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GB/T 19314.5-2019: Small craft -- Hull construction and scantlings -- Part 5: Design pressures for monohulls, design stresses, scantlings determination
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Small craft -- Hull construction and scantlings -- Part 5: Design pressures for monohulls, design stresses, scantlings determination
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GB/T 19314.5-2019
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Basic data | Standard ID | GB/T 19314.5-2019 (GB/T19314.5-2019) | | Description (Translated English) | Small craft -- Hull construction and scantlings -- Part 5: Design pressures for monohulls, design stresses, scantlings determination | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U18 | | Classification of International Standard | 47.080 | | Word Count Estimation | 98,978 | | Date of Issue | 2019-05-10 | | Date of Implementation | 2019-12-01 | | Quoted Standard | GB/T 19916-2005; ISO 12215-3; ISO 12215-6; ISO 12215-7; ISO 12215-9; ISO 12216; ISO 12217-1; ISO 12217-2; ISO 12217-3; ISO 178; ISO 527-1; ISO 527-2; ISO 844; ISO 845; ISO 1922; ASTM C393 | | Adopted Standard | ISO 12215-5-2008, IDT | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard applies to the design pressure and stress of boats with a hull length (LH) of 2.5m to 24m specified in GB/T 19916-2005, and boats made of fiber-reinforced plastic, steel, aluminum alloy, plywood or other suitable Dimensions of the components (including internals) of a monocoque made of the materials of construction. This standard applies only to small craft in good condition. This standard is only applicable to small craft with full load displacement and maximum speed of not more than 50kn: when assessing the stability, freeboard and buoyancy of small craft according to ISO 12217, the scope of assessment shall include all parts of the hull that are assumed to be watertight or weathertight , which is very necessary for the safety of the hull and crew. In order to obtain full member dimensions, the use of this standard in conjunction with ISO 12 | GB/T 19314.5-2019: Small craft -- Hull construction and scantlings -- Part 5: Design pressures for monohulls, design stresses, scantlings determination
---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Small craft--Hull construction and scantlings--Part 5. Design pressures for monohulls, design stresses, scantlings determination
ICS 47.080
U18
National Standards of People's Republic of China
Boat structure and component size
Part 5. Monohull design pressure, design stress,
Component size determination
Smalcraft-Hulconstructionandscantlings-Part 5.Designpressuresfor
Monohuls, designstresses, scantlingsdetermination
(ISO 12215-5.2008, IDT)
Published on.2019-05-10
2019-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 Terms and Definitions 2
4 symbol 3
5 General requirements 6
6 size, data and area 6
6.1 Dimensions and data 6
6.2 Area 7
7 Pressure correction factor 8
7.1 General provisions 8
7.2 Design Category Coefficient kDC 9
7.3 Dynamic load factor nCG 9
7.4 Longitudinal pressure distribution coefficient kL 9
7.5 Regional pressure reduction factor kAR 10
7.6 Side pressure reduction factor kZ 11
7.7 Superstructure and deck chamber pressure reduction factor kSUP 11
7.8 Light stable sail boat slamming pressure correction coefficient kSLS 12
8 design pressure 12
8.1 Power boat design pressure 12
8.2 Sail boat design pressure 14
8.3 Watertight bulkhead and tank boundary design pressure 14
8.4 kAR ≤ 0.25 structural design pressure 16
9 plates and stiffeners size 16
9.1 board size 16
9.2 Supporting material size 20
10 board --- size formula 21
10.1 Plate thickness correction factor 21
10.2 FRP single layer board 23
10.3 Metal Plates---Aluminum Alloy and Steel 25
10.4 laminated wood or glued single-layer board 25
10.5 FRP sandwich panel 26
10.6 Minimum thickness of single layer board 29
11 Reinforcement requirements 30
11.1 General requirements 30
11.2 Reinforcement property adjustment factor 30
11.3 Reinforcement design stress 31
11.4 Reinforcement requirements for similar materials 31
11.5 Reinforcement requirements for dissimilar materials 32
11.6 Effective strip plate 33
11.7 Total dimensions of the ribs 34
11.8 Structural bulkheads 36
11.9 Structural support for sailboat ballast keels 36
12 boat owner manual 37
12.1 General requirements 37
12.2 Normal operating mode 37
12.3 Possibility of shell destruction 37
Appendix A (Normative) A simple way to determine dimensions 38
Appendix B (Normative Appendix) Falling Test of Captain < 6m Boat 41
Appendix C (Normative) FRP Laminate Properties and Calculations 44
Appendix D (Normative Appendix) Mechanical properties of sandwich panels and calculation of sandwich panels 53
Appendix E (Normative) Wood laminate properties and calculations 58
Appendix F (Normative) Mechanical properties of metallic materials 66
Appendix G (Normative) Geometrical properties of profiles 68
Appendix H (Normative Appendix) Ply Analysis 82
Reference 93
Foreword
GB/T 19314 "Small boat hull structure and component size" is divided into 9 parts.
--- Part 1. Materials. thermosetting resins, glass fiber reinforced plastics, reference laminates;
--- Part 2. Materials. core materials for embedded structures, embedded materials;
--- Part 3. Materials. steel, aluminum alloy, wood, other materials;
--- Part 4. Workshop and manufacturing;
--- Part 5. Determination of design pressure, design stress and component size of single vessel;
--- Part 6. Structural arrangements and details;
--- Part 7. Determination of the dimensions of multi-hull ship components;
--- Part 8. Rudder;
--- Part 9. Sailboat possession.
This part is the fifth part of GB/T 19314.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part uses the translation method equivalent to ISO 12215-5.2008 "Small boat structure and component dimensions - Part 5. Monohull
Determination of gauge pressure, design stress, and component dimensions.
This section incorporates amendments to ISO /12215-5.2008/Amd1.2004, and the provisions of these amendments have been adopted in
The vertical double line (‖) of the outer margin is marked.
The documents of our country that have a consistent correspondence with the international documents that are normatively quoted in the main body of this part are as follows.
--- GB/T 19314.3-2019 dinghy structure and component dimensions - Part 3. Materials. steel, aluminium alloy, timber, other
Materials (ISO 12215-3.2002, IDT)
GB/T 19314.6-2019 hull structure and component dimensions - Part 6. Structural arrangements and details (ISO 12215-
6.2008, IDT)
Aerospace and hull structures and components - Part 9. Sailboat attachments (ISO 12215-9.
2012, IDT)
---GB/T 19919-2005 Small boat windows, side scuttles, hatch covers, storm covers and door strength and tightness requirements (ISO 12216.
2002, IDT)
---GB/T 20895-2007 (all parts) Assessment and classification of dinghy stability and buoyancy (ISO 12217.2002, IDT)
The documents of our country that have a consistent correspondence with the normatively cited international documents in the appendix of this section are as follows.
Determination of tensile properties of plastics -- Part 1 . General (ISO 527-1.1993, IDT)
Plastics -- Determination of tensile properties of plastics -- Part 2 . Test conditions for moulding and extruded plastics
(ISO 527-2.1993, IDT)
---GB/T 8813-2008 Determination of compression properties of rigid foams (ISO 844.2004, IDT)
---GB/T 6343-2009 Determination of apparent density of foams and rubber (ISO 845.2006, IDT)
---GB/T 9341-2008 Determination of bending properties of plastics (ISO 178.2001, IDT)
---GB/T 10007-2008 Test method for shear strength of rigid foams (ISO 1922.2001, IDT)
This section also made the following editorial changes.
--- Change the unit of AS in Table 1 from "m" to "m2".
This part is proposed and managed by the National Small Boat Standardization Technical Committee (SAC/TC241).
This section drafted by. China Shipbuilding Corporation, the 708th Institute.
The main drafters of this section. Li Jiangtao, Lou Pengyu, Xu Zhiting, Cui Haixin.
Boat structure and component size
Part 5. Monohull design pressure, design stress,
Component size determination
1 Scope
This part of GB/T 19314 is applicable to boats with a hull length (LH) of 2.5m~24m according to GB/T 19916-2005.
Design pressure and stress, as well as small monomers made from fiber reinforced plastic, steel, aluminum alloy, glued wood or other suitable boat construction materials
The dimensions of the boat's components (including internal components). This section only applies to dinghy in good condition.
This section only applies to boats with full displacement and maximum speed not exceeding 50 kn.
When assessing the stability, freeboard and buoyancy of a dinghy according to ISO 12217, the assessment shall include all assumptions that the hull is watertight or weathertight.
In part, this is necessary for the safety of the hull and crew.
In order to obtain the full component size, this part needs to be combined with ISO 12215-6, ISO 12215-7, ISO 12215-8 and
ISO 12215-9.
The dimensions of windows, side scuttles, storm covers, hatch covers and doors are determined according to ISO 12216. The structure supporting these components satisfies this part of the
Claim.
Note 1. This part of the component size is mainly used in recreational boats (including recreational rental boats, excluding rowing).
Note 2. This section assumes that the component dimensions are only determined by the local load.
Note 3. This part considers that the component dimensions meet the minimum strength requirements of the motor boat and sail boat in safe and reliable operation and normal environment.
The pressure and stress units are typically Pa, kPa or MPa. In order to make the user better understand this part, the pressure unit uses thousands of cattle per square meter.
(kPas) (1 kN/m2 = 1 kPa), stress or modulus of elasticity in Newtons per square millimeter (MPa) (1 N/mm2 = 1 MPa).
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 19916-2005 Main data of small boats (ISO 8666.2002, IDT)
ISO 12215-3 hull structures and component dimensions - Part 3. Materials. steel, aluminium, wood, or other materials (Smal
craft-Hulconstructionandscantlings-Part 3.Materials.Steel, aluminiumaloys,wood,otherma-
Terials)
ISO 12215-6. hull structure and component dimensions - Part 6. Structural arrangements and details (Smalcraft-Hulcon-
structionandscantlings-Part 6.Structuralarrangementsanddetails)
Specification for hull structure and component dimensions - Part 7. Determination of dimensions of multi-hulls (Smalcraft-Hul
constructionandscantlings-Part 7. Scantlingdeterminationofmultihuls)
ISO 12215-9 hull structure and component dimensions - Part 9. Sailcraft-Hulconstruction
andscantlings-Part 9. Sailingboats-Appendagesandrigattachment)
ISO 12216 small boat windows, portholes, hatch covers, storm covers and door strength and tightness requirements (Smalcraft-Windows,
Portlights,hatches,deadlightsanddoors-Strengthandwatertightnessrequirements)
ISO 12217 (all parts) Assessment and classification of dinghy stability and buoyancy (Smalcraft-Stabilityandbuoyancyas-
Sessmentandcategorization)
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