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GB/T 40528.1-2021: Requirements for structural dimensions of multi-hull yacht - Part 1: Composite material
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Requirements for structural dimensions of multi-hull yacht - Part 1: Composite material
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GB/T 40528.1-2021
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Basic data | Standard ID | GB/T 40528.1-2021 (GB/T40528.1-2021) | | Description (Translated English) | Requirements for structural dimensions of multi-hull yacht - Part 1: Composite material | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | U18 | | Word Count Estimation | 46,445 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 40528.1-2021: Requirements for structural dimensions of multi-hull yacht - Part 1: Composite material
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Requirements for structural dimensions of multi-hull yacht - Part 1.Composite material
ICS 47.020
CCSU18
National Standards of People's Republic of China
Multi-hull yacht structure size regulations
Part 1.composite materials
Released on 2021-08-20
2022-03-01 implementation
State Administration of Market Supervision and Administration
Issued by the National Standardization Management Committee
Table of contents
Preface Ⅴ
Introduction Ⅵ
1 Scope 1
2 Normative references 1
3 Terms and definitions 1
4 Minimum board thickness requirement 2
5 Hull shell 2
5.1 Flat keel 2
5.2 Outboard bottom plate 3
5.3 Inboard bottom plate 5
5.4 Outboard plating 5
5.5 Inboard outboard 6
5.6 Wet deck 6
5.7 Tail sealing plate 6
5.8 Reinforcement of beams 6
5.9 Lower hull 7
5.10 Special structure 7
6 Outer frame 7
6.1 General provisions 7
6.2 Outboard bottom longitudinals 7
6.3 Outboard bottom stringers 8
6.4 Lateral reinforcement ribs on the outer bottom of the boat 8
6.5 Lateral ribs of outboard bottom 9
6.6 Lateral strong ribs of outboard bottom 9
6.7 Inboard bottom longitudinals 9
6.8 Inboard bottom stringers 9
6.9 Longitudinal stiffeners of the inner bottom of the boat 10
6.10 Transverse ribs of the inner bottom of the boat 10
6.11 Lateral strong ribs on the inner bottom of the boat 10
6.12 Outboard longitudinals 10
6.13 Outboard longitudinal girders 10
6.14 Lateral stiffeners of outboard plating 10
6.15 Transverse frame of outboard plating 11
6.16 Lateral strong frame of outboard plating 11
6.17 Inboard longitudinals 11
6.18 Inboard longitudinal girders 11
6.19 Lateral stiffeners of inboard shell 11
6.20 Transverse frame of inboard outboard plate 11
6.21 Lateral strong frame of inboard outboard plate 11
6.22 Wet deck longitudinals 12
6.23 Wet deck stringers 12
6.24 Wet deck beam 12
6.25 Wet deck transverse frame 12
6.26 Wet deck strong frame 13
6.27 Special structure 13
7 Single-layer bottom structure and accessory components 14
7.1 General provisions 14
7.2 Keel 14
7.3 Middle inner keel 14
7.4 Side stringer 14
7.5 Horizontal solid ribs 15
7.6 Transverse solid ribs of engine room 16
7.7 Front heel and first post 16
7.8 Brackets of tail seal plate 17
8 Double bottom structure 17
8.1 General provisions 17
8.2 Flat keel 18
8.3 Middle inner keel 18
8.4 Side stringers 18
8.5 Horizontal solid ribs 18
9 Bulkheads and deep tanks 19
9.1 General provisions 19
9.2 Longitudinal bulkhead structure of connecting bridge 19
9.3 Transverse bulkhead structure of connecting bridge 19
9.4 Additional strength requirements for overall load 19
9.5 Through hole 19
9.6 Local strength 19
9.7 Composite structure of structural tank/deep tank and connecting bridge 20
10 Deck structure 20
10.1 General provisions 20
10.2 Arrangement 20
10.3 Connecting bridge laminate 20
10.4 Strengthening of the connecting bridge 20
10.5 Special structure 21
11 Superstructures, deckhouses, bulwarks and pillars 21
Appendix A (normative) Minimum layering value 22
Appendix B (Normative) Design requirements for hull paving of non-displacement yachts 23
Appendix C (Normative) Design requirements for hull paving of displacement yachts 25
Appendix D (Normative) Requirements for the values of hydrostatic pressure and dynamic wave pressure of the hull 27
Appendix E (Normative) Permissible Tensile Stress and Compressive Stress Limit Value Table 31
Appendix F (Normative) Values of Shear Force, Bending Moment and Deflection Coefficient 34
Appendix G (Normative) Limit span deflection ratio value table 35
Appendix H (Normative) Geometrical Characteristics of Member Sections 37
Appendix I (Normative) Requirements for effective width of strip plate 38
Appendix J (Normative) Deck Opening Requirements 39
Reference 40
Foreword
This document is in accordance with the provisions of GB/T 1.1-2020 "Guidelines for Standardization Work Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document is the first part of GB/T 40528 "Regulations on the Structural Dimensions of Multi-hull Yachts". GB/T 40528 has released the following parts.
---Part 1.Composite materials.
Please note that some of the contents of this document may involve patents. The issuing agency of this document is not responsible for identifying patents.
This document was proposed and managed by the National Ocean Shipping Standardization Technical Committee (SAC/TC12).
Drafting organizations of this document. China Classification Society Shanghai Branch, Zhuhai Sunbird Yacht Manufacturing Co., Ltd., Zhejiang Jialan Marine Electronics Co., Ltd.
Division, the 704th Research Institute of China Shipbuilding Industry Corporation, and Tianhai Fusion Defense Equipment Technology Co., Ltd.
The main drafters of this document. Fu Qichao, Zhuang Zhong, Ma Fengjun, Shao Handong, Hu Dairong, Zhang Runhua, Ma Sainan, Yan Song, Chen Hansong, Xi Chongde.
Introduction
This document adopts the overall requirements for the structure of composite multi-hull yachts, aluminum alloy multi-hull yachts, and steel multi-hull yachts, and local structure definitions
As well as the description of the calculation methods of the structural dimensions of each part, it can effectively guide the design of the multi-hull yacht and improve the design efficiency of the yacht design unit.
Rates are conducive to improving the international competitiveness of related products.
GB/T 40528 "Regulations on the Structural Dimensions of Multi-hull Yachts" is intended to be composed of three parts.
---Part 1.Composite materials;
---Part 2.Aluminum alloy;
---Part 3.Steel.
Multi-hull yacht structure size regulations
Part 1.composite materials
1 Scope
This document specifies the overall structural requirements and the specific size requirements of each part of the composite multi-hull large yacht, including the minimum plate thickness requirements,
Hull shell, outer frame, single bottom structure and auxiliary components, double bottom structure, bulkhead and deep tank, deck structure and superstructure, deck
The size requirements and calculation methods of chambers, bulwarks and pillars.
This document is applicable to the design, manufacture and inspection of composite multi-hull large yachts with a length of 24m and above.
2 Normative references
The contents of the following documents constitute the indispensable clauses of this document through normative references in the text. Among them, dated quotations
Only the version corresponding to that date is applicable to this document; for undated reference documents, the latest version (including all amendments) is applicable to
This document.
GB/T 3961-2009 Terminology for fiber reinforced plastics
3 Terms and definitions
The following terms and definitions defined in GB/T 3961-2009 apply to this document.
3.1
Bottomoutboard
The area formed by the outer edge of the bottom plate keel of a high-speed yacht up to the tangent point on the outside of the cabin floor.
Note 1.For high-speed yachts, the size of the bottom structure of the boat depends on the impact pressure during high-speed sailing.
The outer edge of the bottom plate keel of displacement yachts and semi-displacement yachts to the position 150mm above the outer bilge angle or the static waterline
Constitute the area.
Note 2.For displacement yachts and semi-displacement yachts, the bottom structure size depends on the hydrostatic buoyancy and pitch pressure.
3.2
Inboard bottom plate bottominboard
The area formed by the outer edge of the bottom plate keel of a high-speed yacht up to the tangent point on the inner side of the cabin floor.
Note 1.For high-speed yachts, the size of the bottom structure of the boat depends on the impact pressure during high-speed sailing.
The inner edge of the bottom plate keel of displacement yachts and semi-displacement yachts up to the inner bilge line or the position 150mm above the static waterline
Constitute the area.
Note 2.For displacement yachts and semi-displacement yachts, the bottom structure size depends on the hydrostatic buoyancy and pitch pressure.
3.3
Cross-deck
The bridge structure of the upper part of two adjacent hulls.
3.4
Haunch
The transition part between the connecting bridge (3.3) and the hull shell on the inboard side.
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