GB 8408-2018 PDF in English


GB 8408-2018 (GB8408-2018) PDF English
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GB8408-2018: PDF in English

GB 8408-2018
GB
NATIONAL STANDARD OF THE
PEOPLE’S REPUBLIC OF CHINA
ICS 97.200.40
Y 57
Replacing GB 8408-2008
Large-scale amusement device safety code
ISSUED ON. MAY 14, 2018
IMPLEMENTED ON. DECEMBER 01, 2018
Issued by. General Administration of Quality Supervision, Inspection
and Quarantine of the People's Republic of China;
Standardization Administration of the People's Republic of
China.
Table of Contents
Foreword ... 4
1 Scope ... 7
2 Normative references ... 7
3 Terms and definitions ... 11
4 General ... 11
4.1 Basic requirements ... 11
4.2 Risk assessment ... 12
5 Materials and fasteners ... 12
5.1 Commonly used steel ... 12
5.2 Commonly used non-ferrous metals ... 13
5.3 Non-metallic materials ... 14
5.4 Fasteners ... 16
6 Design ... 17
6.1 Basic design requirements ... 17
6.2 Design calculation ... 24
6.3 Speed and acceleration ... 27
6.4 Welding design ... 32
6.5 Structural design ... 36
6.6 Transmission system ... 37
6.7 Electrical and control system ... 40
6.8 Passenger carrying system ... 44
6.9 Safety devices and measures ... 53
7 Manufacturing and installation ... 58
7.1 Basic requirements ... 58
7.2 Welding ... 58
7.3 Heat treatment ... 61
7.4 Assembly ... 61
7.5 In-factory test ... 62
7.6 Coating ... 63
7.7 Packaging and transportation... 63
7.8 Foundation and ancillary facilities of devices ... 63
7.9 Field installation ... 65
7.10 On-site commissioning and trail run ... 67
7.11 Non-destructive testing ... 68
7.12 Inspection ... 71
8 Use management and maintenance ... 73
8.1 Safety operation management system and responsibility of amusement
Parks ... 73
8.2 Requirements for passengers ... 74
8.3 Operational behaviors ... 74
8.4 Emergency rescue ... 78
8.5 Maintenance, repair and renovation ... 78
8.6 Regular inspection according to law ... 79
Annex A (informative) Catalogue of national and industry standards for
commonly used steels ... 80
Annex B (normative) Requirements for mechanical properties of non-metallic
materials ... 83
Annex C (normative) Requirements for the performance level of commonly
used bolts and nuts ... 85
Annex D (informative) Load combination examples ... 87
Annex E (informative) Limit state design method ... 88
Annex F (informative) Welded joint forms ... 92
Large-scale amusement device safety code
1 Scope
This Standard specifies the basic safety requirements for the general rules,
materials and fasteners, design, manufacturing and installation, use
management and maintenance of large-scale amusement devices (hereinafter
referred to as amusement devices).
This Standard applies to large-scale amusement devices.
This Standard does not apply to competitive sport devices and fitness devices.
2 Normative references
The following referenced documents are indispensable for the application of
this document. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any
amendments) applies.
GB/T 699 Quality carbon structure steels
GB/T 709-2006 Dimension, shape, weight and tolerances for hot-rolled steel
plates and sheets
GB/T 715 Hot-rolled round carbon steel bars for standard parts
GB/T 983 Covered electrodes for manual metal arc welding of stainless and
heat-resisting steels
GB/T 985.1 Recommended joint preparation for gas welding, manual metal
arc welding, gas-shield arc welding and beam welding
GB/T 985.2 Recommended joint preparation for submerged arc welding
GB/T 1173 Casting aluminium alloys
GB/T 1176 Casting copper and copper alloys
GB/T 1231 Specifications of high strength bolts with large hexagon head,
large hexagon nuts, plain washers for steel structures
GB/T 1243 Short-pitch transmission precision roller and bush chains,
attachments and associated chain sprockets
GB/T 1527 Drawn tube of copper and copper alloys
GB/T 2040 Sheet of copper and copper alloy
GB/T 2059 Strips of copper and copper alloys
GB 2894 Safety signs and guideline for the use
GB/T 3077 Alloy structure steels
GB 3096 Environmental quality standards for noise
GB/T 3098 (all parts) Mechanical properties of fasteners
GB/T 3190 Wrought aluminium and aluminium alloy - Chemical composition
GB/T 3191 Aluminium and aluminium alloys extruded bars, rods
GB/T 3621 Titanium and titanium alloy plate and sheet
GB/T 3624 Titanium and titanium alloy seamless tubes
GB/T 3766 Hydraulic fluid power - General rules and safety requirements for
systems and their components
GB/T 3811-2008 Design rules for cranes
GB/T 3880 (all parts) Wrought aluminium and aluminium alloy plates, sheets
and strips for general engineering
GB/T 4423 Copper and copper-alloy cold-drawn rod and bar
GB 4706.1-2005 Household and similar electrical appliances - Safety - Part
1. General requirements
GB/T 4842 Argon
GB/T 5117 Covered electrodes for manual metal arc welding of non-alloy
and fine grain steels
GB/T 5118 Covered electrodes for manual metal arc welding of creep-
resisting steels
GB 5226.1-2008 Safety of machinery - Electrical equipment of machines -
Part 1. General requirements
GB/T 5293 Carbon steel electrodes and flux for submerged arcwelding
GB/T 5313 Steel plates with through-thickness characteristics
GB 5725 Safety nets
GB/T 6829 General requirements for residual current operated protective
devices
GB/T 6892 Wrought aluminium and aluminium alloys extruded profiles for
general engineering
GB/T 6893 Aluminium and aluminium alloys cold drawn (rolled) seamless
tubes
GB/T 7134 Poly (methyl methacrylate) cast sheets
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/T 9438 Aluminum alloy castings
GB/T 10045 Carbon steel flux cored electrodes for arc welding
GB/T 12470 Low-alloy steel electrodes and fluxes for submerged arc welding
GB/T 13384 General specifications for packing of mechanical and electrical
product
GB 13495.1-2015 Fire safety signs - Part 1. Signs
GB/T 13808 Wrought copper and copper alloys - Extruded rods and bars
GB/T 13955 Installation and operation of residual current operated protective
devices
GB/T 14957 Steel wires for melt welding
GB/T 15115 Die casting aluminum alloys
GB 15763 (all parts) Safety glazing materials in building
GB/T 17493 Low alloy steel flux cored electrodes for arc welding
GB/T 19418 Arc-welded joints in steel - Guidance on quality levels for
imperfections
GB/T 20306 Amusement devices terminology
GB/T 34370.1 Nondestructive testing of amusement equipment - Part 1.
General requirement
GB/T 34370.2 Nondestructive testing of amusement equipment - Part 2.
Visual examination
GB/T 34370.3 Nondestructive testing of amusement equipment - Part 3.
Magnetic particle testing
GB/T 34370.4 Nondestructive testing of amusement equipment - Part 4.
Penetrant testing
GB/T 34370.5 Nondestructive testing of amusement equipment - Part 5.
Ultrasonic testing
GB/T 34370.6 Nondestructive testing of amusement equipment - Part 6.
Radiographic testing
GB 50005 Standard for design of timber structures
GB 50007 Code for design of building foundation
GB 50009 Load code for the design of building structures
GB 50010 Code for design of concrete structures
GB 50011 Code for seismic design of buildings
GB 50017 Code for design of steel structures
GB 50057 Code for design protection of structures against lightning
GB/T 50065 Code for design of ac electrical installations earthing
GB 50135 Code for design of high-rising structures
GB 50169 Code for construction and acceptance of grounding connection
electric equipment installation engineering
GB 50202 Code for acceptance of construction quality of building foundation
GB 50204 Code for quality acceptance of concrete structure construction
GB 50206 Code for acceptance of construction quality of timber structures
GB 50231-2009 General code for construction and acceptance of
mechanical equipment installation engineering
GB 50545 Code for design of 110 KV ~ 750 KV overhead transmission line
GB 50661-2011 Code for welding of steel structures
JB/T 3223 Quality management specification for welding materials
JB/T 5000.12 Heavy mechanical general techniques and standards - Part 12.
Paint
NB/T 47014 Welding procedure qualification for pressure equipment
NB/T 47015-2011 Welding specification for pressure vessels
TSG Z6002 Examination rules for welding operators of special equipment
3 Terms and definitions
For the purpose of this document, the terms and definitions defined in GB/T
20306 apply.
4 General
4.1 Basic requirements
4.1.1 The design, manufacturing, installation and use of amusement devices
shall ensure personal safety.
4.1.2 Other requirements not mentioned in this Standard shall be implemented
in accordance with the specifications of relevant national laws and regulations,
safety technical specifications and standards.
4.1.3 Amusement devices shall be set up with product nameplates at prominent
locations. The nameplate of products shall include at least the name of the
manufacturing organization and the manufacturing address, the manufacturing
license number, the device type, the product number, the manufacturing date
and major technical parameters.
4.1.4 The manufacturing, installation, renovation and repair organizations of
amusement devices shall obtain the permission according to laws before
engaging in the corresponding activities, and shall be responsible for the quality
of the manufacturing, installation, renovation and repair. The operation and use
organization of amusement devices is responsible for the use safety of the
amusement devices.
4.1.5 When adopting new techniques, new methods, new materials and new
amusement devices that are not listed or exceed the scope of this Standard,
5.2.2.1 The chemical compositions of aluminum and aluminum alloys shall
comply with the specifications of GB/T 3190. The mechanical properties of the
processed products shall comply with the specifications of GB/T 3191, GB/T
3880 (all parts), GB/T 6892 and GB/T 6893.
5.2.2.2 The chemical composition and mechanical properties of casting
aluminum alloys shall comply with the specifications of GB/T 1173. The
chemical composition and mechanical properties of die casting aluminum alloys
shall comply with the specifications of GB/T 15115. Aluminum alloy castings
shall comply with the specifications of GB/T 9438.
5.2.3 Titanium and titanium alloy plates and sheets
The mechanical properties of titanium and titanium alloy plates and sheets shall
comply with the specifications of GB/T 3621. The mechanical properties of
titanium and titanium alloy tubes shall comply with the specifications of GB/T
3624.
5.2.4 Copper and copper alloys
5.2.4.1 The chemical composition and mechanical properties of copper and
copper alloy plates and sheets shall comply with the specifications of GB/T
2040 and GB/T 2059. The chemical composition and mechanical properties of
tubes shall comply with the specifications of GB/T 1527. The mechanical
properties of bars shall comply with the specifications of GB/T 4423 and GB/T1
3808.
5.2.4.2 The chemical composition and mechanical properties of casting copper
alloys shall comply with the specifications of GB/T 1176.
5.3 Non-metallic materials
5.3.1 Basic requirements
The non-metallic materials used shall comply with the specifications of the
relevant national standards, and their mechanical properties, anti-aging
properties, environmental performance and flammability shall meet the
requirements of working conditions.
5.3.2 Wood
The wood for main force-bearing members shall be not-easy-to-crack and dry
wood with less natural defects, high strength. Wood used in important locations
shall be subjected to flame retardant and preservative treatment if necessary.
The design of wooden structures shall comply with the specifications of GB
50005, and the construction quality shall comply with the specifications of GB
50206.
d - the nominal diameter of the thread, in millimeters (mm).
6 Design
6.1 Basic design requirements
6.1.1 Basic requirements
6.1.1.1 The design of amusement devices shall have design instructions,
calculation instructions, use and maintenance instructions and a full set of
drawings, risk assessment reports and design verification outlines complying
with the relevant national standards. The above information shall be kept until
at least the amusement devices are scrapped.
6.1.1.2 The design of amusement devices and auxiliary devices shall be
calculated correctly and reasonably structured to ensure passenger safety.
When accurate calculation cannot be performed, it can be confirmed and
verified by tests.
6.1.1.3 Operation and use organizations or design commissioners shall provide
the local meteorological, power supply, seismic and geological data in written
form to the design and manufacturing organizations.
6.1.1.4 The selection of materials shall be based on the consideration of
structural importance, load characteristics, structural forms, stress conditions,
manufacturing processes, connection methods and work environment.
6.1.1.5 The mechanical properties, heat treatment performance and welding
performance of metal materials used for important mechanical parts shall meet
the requirements of working conditions.
6.1.1.6 Amusement devices shall specify the design service life of the complete
machine and its main components. The calculated design life of the complete
machine shall be not less than 35000 hours, including the getting on/off time.
6.1.1.7 The use and maintenance instructions shall be in simplified Chinese.
For multilingual versions, the simplified Chinese version shall prevail. At least
the following contents shall be included.
a) Device overview and structure introduction;
b) Technical performance and parameters, operating conditions;
c) Operational procedures and precautions;
d) Notice to passengers;
a) When carrying 1 ~ 2 adults, it is calculated as not less than 750 N/person;
when carrying more than 2 adults, it is calculated as not less than 700
N/person.
b) Children (not more than 1.2 m in height or under 10 years of age) shall be
calculated as not less than 400 N/person.
NOTE. When calculating the number of passengers based on members, it shall calculate
according to the number of passengers designed to be carried. For example, for flying chair’s
single seat system, it is calculated as no less than 750 N/person. for overall pylons, it is
calculated as not less than 700N/person.
6.1.2.3 Supporting and constraint reaction of passengers
When designing cabins, the force exerted by the passenger on the armrest,
support, ankle and lining, etc. shall be taken into consideration when the vehicle
is in normal operation and during start-up, braking and emergency situations.
These forces shall not be less than 500 N/adult, and shall not be less than 300
N/person for amusement devices for children, expressed in Q2.
6.1.2.4 Value, Q3, of uniformly distributed live loads in human activity area
The value of live loads uniformly distributed in human activity areas such as
platforms, stairs, entrances and exits of amusement devices is as follows.
- Ordinary areas where human stand, such as stations, stairs, entrances and
exits. 3.5 kN/m2;
- Densely populated areas where human stand, such as densely populated
stands, stairs. 5 kN/m2;
- Unopened areas where human stand, such as floors, stairs, entrances and
exits that are not open to the public. 1.5 kN/m2;
- If the amusement device specifies the number of passengers in a certain
area, the uniformly distributed live loads in this area shall be calculated
based on the concentrated live loads of the number of passengers.
6.1.2.5 Value, Q4, of horizontal thrust in human activity area
The value of the horizontal thrust applied on fences, handrails, wallboards and
other similar places of amusement devices is as follows.
- In non-densely-populated areas, the point of action is at the high point of
the fence, etc.. 0.5 kN/m;
more than 80 mm, the calculation method of its load shall be in accordance with
according to the specifications in GB 50009. The snow load is expressed in Q10.
When operating in snow-free areas or there are measures to prevent snow
accumulation, the impact of snow loads may not be taken into consideration.
6.1.2.12 Temperature load
The value and calculation of the temperature load shall be in accordance with
the specifications in GB 50009. The temperature load is expressed in Q11.
6.1.2.13 Earthquake load
Large-scale, high-rise structures and amusement devices on buildings shall be
designed with consideration of earthquake-induced loads, expressed in T. The
calculation method shall be in accordance with the specifications of GB 50011.
6.1.2.14 Ice-coating load
For amusement devices with a height of more than 40 m and installed outdoors,
there is a possibility of ice coating on the structural members, the ice load shall
be calculated, expressed in Q12. The calculation method is in accordance with
the specifications of GB 50135.
6.1.2.15 Impact load
6.1.2.15.1 There may be impacts during the movement of amusement devices,
so as to generate impact loads (e.g. in purchase tackles, the impact load may
come from a track joint or a pit formed by a worn track). The load (permanent
load and live load and inertial forces borne) on the moving parts shall be
multiplied by an impact coefficient of not less than k1 = 1.2. For amusement
devices with a speed of less than 2 m/s, the impact load may not be calculated.
6.1.2.15.2 If the moving part has greater impact force during the actual
operation and the impact force cannot be reduced to range of the design
requirements, it is necessary to increase the impact coefficient accordingly to
carry out the modification calculation.
6.1.2.15.3 For amusement devices operating on tracks, when the operating
speed is greater than 20 km/h, the load on the track structure during operation
shall be multiplied by the vibration coefficient (not less than k2 = 1.2). In the
following cases, vibration may be exempted.
a) Support members or suspensions of track structures (e.g. main support
tubes, columns, etc. of tracks);
b) Ground pressure;
detailed welding records and pictures.
6.5 Structural design
6.5.1 The appropriate structural form shall be selected according to the
performance and force of amusement devices, and structural stress
concentration shall be minimized as possible.
6.5.2 The testability of amusement devices shall be considered. Measures
shall be taken to ensure the safety of structures that cannot be tested. Parts
that require regular inspections and non-destructive testing during use shall be
easy to inspect and tested; parts need to .......
Source: https://www.ChineseStandard.net/PDF.aspx/GB8408-2018