挪威标准 NORSOK N-004-2012 钢结构设计 Design of steel structures

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This NORSOK standard is developed with broad petroleum industry participation by interested parties in the
Norwegian petroleum industry and is owned by the Norwegian petroleum industry represented by The Norwegian
Oil Industry Association (OLF) and Federation of Norwegian Manufacturing Industries (TBL). Please note that whilst
every effort has been made to ensure the accuracy of this NORSOK standard, neither OLF nor TBL or any of their
members will assume liability for any use thereof. Standards Norway is responsible for the administration and
publication of this NORSOK standard.
Standards Norway Telephone: + 47 67 83 86 00
Strandveien 18, P.O. Box 242 Fax: + 47 67 83 86 01
N-1326 Lysaker Email: petroleum@standard.no
NORWAY Website: www.standard.no/petroleum
Copyrights reserved
NORSOK STANDARD N-004
Draft 3 to Rev. 3, November 2012
Design of steel structures
NORSOK standard N-004 Draft 3 to Rev. 3, November 2012
NORSOK standard Page 1 of 275
FOREWORD 3
INTRODUCTION 3
1 SCOPE 4
2 NORMATIVE AND INFORMATIVE REFERENCES 4
2.1 Normative references 4
2.2 Informative references 4
3 TERMS, DEFINITIONS, ABBREVIATIONS AND SYMBOLS 4
3.1 Terms and definitions 4
3.2 Abbreviations 5
3.3 Symbols 6
4 GENERAL PROVISIONS 9
5 STEEL MATERIAL SELECTION AND REQUIREMENTS FOR NON-DESTRUCTIVE TESTING 10
5.1 Design class 10
5.2 Steel quality level 10
5.3 Welding and non-destructive testing (NDT) 11
6 ULTIMATE LIMIT STATES 13
6.1 General 13
6.2 Ductility 13
6.3 Tubular members 14
6.3.1 General 14
6.3.2 Axial tension 14
6.3.3 Axial compression 15
6.3.4 Bending 16
6.3.5 Shear 16
6.3.6 Hydrostatic pressure 17
6.3.6.1 Hoop buckling 17
6.3.6.2 Ring stiffener design 18
6.3.7 Material factor 18
6.3.8 Tubular members subjected to combined loads without hydrostatic pressure 19
6.3.8.1 Axial tension and bending 19
6.3.8.2 Axial compression and bending 19
6.3.8.3 Interaction shear and bending moment 21
6.3.8.4 Interaction shear, bending moment and torsional moment 21
6.3.9 Tubular members subjected to combined loads with hydrostatic pressure 21
6.3.9.1 Axial tension, bending, and hydrostatic pressure 21
6.3.9.2 Axial compression, bending, and hydrostatic pressure 23
6.4 Tubular joints 25
6.4.1 General 25
6.4.2 Joint classification 25
6.4.3 Strength of simple joints 28
6.4.3.1 General 28
6.4.3.2 Basic resistance 29
6.4.3.3 Strength factor Qu 30
6.4.3.4 Chord action factor Qf 30
6.4.3.5 Design axial resistance for X and Y joints with joint cans 31
6.4.3.6 Strength check 32
6.4.4 Overlap joints 32
6.4.5 Ringstiffened joints 33
6.4.6 Cast joints 33
6.5 Strength of conical transitions 33
6.5.1 General 33
6.5.2 Design stresses 33
6.5.2.1 Equivalent design axial stress in the cone section. 33
6.5.2.2 Local bending stress at unstiffened junctions 34
6.5.2.3 Hoop stress at unstiffened junctions 34
6.5.3 Strength requirements without external hydrostatic pressure 35
6.5.3.1 Local buckling under axial compression 35
NORSOK standard N-004 Draft 3 to Rev. 3, November 2012
NORSOK standard Page 2 of 275
6.5.3.2 Junction yielding 35
6.5.3.3 Junction buckling 36
6.5.4 Strength requirements with external hydrostatic pressure 37
6.5.4.1 Hoop buckling 37
6.5.4.2 Junction yielding and buckling 37
6.5.5 Ring design 37
6.5.5.1 General 37
6.5.5.2 Junction rings without external hydrostatic pressure 37
6.5.5.3 Junction rings with external hydrostatic pressure 38
6.5.5.4 Intermediate stiffening rings 38
6.6 Design of plated structures 38
6.7 Design of cylindrical shells 39
6.8 Design against unstable fracture 39
6.8.1 General 39
6.8.2 Determination of maximum acceptable defect size 39
7 SERVICEABILITY LIMIT STATES 40
8 FATIGUE LIMIT STATES 40
8.1 General 40
8.2 Methods for fatigue analysis 40
9 ACCIDENTAL DAMAGE LIMIT STATES 41
9.1 General 41
9.2 Check for accidental actions 41
10 REASSESSMENT OF STRUCTURES 42
10.1 General 42
11 BIBLIOGRAPHY 43
12 COMMENTARY 44
Annex A (Normative) Design against accidental actions 60
Annex K (Normative) Special design provisions for jackets 122
Annex L (Normative) Special design provisions for ship shaped units 158
Annex M (Normative) Special design provisions for column stabilized units 201
Annex N (Normative) Special design provisions for tension leg platforms 241

标签： #钢 #结构 #结构设计

摘要：

挪威标准 NORSOK N-004-2012 是专门针对海洋工程与石油天然气工业中钢结构设计的权威规范，广泛应用于北海及其他恶劣海洋环境下的平台、模块和固定设施设计。该标准以极限状态设计法为基础，涵盖材料选择、构件强度、疲劳评估、结构稳定性及连接设计等关键内容，特别强调了风、波浪、冰荷载及偶然荷载下的结构完整性。NORSOK N-004 不仅继承了欧洲规范 EN 1993 的核心原则，还针对挪威大陆架的特殊环境条件进行了定制化补充，是工程人员在进行海上钢结构设计、校核与认证时必须掌握的重要技术文

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作者：小气猫 分类：国际标准 价格：20星币 属性：276 页 大小：6.86MB 格式：PDF 时间：2026-03-16

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