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Position: Chinese Standard in English/GB/T 3811-2008
GB/T 3811-2008   Design rules for cranes (English Version)
Standard No.: GB/T 3811-2008 Status:valid remind me the status change

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Language:English File Format:PDF
Word Count: 94000 words Price(USD):140.0 remind me the price change

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Implemented on:2008-11-1 Delivery: via email in 1 business day
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Standard No.: GB/T 3811-2008
English Name: Design rules for cranes
Chinese Name: 起重机设计规范
Chinese Classification: J80    Hoisting machinery
Professional Classification: GB    National Standard
Issued by: AQSIQ, SAC
Issued on: 2008-04-30
Implemented on: 2008-11-1
Status: valid
Superseding:GB/T 3811-1983 Design Rules for Cranes
GB 3811-1983 Design Rules for Cranes
Language: English
File Format: PDF
Word Count: 94000 words
Price(USD): 140.0
Delivery: via email in 1 business day
1 Scope This standard defines the required rules that must be complied with in the designs of complete machine, structure, mechanism, electrics, safety of cranes, and specifies the design and calculation requirement / method. This standard may be regulated as the technical base of analysis and assessment. The standard is applicable to overhead type crane, jib type crane and cable type crane, but doesn’t refer to the special design problem of the above cranes. This standard may be referenced as for the design of other cranes. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments (excluding amending error in the text) to, or revisions of, any of these publications do not be applied. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the normative document is applicable to this national standard. GB/T 699 Quality Carbon Structure Steels GB 700 Carbon Structure Steel GB/T 985 Basic Forms and Sizes of Weld Grooves for Gas Welding Manual Arc Welding And Gas -- Shielded Arc Welding GB/T 986 Basic Forms and Sizes of Weld Grooves for Submerged Arc Welding GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts, Plain Washers for Steel Structures GB/T 1591 High Strength Low Alloy Steel (GB/T 1591-1994, neq ISO 4950: 1981) GB/T 2585 Hot-rolled Steel Rails for Railway GB/T 2893 Safety Color (GB 2893-2001, neq ISO 3864: 1984) GB/T 2894 Safety Mark (GB 2894-1996, neq ISO 3864: 1984) GB/T 3077 Alloy Structure Steels GB/T 3098.1 Mechanical Properties of Fasteners - Bolts, Screws and Studs (GB/T 3098.1-2000, idt ISO 898-1: 1999) GB/T 3098.2 Mechanical Properties of Fasteners - Nuts - Coarse Thread (GB/T 3098.2-2000, idt ISO 898-2: 1992) GB/T 3480 Calculation Methods of Load Capacity for Involute Cylindrical Gears (GB/T 3480-1997, eqv ISO 6336-1~ 6336-3: 1996) GB/T 3633 Technical Requirement for Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures GB/T 4205 Man-machine Interface (MM) - Actuating Principles GB/T 4208 Degrees of Protection Provided by Enclosure (IP Code) (GB 4208-1993, eqv IEC 60529: 1989) GB/T 4942.1 Classification of Degrees of Protection Provided by Enclosures of Rotating Electrical Machines (IP Code) GB/T 5117 Carbon Steel Covered Electrode GB/T 5118 Low-alloy Steel Covered Arc Welding Electrode GB/T 5226.2 Safety of Machinery - Electrical Equipment of Machines - Part 32: Requirements for Hoisting Machines (GB 5226.2 - 2002, idt IEC 60204-32: 1998) GB/T 5269 Double-pitch Precision Roller Chains Attachments and Associated Chain Sprockets for Transmission and Conveyors (GB/T 5269 - 1999, idt ISO 1275: 1995) GB/T 5293 Carbon Steel Electrodes and Fluxs for Submerged Arc Welding GB/T 8110 Welding Electrodes and Rods for Gas Shielding Arc Welding of Carbon and Low Alloy Steel GB/T 8918 Steel Wire Ropes for Important Purposes (GB 8918-2006, ISO 3154: 1988, MOD) GB/T 9439 Grey Iron Castings GB/T 10051.1 Lifting Hooks Mechanical Properties, Lifting Capacities, Stresses and Materials GB/T 10062 Methods for the Calculation of Load Capacity for Bevel Gears ( GB/T 10062.1 ~ GB/T 10062.3-2003; ISO 10300–1 ~ ISO 10300 - 3:2001,IDT) GB/T 11264 Light Rail GB/T 11352 Carbon Steel Castings for General Engineering Purposes (GB/T 11352-1989, neq ISO 3755:1975) GB/T 14048.4 Low-voltage Switchgear and Control-gear - Electromechanical Contactors and Motor Starters (GB/T 14048.4-2003, IEC 60947–4–1:2000, IDT) GB/T 14408 Low Alloy Steel Castings for General Engineering and Structural Purposes GB 15052 Lifting Appliances - Dangerous Positions and Signs GB/T 17909.1 Cranes -- Crane driving manual -- Part 1: General (GB 17909.1-1999, idt IS0 9928– 1:1990) GB/T 18453.1 Cranes -- Maintenance manual -- Part 1: General (GB/T 18453.1-2001, idt ISO 12478-1:1997) GB/T 19418 Arc-welded Joints in Steel - Guidance on Quality Levels for Imperfections (GB/T 19418-2003, ISO 5817:1992, IDT) GB/T 20118 Steel Wire Ropes for General Purpose (GB/T 20118—2006, ISO/DIS 2408:2002 Steel Wire Ropes General Purpose - Minimum requirements, MOD) GB/T 20303.1 Cranes - Cabins - Part 1: Genera (GB/T 20303.1-2006, ISO 8566-1:1992,IDT) GB/T 20947 Short-link Chain for Lifting Purposes - Grade T (Types T DAT and DT) Fine-tolerance Hoist Chain GB 50058 Design Code for Power Facilities in the Circumstances with Explosion and Fire Danger JB/T 6392 Wheels for Cranes JB/T 7017 Hydraulic Buffer for Crane JB/T 7687.1 Blanks of Straight-shank Lifting Beam with Hooks JB/T 7687.2 Straight-shank Lifting Beam with Hooks JB/T 7687.3 Straight-shank Hook Nut JB/T 7687.4 Locating Plate for Straight-shank Hook Nut JB/T 8110.1 Spring Buffer for Crane JB/T 8110.2 Rubber buffer for Crane JB/T 8398 Double-plate Pressed Steel Sheave JB/T 9005 Casting Sheaves for Cranes JB/T 9006 Casting Drums for Cranes JB/T 10833 Polyurethane Buffer for Crane JG/T 5078.1 Construction Machinery and Equipment Welded Sheaves YB/T 5055 Crane Rails 3 Classifications 3.1 Division of Work Class Cranes complete handling operation through lifting and shifting the articles. to adapt different service condition and working requirement of cranes, the work class of the crane and its component parts shall be divided: ——Classification of complete crane machine; ——Classification of mechanisms; ——Classification of structural element or machine element 3.2 Classification of Complete Crane Machine 3.2.1 Utilization Class of Crane The design expected life of crane is referred to the total working cycle number from use starting to final rejection. A working cycle of crane refers to a whole process from hoisting a article to starting another article, including crane operation an normal outage. The utilization class of the crane can be divided into ten classes (U0, U1, U2 ... U9) according to the total working cycle number that it can complete. Please refer to Table 1. Table 1: Utilization Class of Crane
Contents 1 Scope 2 Normative References 3 Classifications 3.1 Division of Work Class 3.2 Classification of Complete Crane Machine 3.3 Classifications of mechanisms 3.4 Classification of structural element or mechanism element 4 Calculated load and load combination in crane design 4.1 Principles 4.2 Calculated load and load coefficient 4.3 Basic design method, load case load assembly in the metal structure design of crane 4.4 Load, load case and load assembly in mechanical design of crane 5 Structures 5.1 Metal structure members of the crane 5.2 Principle of structural calculation 5.3 Material and permissible stress 5.4 Structural member and joint strength calculation 5.5 Rigidity calculation of crane and the structural elements 5.6 Calculation for stability-protection of element 5.7 Calculation on flection-resisting of slab piece and shell 5.8 Calculation for fatigue strength of the structure 5.9 Construction requirement 6 Mechanism 6.1 Principles for Design Calculation of the Mechanism 6.2 Design calculation on the universal parts of crane 6.3 Calculation for selection of specific part of crane 7 Electricity 7.1 General provisions 7.2 Power source and power supplying 7.3 Power distribution system 7.4 Electric protection 7.5 Electric control 7.6 Work environment for the electronic equipments 7.7 Electromotor selection 7.8 Wires, cables and their laying 7.9 Electric load lifting devices 7.10 Auxiliary electronic equipments Chapter 8 Integrated antidumping stability and wind resistance and antiskid security 8.1 The integrated antidumping stability of cranes 8.2 Wind resistance and antiskid security of the cranes 9 Safeties 9.1 Design calculation of security of the crane 9.2 Marks, nameplates, safety marks, boundary dimension and clear distance of the cranes 9.3 Safety requirements for structures 9.4 Safety requirements for machines 9.5 Safety requirements for electricity 9.6 The safety and arrangement of control and manipulation 9.7 Installation requirements for the safety devices 9.8 Maintenance documentation of the cranes 9.9 Effective life of the cranes Annex A (Informative) Classification illustration of cranes Annex B (Informative) Classification illustration of crane Mechanism Annex C (Informative) The classification illustration of the hoisting condition of some cranes Annex D (Normative) Horizontal lateral load in deflected operation Annex E (Informative) Materials of wind load calculation Annex F (Normative) The application of working stress design and limit state design method Annex G (Normative) Load and load combination calculation of metal structure of all kinds of typical cranes Annex H (Normative) The value of capacity checking coefficients γn, γm and γ pi for load combination Annex I (Informative) Evaluation on factors influencing the brittle failure and the selection of quality classes of the steel products Annex J (Normative) Gage length of the compression element and converted slenderness ratio of the cancelled elements Annex K (Normative) Stability factor of axial compression element Annex L (Normative) Lateral buckling stability factor (integral stability factor) b of bending element Annex M (Informative) Global stability calculation of bending element Annex N (Normative) Buckling factor of local stability calculation for the lamella Annex O (Normative) The stress concentration condition grades and element joint types of structural joint for structural fatigue strength calculation Annex P (Normative) Initial separation for institutional electromotor like crane Annex Q (Informative) JC, CZ and G values in the calculation for motor capacity selection of crane mechanism Annex R (Normative) Overload verification of electromotor Annex S (Normative) Calorification verification of electromotor Annex T (Normative) Determination of shape factor Ks, size factor Kd, surface condition factor Ku and corrosion factor Kc Annex U (Informative) Adjustment on current capacity of conductor Annex V (Informative) The overturning wire of the mobile cranes Annex W (Informative) Symbols and codes References
Referred in GB/T 3811-2008:
*GB/T 699-2015 Quality carbon structural steels
*GB 700-1988
*GB/T 985-1988 Basic Forms and Sizes of Weld Grooves for Gas Welding, Manual Welding and Gas- shielded Welding
*GB/T 986-1988 Basic Forms and Sizes of Weld Grooves for Submerged Arc Weld
*GB/T 1231-2006 Specifications of High Strength Bolts with Large Hexagon Head, Lar
*GB/T 1591-2008 High Strength Low Alloy Structural Steels
*GB/T 2585-
*GB/T 2893-2001
*GB/T 2894-1982
*GB/T 3077-2015 Alloy structure steels
*GB/T 3098.1-2010 Mechanical properties of fasteners—Bolts,screws and studs
*GB/T 3098.2-2015 Mechanical properties of fasteners—Nuts
*GB/T 3480-1997 Calculation methods of load capacity for involute cylindrical gears
*GB/T 3633-1995 Technical requirement for sets of torshear type high strength bolt hexagon nut and plain washer for steel structures
*GB/T 4205-2010 Basic and safety principles for man-machine interface(MMI),marking and identification—Actuating principles
*GB/T 4208-2008
*GB/T 4942.1-2006 Degrees of Protection Provided by the Integral Design of Rotating Electrical Machined (IP Code)-Classification
*GB/T 5117-2012 Covered electrodes for manual metal arc welding of non-alloy and fine grain steels
*GB/T 5118-2012 Covered electrodes for manual metal arc welding of creep-resisting steels
*GB/T 5226.2-19
*GB/T 5269-2008 Double-pitch precision roller chains attachments and associated chain sprockets for transmission and conveyors
*GB/T 5293-1999 Carbon steel electrodes and fluxs for submerged arc welding
*GB/T 8110-2008 Welding electrodes and rods for gas shielding arc welding of carbon and low alloy steel
*GB/T 8918-1996 Quality steel wire ropes
*GB/T 9439-2010 Grey Iron Castings
*GB/T 10051.1-2010 Lifting hooks—Part 1:Mechanical properties,lifting capacities,stresses and materials
*GB/T 10062-1988
*GB/T 11264-2012 Hot-rolled light rails
*GB/T 11352-2009 Carbon steel castings for general engineering purpose
*GB/T 14048.4-2010
*GB/T 14408-2014 Low Alloy Steel Castings for General Engineering and Structural Purposes
*GB 15052-2010 Cranes—Safety signs and hazard pictorials—General principles
*GB/T 17909.1-1999 Cranes - Crane driving manual - Part 1: General
*GB/T 18453.1-19
*GB/T 19418-2003 Arc-welded Joints in Steel - Guidance on Quality Levels for Impe
*GB/T 20118-2006 Steel wire ropes for general purpose
*GB/T 20303.1-2016
*GB/T 20947-2007 Short-link chain for lifting purposes—Grade T (types T DAT and DT) fine-tolerance hoist chain
*GB 50058-2014 Code for Design of Electrical Installations in Explosive Atmospheres
*JB/T 6392-2008 Rail wheels for crane
*JB/T 7017-1993 Hydraulic Buffer for Cranes
*JB/T 7687.1-1995 Beam Blank with Straight Shank Lifting Hook
*JB/T 7687.2-1995 Beams with Straight Shank Lifting Hooks
*JB/T 7687.3-1995 Straight Shank Hook Nut
*JB/T 7687.4-1995 Position Fixing Plate for Straight Shank Hook Nuts
*JB/T 8110.1-1999 Spring buffer for crane
*JB/T 8110.2-1999 Rubber buffer for crane
*JB/T 8398-1996
*JB/T 9005-
*JB/T 9006-2013 Drums for cranes
*JB/T 10833-2008 The polyurethane buffer for cranes
*JG/T 5078.1-1996 Construction machinery and equipment Welded pulleys
*YB/T 5055-2014 Crane rails
GB/T 3811-2008 is referred in:
* GB 26545-2011 Building construction machinery and equipment - Safety requirements of drill rigs
* GB 50049-2011 Code for design of small fossil fired power plant
* GB/T 10051.1-2010 Lifting hooks—Part 1:Mechanical properties,lifting capacities,stresses and materials
* JB/T 7688.1-2008 Specifications for metaallurgy crenes-Part1:General requirements
* GB 6067.1-2010 Safety rules for lifting appliances—Part 1:General
* GB 26545-2011 Building construction machinery and equipment - Safety requirements of drill rigs
* GB 50049-2011 Code for design of small fossil fired power plant
* GB 6067.1-2010 Safety rules for lifting appliances—Part 1:General
* GB/T 10051.1-2010 Lifting hooks—Part 1:Mechanical properties,lifting capacities,stresses and materials
* JB/T 7688.1-2008 Specifications for metaallurgy crenes-Part1:General requirements
* GB 50049-2011 Code for design of small fossil fired power plant
* GB/T 10051.1-2010 Lifting hooks—Part 1:Mechanical properties,lifting capacities,stresses and materials
* JB/T 9008.1-2004 Electric wire rope hoists Part1: Types and basic parameter,specification
* GB/T 14560-2011 Crawler cranes
* GB/T 14405-2011 Bridge crane for general purpose
* JB/T 10222-2011 explosion-proof hoists
* NB/T 20011-2010 Design Requirements for Nuclear Safety Related Steel Structure for Pressurized Water Reactor Nuclear Power Plant
* NB/T 20012-2010 Design Requirements for Nuclear Safety Related Concrete Structure for Pressurized Water Reactor Nuclear Power Plant
* NB/T 20234-2013 Code for Design of Cranes Dedicated for Nuclear Power Plants
*GB/T 17495-2009 The harbour portal crane
*JB/T 1306-2008 Electric single girder carane
*JB/T 9008.1-2014 Electric wire rope hoists—Part 1:Types and basic parameter
*GB 25849-2010 Mobile elevating work platforms—Design calculations,safety requirements and test methods
*GB 6067.5-2014 Safety rules for lifting appliances―Part 5:Bridge and gantry cranes
*QC/T 459-2004 Truck with loading crane
*QC/T 459-2014 Truck with loading crane
*GB/T 33504-2017 Mobile suspended work platform
*GB 40160-2021 Safety rules for elevating work platforms
*JB/T 12577-2015 Loader cranes
Code of China
Standard
GB/T 3811-2008  Design rules for cranes (English Version)
Standard No.GB/T 3811-2008
Statusvalid
LanguageEnglish
File FormatPDF
Word Count94000 words
Price(USD)140.0
Implemented on2008-11-1
Deliveryvia email in 1 business day
Detail of GB/T 3811-2008
Standard No.
GB/T 3811-2008
English Name
Design rules for cranes
Chinese Name
起重机设计规范
Chinese Classification
J80
Professional Classification
GB
ICS Classification
Issued by
AQSIQ, SAC
Issued on
2008-04-30
Implemented on
2008-11-1
Status
valid
Superseded by
Superseded on
Abolished on
Superseding
GB/T 3811-1983 Design Rules for Cranes
GB 3811-1983 Design Rules for Cranes
Language
English
File Format
PDF
Word Count
94000 words
Price(USD)
140.0
Keywords
GB/T 3811-2008, GB 3811-2008, GBT 3811-2008, GB/T3811-2008, GB/T 3811, GB/T3811, GB3811-2008, GB 3811, GB3811, GBT3811-2008, GBT 3811, GBT3811
Introduction of GB/T 3811-2008
1 Scope This standard defines the required rules that must be complied with in the designs of complete machine, structure, mechanism, electrics, safety of cranes, and specifies the design and calculation requirement / method. This standard may be regulated as the technical base of analysis and assessment. The standard is applicable to overhead type crane, jib type crane and cable type crane, but doesn’t refer to the special design problem of the above cranes. This standard may be referenced as for the design of other cranes. 2 Normative References The following standards contain provisions which, through reference in this text, constitute provisions of this national standard. For dated reference, subsequent amendments (excluding amending error in the text) to, or revisions of, any of these publications do not be applied. However, the parties whose enter into agreement according to these specifications are encouraged to research whether the latest editions of these references are applied or not. For undated references, the latest edition of the normative document is applicable to this national standard. GB/T 699 Quality Carbon Structure Steels GB 700 Carbon Structure Steel GB/T 985 Basic Forms and Sizes of Weld Grooves for Gas Welding Manual Arc Welding And Gas -- Shielded Arc Welding GB/T 986 Basic Forms and Sizes of Weld Grooves for Submerged Arc Welding GB/T 1231 Specifications of High Strength Bolts with Large Hexagon Head, Large Hexagon Nuts, Plain Washers for Steel Structures GB/T 1591 High Strength Low Alloy Steel (GB/T 1591-1994, neq ISO 4950: 1981) GB/T 2585 Hot-rolled Steel Rails for Railway GB/T 2893 Safety Color (GB 2893-2001, neq ISO 3864: 1984) GB/T 2894 Safety Mark (GB 2894-1996, neq ISO 3864: 1984) GB/T 3077 Alloy Structure Steels GB/T 3098.1 Mechanical Properties of Fasteners - Bolts, Screws and Studs (GB/T 3098.1-2000, idt ISO 898-1: 1999) GB/T 3098.2 Mechanical Properties of Fasteners - Nuts - Coarse Thread (GB/T 3098.2-2000, idt ISO 898-2: 1992) GB/T 3480 Calculation Methods of Load Capacity for Involute Cylindrical Gears (GB/T 3480-1997, eqv ISO 6336-1~ 6336-3: 1996) GB/T 3633 Technical Requirement for Sets of Torshear Type High Strength Bolt Hexagon Nut and Plain Washer for Steel Structures GB/T 4205 Man-machine Interface (MM) - Actuating Principles GB/T 4208 Degrees of Protection Provided by Enclosure (IP Code) (GB 4208-1993, eqv IEC 60529: 1989) GB/T 4942.1 Classification of Degrees of Protection Provided by Enclosures of Rotating Electrical Machines (IP Code) GB/T 5117 Carbon Steel Covered Electrode GB/T 5118 Low-alloy Steel Covered Arc Welding Electrode GB/T 5226.2 Safety of Machinery - Electrical Equipment of Machines - Part 32: Requirements for Hoisting Machines (GB 5226.2 - 2002, idt IEC 60204-32: 1998) GB/T 5269 Double-pitch Precision Roller Chains Attachments and Associated Chain Sprockets for Transmission and Conveyors (GB/T 5269 - 1999, idt ISO 1275: 1995) GB/T 5293 Carbon Steel Electrodes and Fluxs for Submerged Arc Welding GB/T 8110 Welding Electrodes and Rods for Gas Shielding Arc Welding of Carbon and Low Alloy Steel GB/T 8918 Steel Wire Ropes for Important Purposes (GB 8918-2006, ISO 3154: 1988, MOD) GB/T 9439 Grey Iron Castings GB/T 10051.1 Lifting Hooks Mechanical Properties, Lifting Capacities, Stresses and Materials GB/T 10062 Methods for the Calculation of Load Capacity for Bevel Gears ( GB/T 10062.1 ~ GB/T 10062.3-2003; ISO 10300–1 ~ ISO 10300 - 3:2001,IDT) GB/T 11264 Light Rail GB/T 11352 Carbon Steel Castings for General Engineering Purposes (GB/T 11352-1989, neq ISO 3755:1975) GB/T 14048.4 Low-voltage Switchgear and Control-gear - Electromechanical Contactors and Motor Starters (GB/T 14048.4-2003, IEC 60947–4–1:2000, IDT) GB/T 14408 Low Alloy Steel Castings for General Engineering and Structural Purposes GB 15052 Lifting Appliances - Dangerous Positions and Signs GB/T 17909.1 Cranes -- Crane driving manual -- Part 1: General (GB 17909.1-1999, idt IS0 9928– 1:1990) GB/T 18453.1 Cranes -- Maintenance manual -- Part 1: General (GB/T 18453.1-2001, idt ISO 12478-1:1997) GB/T 19418 Arc-welded Joints in Steel - Guidance on Quality Levels for Imperfections (GB/T 19418-2003, ISO 5817:1992, IDT) GB/T 20118 Steel Wire Ropes for General Purpose (GB/T 20118—2006, ISO/DIS 2408:2002 Steel Wire Ropes General Purpose - Minimum requirements, MOD) GB/T 20303.1 Cranes - Cabins - Part 1: Genera (GB/T 20303.1-2006, ISO 8566-1:1992,IDT) GB/T 20947 Short-link Chain for Lifting Purposes - Grade T (Types T DAT and DT) Fine-tolerance Hoist Chain GB 50058 Design Code for Power Facilities in the Circumstances with Explosion and Fire Danger JB/T 6392 Wheels for Cranes JB/T 7017 Hydraulic Buffer for Crane JB/T 7687.1 Blanks of Straight-shank Lifting Beam with Hooks JB/T 7687.2 Straight-shank Lifting Beam with Hooks JB/T 7687.3 Straight-shank Hook Nut JB/T 7687.4 Locating Plate for Straight-shank Hook Nut JB/T 8110.1 Spring Buffer for Crane JB/T 8110.2 Rubber buffer for Crane JB/T 8398 Double-plate Pressed Steel Sheave JB/T 9005 Casting Sheaves for Cranes JB/T 9006 Casting Drums for Cranes JB/T 10833 Polyurethane Buffer for Crane JG/T 5078.1 Construction Machinery and Equipment Welded Sheaves YB/T 5055 Crane Rails 3 Classifications 3.1 Division of Work Class Cranes complete handling operation through lifting and shifting the articles. to adapt different service condition and working requirement of cranes, the work class of the crane and its component parts shall be divided: ——Classification of complete crane machine; ——Classification of mechanisms; ——Classification of structural element or machine element 3.2 Classification of Complete Crane Machine 3.2.1 Utilization Class of Crane The design expected life of crane is referred to the total working cycle number from use starting to final rejection. A working cycle of crane refers to a whole process from hoisting a article to starting another article, including crane operation an normal outage. The utilization class of the crane can be divided into ten classes (U0, U1, U2 ... U9) according to the total working cycle number that it can complete. Please refer to Table 1. Table 1: Utilization Class of Crane
Contents of GB/T 3811-2008
Contents 1 Scope 2 Normative References 3 Classifications 3.1 Division of Work Class 3.2 Classification of Complete Crane Machine 3.3 Classifications of mechanisms 3.4 Classification of structural element or mechanism element 4 Calculated load and load combination in crane design 4.1 Principles 4.2 Calculated load and load coefficient 4.3 Basic design method, load case load assembly in the metal structure design of crane 4.4 Load, load case and load assembly in mechanical design of crane 5 Structures 5.1 Metal structure members of the crane 5.2 Principle of structural calculation 5.3 Material and permissible stress 5.4 Structural member and joint strength calculation 5.5 Rigidity calculation of crane and the structural elements 5.6 Calculation for stability-protection of element 5.7 Calculation on flection-resisting of slab piece and shell 5.8 Calculation for fatigue strength of the structure 5.9 Construction requirement 6 Mechanism 6.1 Principles for Design Calculation of the Mechanism 6.2 Design calculation on the universal parts of crane 6.3 Calculation for selection of specific part of crane 7 Electricity 7.1 General provisions 7.2 Power source and power supplying 7.3 Power distribution system 7.4 Electric protection 7.5 Electric control 7.6 Work environment for the electronic equipments 7.7 Electromotor selection 7.8 Wires, cables and their laying 7.9 Electric load lifting devices 7.10 Auxiliary electronic equipments Chapter 8 Integrated antidumping stability and wind resistance and antiskid security 8.1 The integrated antidumping stability of cranes 8.2 Wind resistance and antiskid security of the cranes 9 Safeties 9.1 Design calculation of security of the crane 9.2 Marks, nameplates, safety marks, boundary dimension and clear distance of the cranes 9.3 Safety requirements for structures 9.4 Safety requirements for machines 9.5 Safety requirements for electricity 9.6 The safety and arrangement of control and manipulation 9.7 Installation requirements for the safety devices 9.8 Maintenance documentation of the cranes 9.9 Effective life of the cranes Annex A (Informative) Classification illustration of cranes Annex B (Informative) Classification illustration of crane Mechanism Annex C (Informative) The classification illustration of the hoisting condition of some cranes Annex D (Normative) Horizontal lateral load in deflected operation Annex E (Informative) Materials of wind load calculation Annex F (Normative) The application of working stress design and limit state design method Annex G (Normative) Load and load combination calculation of metal structure of all kinds of typical cranes Annex H (Normative) The value of capacity checking coefficients γn, γm and γ pi for load combination Annex I (Informative) Evaluation on factors influencing the brittle failure and the selection of quality classes of the steel products Annex J (Normative) Gage length of the compression element and converted slenderness ratio of the cancelled elements Annex K (Normative) Stability factor of axial compression element Annex L (Normative) Lateral buckling stability factor (integral stability factor) b of bending element Annex M (Informative) Global stability calculation of bending element Annex N (Normative) Buckling factor of local stability calculation for the lamella Annex O (Normative) The stress concentration condition grades and element joint types of structural joint for structural fatigue strength calculation Annex P (Normative) Initial separation for institutional electromotor like crane Annex Q (Informative) JC, CZ and G values in the calculation for motor capacity selection of crane mechanism Annex R (Normative) Overload verification of electromotor Annex S (Normative) Calorification verification of electromotor Annex T (Normative) Determination of shape factor Ks, size factor Kd, surface condition factor Ku and corrosion factor Kc Annex U (Informative) Adjustment on current capacity of conductor Annex V (Informative) The overturning wire of the mobile cranes Annex W (Informative) Symbols and codes References
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Keywords:
GB/T 3811-2008, GB 3811-2008, GBT 3811-2008, GB/T3811-2008, GB/T 3811, GB/T3811, GB3811-2008, GB 3811, GB3811, GBT3811-2008, GBT 3811, GBT3811