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GB/T 19314.7-2019: Small craft -- Hull construction and scantlings -- Part 7: Scantling determination of multihulls
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Small craft -- Hull construction and scantlings -- Part 7: Scantling determination of multihulls
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GB/T 19314.7-2019
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Basic data | Standard ID | GB/T 19314.7-2019 (GB/T19314.7-2019) | | Description (Translated English) | Small craft -- Hull construction and scantlings -- Part 7: Scantling determination of multihulls | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U18 | | Classification of International Standard | 47.080 | | Word Count Estimation | 18,128 | | Date of Issue | 2019-05-10 | | Date of Implementation | 2019-12-01 | | Quoted Standard | GB/T 19314.5-2019; GB/T 19314.6-2019; GB/T 19314.8; GB/T 19314.9; GB/T 19916 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | | Summary | This standard specifies the determination of design loads, pressures, stresses and structural dimensions of multihull ships with hull length not greater than 24m measured in accordance with GB/T 19916. This standard applies to boats with a full-load displacement speed of not more than 50kn under complete conditions. When assessing stability, freeboard and buoyancy, all structural integral components, other high load areas (e.g. ballast keels, mid-flooding, rudders, sprockets, etc.), usually include those assumed to be watertight or weathertight on boats All parts are encrypted. This standard applies only to newly built boats. This standard does not apply to hydrofoils, small waterplane area catamarans and surface effect craft. | GB/T 19314.7-2019: Small craft -- Hull construction and scantlings -- Part 7: Scantling determination of multihulls
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Small craft--Hull construction and scantlings--Part 7. Scantling determination of multihulls
ICS 47.080
U18
National Standards of People's Republic of China
Boat structure and component size
Part 7. Determination of the size of a multi-hull ship
Part 7. Scantlingdeterminationofmultihuls
Published on.2019-05-10
2019-12-01 implementation
State market supervision and administration
China National Standardization Administration issued
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 size of a multi-hull vessel;
--- Part 8. Rudder;
--- Part 9. Sailboat possession.
This part is part 7 of GB/T 19314.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
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, China Shipbuilding Industry Corporation Seventh Eighteen Institute.
The main drafters of this section. Li Jun, Zhu Jiashuai, Zhang Weidong, Li Jiangtao, Liu Qun.
Boat structure and component size
Part 7. Determination of the size of a multi-hull ship
1 Scope
This part of GB/T 19314 specifies the design load and pressure of a multi-hull ship with a hull length of not more than 24 m measured according to GB/T 19916.
Determination of force, stress and component size.
This section applies to boats with full displacement and a speed of no more than 50 kn under full conditions. When assessing stability, freeboard and buoyancy, all structures
Integral components, other high-load areas (eg, ballast keels, mid-water slabs, rudders, chain plates, etc.), usually including watercraft or water
All parts of the rain. This section only applies to new boats.
This section does not apply to hydrofoil, small waterplane catamaran and surface effect vessels.
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. singular design pressure, design stress,
Size determination
GB/T 19314.6-2019 hull structure and component dimensions - Part 6. Layout and details
GB/T 19314.8 hull structure and component dimensions - Part 8. rudder
GB/T 19314.9 hull structure and component dimensions - Part 9.
Main data of GB/T 19916 dinghy
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.
Note. Calculate the wave height to take 7m.
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.
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