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GB/T 19314.8-2019: Small craft -- Hull construction and scantlings -- Part 8: Rudders
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Small craft -- Hull construction and scantlings -- Part 8: Rudders
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GB/T 19314.8-2019
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Basic data | Standard ID | GB/T 19314.8-2019 (GB/T19314.8-2019) | | Description (Translated English) | Small craft -- Hull construction and scantlings -- Part 8: Rudders | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U18 | | Classification of International Standard | 47.080 | | Word Count Estimation | 42,411 | | Date of Issue | 2019-05-10 | | Date of Implementation | 2019-12-01 | | Quoted Standard | GB/T 19314.5-2019; ISO 8666 | | Adopted Standard | ISO 12215-8-2009, IDT | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the scantlings of rudders fitted to small craft with a hull length not greater than 24 m, measured in accordance with ISO 8666. This standard applies only to monohull boats. This standard does not specify the characteristic requirements for rudder control capability. This standard only considers the pressure loads on the rudder due to the maneuvering of the boat. The loads on the rudder or rudder post (if fitted) due to grounding or docking need to be considered separately. | GB/T 19314.8-2019: Small craft -- Hull construction and scantlings -- Part 8: Rudders---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 8. Rudders
ICS 47.080
U18
National Standards of People's Republic of China
Boat structure and component size
Part 8. Helm
Smalcraft-Hulconstructionandscantlings-Part 8. Rudders
(ISO 12215-8.2009, 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 1
4 symbol 2
5 design stress 4
5.1 rudder material 4
6 rudder and steering gear arrangement, type of rudder 4
6.1 General 4
6.2 Rudder Type 5
7 Design rudder calculation 9
7.1 General 9
7.2 F1 and corresponding load conditions 10
7.3 F2 and corresponding load conditions 10
8 Rudder bending moment and reaction force on the rudder carrier 11
8.1 General 11
8.2 Analysis of the shovel rudder (Type I) 11
8.3 Analysis of the rudder rudder (Type II to Type V) 11
9 rudder design torque T 13
10 rudder and rudder design 14
10.1 Load bearing member 14 of the rudder
10.2 Metal Rudder Material 14
10.3 Design stress of metal rudder stock 14
10.4 Required solid round metal rudder stock diameter 15
10.5 Type I rudder (shovel) diameter vertical variation 15
10.6 Round pipe rudder stock 16
10.7 Non-circular metal rudder stock 17
10.8 Simplifying non-isotropic rudder stocks (eg wood or FRP) 18
10.9 Rudder and rudder stock of composite structure 18
10.10 Deviation check of type I rudder stock in rudder bearing 18
11 rudder bar equivalent diameter of key slot 18
12 rudder bearing, rudder pin and rudder button 19
12.1 Rudder bearing arrangement 19
12.2 Clearance between the rudder stock and the rudder carrier 19
13 Rudder structure and rudder construction 20
13.1 Rudder structure 20
13.2 Structure of the rudder 20
13.3 FRP rudder blade 20
13.4 Non-FRP rudder blade 21
14 hanging rudder structure 21
14.1 General 21
14.2 Design Stress 21
Appendix A (Normative) Metal materials used in the rudder stock 22
Appendix B (Normative Appendix) Composite Rudder Design 25
Appendix C (Normative) Complete calculation of the rudder with rudder rudder 27
Appendix D (informative) Geometric properties of some typical rudder blade shapes 31
Appendix E (informative) Vertical variation of type I rudder diameter 33
Appendix F (informative) Type I rudder - offset of the rudder between the rudders 35
Reference 37
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 eighth 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 12215-8.2009 "Small boat hull structure and component size part 8. rudder" and its
First Amendment in.2010.
This section also made the following editorial changes.
--- Change the "effective bending moment arm Zb = kb · hr hc" in Table 1 to "effective bending moment arm Zb = kb · hr hb".
The documents of our country that have a consistent correspondence with the international documents referenced in this part are as follows.
---GB/T 19916-2005 Main data of small boats (ISO 8666.2002, IDT)
This part is proposed and managed by the National Small Boat Standardization Technical Committee (SAC/TC241).
This section drafted by. China Shipbuilding Industry Comprehensive Technology and Economic Research Institute, Yaguang Technology Group Co., Ltd.
The main drafters of this section. Gao Xuefeng, Pang Mu, Zhu Jiacong.
Boat structure and component size
Part 8. Helm
1 Scope
This part of GB/T 19314 specifies the component rule of the rudder mounted on the dinghy of the hull length not exceeding 24 m measured according to ISO 8666.
Inch. This section applies only to individual boats.
This section does not specify the characteristics of the rudder handling capability.
This section only considers the pressure load acting on the rudder due to the manipulation of the boat. Acting on the rudder or rudder post due to stranding or docking (if
The load on the installation) needs to be considered separately.
Note. The component dimensions obtained in this section are mainly applicable to leisure boats, including rental boats.
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 19314.5-2019 hull structure and component dimensions - Part 5. Design pressures, design
Component size determination (ISO 12215-5.2008, IDT)
ISO 8666 dinghy main parameters (Smalcraft-Principaldata)
3 Terms and definitions
The following terms and definitions apply to this document.
3.1
Design category designcategories
The design of the boat to be assessed in accordance with this section is divided according to applicable sea conditions and wind power. Assume that the boat is driving correctly, speed and main sea conditions
Adapted.
3.1.1
Design category A ("Ocean") designcategoryA ("ocean")
Suitable for sailing on a sea with a high wave height of more than 4m and a wind speed exceeding the level of Beaufort but excluding anomalies such as hurricanes.
3.1.2
Design category B ("offshore") designcategoryB ("offshore")
It is suitable for sailing in a sea with a wave height of no more than 4m and a wind speed not exceeding the level of Beaufort.
3.1.3
Design Category C ("Coastal") designcategoryC ("inshore")
It is suitable for sailing in a sea with a wave height of no more than 2m and a wind speed not exceeding the level of Beaufort.
3.1.4
Design category D ("shadowed waters") designcategoryD ("shelteredwater")
It is suitable for sailing in a sea with a wave height not exceeding 0.5m and a wind speed not exceeding the level of Beaufort.
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