12215-6:20082 3.2 sailing craft craft for which the primary means of propulsion is by wind power, and for which AS 0,07(mLDC)2
40、/3where ASis the total profile area of all sails that can be set at one time when sailing closed hauled, as defined in ISO 8666, expressed in m2; mLDCis the loaded displacement, as defined in ISO 8666, expressed in kg. NOTE In this part of ISO 12215, non-sailing craft are referred to as motor craft.
41、 3.3 grid grillage set of transverse stiffeners that intersect a set of longitudinal stiffeners 3.4 secondary stiffener stiffening element that directly supports the plating NOTE In a stiffener grillage, secondary stiffeners usually correspond to stiffeners having the lower second moment of area, e.
42、g. stringers, frames, partial bulkheads. The spacing of secondary stiffeners generally corresponds to the shortest unsupported span of the attached plating. In the case of stiffeners with a substantial base width (i.e. top hat stiffeners), the stiffener spacing will be the unsupported panel span plu
43、s this base width. 3.5 primary stiffener stiffening element that supports the secondary stiffening element NOTE 1 In a stiffener grillage, primary stiffeners usually correspond to stiffeners which have the higher second moment of area, e.g. structural bulkheads, girders, web frames. The spacing of p
44、rimary stiffeners generally corresponds to the span of secondary stiffeners. NOTE 2 Some stiffeners, such as bulkheads, deep girders or web frames, may also contribute to resisting global loads. 3.6 stringer longitudinal stiffener, generally designated a secondary stiffener (3.4), which supports the
45、 shell plating 3.7 frame transverse stiffener, generally designated a secondary stiffener (3.4), which supports the shell plating 3.8 beam transverse stiffener, generally designated a secondary stiffener (3.4), which supports the deck plating 3.9 web frame substantial transverse stiffener, generally
46、 designated a primary stiffener (3.5), which supports stringers and less substantial girders and is usually connected with substantial deck beams NOTE The spacing of web frames is usually greater than (or some multiple of) the frame or beam spacing. 3.10 floor substantial transverse bottom stiffener
47、, which may be used to link frames and may also be a partial bulkhead NOTE Floors are often used to support a cabin sole, so the upper edge is generally horizontal. On sailing craft, floors are traditionally used to support ballast keels. BS EN ISO 12215-6:200833.11 girder substantial longitudinal s
48、tiffening element, generally designated a primary member, which supports bottom transverse frames or floors, other frames and beams NOTE Bottom girders are sometimes called keelsons. 3.12 bracket stiffening element, usually of triangular shape, used to reinforce the connection of two stiffeners and
49、to reduce their span NOTE Brackets are also used to transmit local loads. 4 Symbols Unless specifically otherwise defined, the symbols and units used in this part of ISO 12215 are given in Table 1. NOTE Symbols and units used only in the annexes are not included in Table 1. Table 1 Symbols Symbol Designation Unit ADDesign area of plating/stiffener mm2b Spacing between stiffeners mm bwWidth of bonding flange mm BHBeam of hull, in accordance with ISO 8666 m DmaxMaximum depth of the boat, in accordance with ISO 8666 m E Elastic mod
