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GB 50341-2014

标准搜索结果: 'GB 50341-2014'
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GB 50341-2014 英文版 2250 购买 现货,9秒内自动发货PDF,有增值税发票。 立式圆筒形钢制焊接油罐设计规范(附条文说明) 有效

   
标准详细信息 GB 50341-2014; GB50341-2014
中文名称: 立式圆筒形钢制焊接油罐设计规范(附条文说明)
英文名称: National Standard
行业: 国家标准
中标分类: E98
国际标准分类: 75.180
字数估计: 246,000
发布日期: 29/5/2014
实施日期: 1/3/2015
旧标准 (被替代): GB 50341-2003
引用标准: GB 50009; GB 50128; GB 50191; GB 50205; GB/T 699; GB/T 700; GB 713; GB/T 985.1; GB/T 985.2; GB/T 1591; GB/T 3077; GB/T 3091; GB/T 3274; GB 3531; GB 6479; GB/T 8163; GB 9948; GB 19189; JB/T 4730.2; JB/T 4730.3; JB/T 4730.4; JB/T 4730.5; NB/T 47008; NB/T 47
起草单位: 中国石油天然气管道工程有限公司
归口单位: 石油工程建设专业标准化委员会
标准依据: 住房和城乡建设部公告第432号
发布机构: Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China; Ministry of Housing and Urban-Rural Development of the People's Republic of China
范围: 为了规范立式圆筒形钢制焊接油罐的设计, 做到技术先进、经济合理、安全适用、确保质量, 制定本规范。本规范适用于储存石油、石化产品及其他类似液体的常压和接近常压立式圆筒形钢制焊接油罐的设计, 不适用于埋地、储存毒性程度为极度和高度危害介质、人工致冷液体储罐的设计。立式圆筒形钢制焊接油罐设计除应执行本规范外, 尚应符合国家现行有关标准的规定。


GB 50341-2014
UDC GB
NATIONAL STANDARD
OF THE PEOPLE'S REPUBLIC OF CHINA
P GB 50341-2014
Code for Design of Vertical Cylindrical Welded Steel Oil Tanks
立式圆筒形钢制焊接油罐设计规范
ISSUED ON. MAY 29, 2014
IMPLEMENTED ON. MARCH 1, 2015
Jointly issued by. Ministry of Housing and Urban-Rural Development;
General Administration of Quality Supervision, Inspection and
Quarantine of the People's Republic of China.
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Contents
Foreword ... 6 
1 General Provisions ... 8 
2 Terms ... 8 
3 Basic Requirement ... 9 
4 Materials ... 11 
4.1 General Requirement ... 11 
4.2 Steel Plates ... 12 
4.3 Steel Pipe ... 14 
4.4 Forgings ... 15 
4.5 Screw and Nut ... 17 
4.6 Structural Steel ... 17 
4.7 Welding Materials ... 18 
5 Bottom Design ... 18 
5.1 Size of Bottom Plates ... 18 
5.2 Bottom Structure ... 19 
6 Shell Design ... 22 
6.1 Shell Plate's Arrangement and Connection ... 22 
6.2 Curb Angle ... 23 
6.3 Shell Thickness ... 24 
6.4 Wind Girder ... 25 
7 Fixed Roof ... 30 
7.1 General Requirement ... 30 
7.2 Allowable Stress of Structural Components ... 32 
7.3 Self-supporting Cone Roof ... 34 
7.4 Column-Supported Cone Roof ... 35 
7.5 Self-supporting Dome Roof ... 36 
8 Floating Roof ... 38 
8.1 General Requirement ... 38 
8.2 Structure and Connection of Floating Roof ... 39 
8.3 Floating Roof Supports ... 39 
8.4 Primary Floating Roof Drains ... 40 
8.5 Emergency Roof Drains ... 40 
8.6 Rolling Ladder and Track... 40 
8.7 Automatic Bleeder Vents ... 41 
8.8 Guiding Devices ... 41 
8.9 Peripheral Seals and Static Extracting Devices ... 41 
8.10 Floating Roof Manhole ... 42 
8.11 Compartment Manhole ... 42 
8.12 Wax Scrapers ... 42 
9 Internal Floating Roof ... 42 
9.1 General Requirement ... 42 
9.2 Open-Top Bulk-Headed, Single-Deck and Double-deck Internal Floating Roof ... 43 
9.3 Internal Floating Roof on Floats ... 44 
9.4 Internal Floating Roof Supports ... 44 
9.5 Peripheral Seals ... 44 
9.6 Automatic Bleeder Vents ... 45 
9.7 Vents ... 45 
9.8 High Liquid Level Protection ... 46 
9.9 Guiding Devices ... 46 
9.10 Manhole and Inspection Hatches ... 46 
10 Appurtenances ... 46 
10.1 General Requirement ... 46 
10.2 Shell Opening and Reinforcement ... 47 
10.4 Shell Nozzles ... 51 
10.5 Flush-type Cleanout Fittings ... 56 
10.6 Roof Manholes ... 61 
10.7 Roof Nozzles ... 62 
10.8 Drain Elbows ... 63 
10.9 Water Draw-off Sumps ... 64 
10.10 Spiral Stairway, Platforms and Handrails ... 65 
10.11 Scaffold Cable Support ... 66 
10.12 Protection against Lightning, Static and Others ... 67 
11.1 Wind Stable Calculation ... 67 
11.2 Anchorage Design ... 69 
12 Prefabrication, Assembling, Welding and Inspection ... 71 
12.1 Prefabrication, Assembling and Welding ... 71 
12.2 Non-destructive Testing and Tests of Welding Seam ... 72 
12.3 Geometry and Dimension Inspection ... 75 
12.4 Water Filling Test ... 77 
12.5 Fixed Roof Test ... 78 
Appendix A Design of Tank for Small Internal Pressures ... 79 
Appendix C Requirements for Tank Operating at Elevated Temperatures ... 93 
Appendix D Seismic Design of Oil Tank ... 95 
Appendix E Basic Requirement of Foundation and Basis for Oil Tank ... 102 
Appendix F Load Combinations ... 106 
Appendix G Variable-design-point Method on Tank Shell Thickness Calculation ... 108 
Appendix H Calculation for Spherical Dome Roof with Rib Reinforcement ... 111 
Appendix J Allowable External Loads on Shell Openings ... 114 
Explanation of Wording in This Code ... 124 
List of Quoted Standards ... 125 
According to the requirements of Ministry of Housing and Urban-Rural Development in
Notice on Printing Development and Revision Plan of National Engineering Construction
Standards and Codes in 2011 (JIANBIAO [2011] No. 17), the code drafting group
summarizes experience from GB 50341-2003 Code for Design of Vertical Cylindrical Welded
Steel Oil Tanks, refers to relevant international and foreign advanced standards and revises
this code based on extensive investigation and solicitation of opinions, discussion and
modification.
This code covers the design of vertical cylindrical welded steel oil tanks in following
main technical aspects, including materials, bottom design, shell design, fixed roof, floating
tank, tank for small internal pressures, design of storage tank for external pressure,
requirements for tank operating at elevated temperatures, seismic design of oil tank, basic
requirement of foundation and basis for oil tank, load combinations, variable-design-point
method on tank shell thickness calculation, calculation for spherical dome roof with rib
reinforcement, allowable external loads on shell openings.
There have been some significant changes in this code in the following technical aspects.
1. Chapter 11 "Wind Stable Calculation and Anchorage Design of Oil Tank", Appendix B
"Design of Storage Tank for External Pressure", Appendix F "Load Combinations", Appendix
G "Variable-design-point Method on Tank Shell Thickness Calculation" and Appendix J
2. Design negative pressure of atmospheric pressure storage tank is revised; positive
design pressure of fixed-roof oil tank is increased to 18kPa and the maximum design negative
pressure is increased to 6.9kPa;
3. Allowable stress of materials is revised; materials of Q235-A.F, Q235-A, Q345-C,
Q345-D, 15MnNbR, 07MnNiCrMoVDR are removed;
4. Minimum sketch bottom plate’s thickness and lap width limit between bottom plates
are revised; extension limit of sketch bottom plates is adjusted;
5. Liquid level and welded joint coefficient are revised in the formula for calculating
shell thickness by fixed-design-point method;
7. When fixed-roof oil tank roof and shell use weakly connected structure, the
requirements, roof thickness and calculation formula of effective sectional area are revised;
support guide support structure form and requirements of supporting cone roof and monolayer
spherical latticed shell requirements are added;
8. The requirements by which the floating roof structure design shall comply, limitation
of floating roof compartment to meet the tightness requirements, the relevant requirements of
peripheral seals and static extracting devices are revised; the relevant requirements of wax
scrapers are added;
9. Electrical continuity and static extracting of internal floating roof are revised; the
10. Specification and dimension of nozzle reinforcement plate, flanged connection shell
1 General Provisions
1.0.1 This code is formulated to standardize design of vertical cylindrical welded steel oil
tanks and make it advanced in technology, cost-effective, safe and applicable and high quality.
1.0.2 This code is applicable to design of vertical cylindrical welded steel oil tanks at and
close to normal pressure for storing petroleum and petrochemical and other similar liquid but
it is not applicable to design of buried tank, tank holding extremely and highly hazardous
medium and artificial refrigerant fluid tank.
1.0.3 Design of vertical cylindrical welded steel oil tanks shall comply with not only this
2 Terms
2.0.1 Annular/sketch bottom plates
The outermost bottom plates at the lower part of shell plates.
2.0.2 Annular bottom plates
Annular/sketch bottom plates with polygonal or circular inner edge.
2.0.3 Bottom plates
Bottom plates except edge plate.
2.0.4 Fixed roofs
Roof around which shell ends are fixed and connected, mainly including types as
1 Self-supporting cone roof. with circular cone roof and supported only by the shell
periphery;
2 Column-supported cone roof. with circular cone roof and supported by shell, girder,
column or other structure;
3 Self-supporting dome roof. with spherical roof and supported only by the shell
periphery.
2.0.5 Floating roofs
Roof which lifts with the liquid level, including external floating roof, in an open-top oil
tank and internal floating roof, in fixed-roof oil tank. Generally, the floating roof tank refers
1 Sing...
   
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