1 Scope
This standard specifies terms and definitions, product classification, technical requirements, test methods and judgment in terms of safety technology for children's footwear.
This standard is applicable to daily footwear made of all kinds of materials and intended for children of 14 years old or below (whose footwear size is 250mm or below).
This standard is not applicable to children's rubber footwear.
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 normative document (including any amendments) applies.
GB/T 2703 "Terminology for Footwear"
GB/T 2912.1 "Textiles - Determination of Formaldehyde - Part 1: Free and Hydrolyzed Formaldehyde (Water Extraction Method)"
GB 6675.2-2014 "Safety of Toys - Part 2: Mechanical and Physical Properties"
GB/T 17592 "Textiles - Determination of the Banned Azo Colourants"
GB/T 19941 "Leather and Fur - Chemical Tests - Determination of Formaldehyde Content"
GB/T 19942 "Leather and Fur - Chemical Tests - Determination of Banned Azo Colourants"
GB/T 22807 "Leather and Fur - Chemical Tests - Determination of Chromium (VI) Content"
GB/T 24153 "Rubber and Elastomer Materials - Determination of N-nitrosamines"
GB/T 26713 "Footwear - Chemical Tests - Determination of Dimethyl Fumarate (DMF)"
GB 28011 "Shanks for Footwear"
GB/T 29292 "Footwear - Critical Substances Potentially Present in Footwear and Footwear Components"
QB/T 4340 "Footwear - Chemical Test Method - Determination of Total Heavy Metal Content - Inductively Coupled Plasma Atomic Emission Spectrometry Method"
ISO/TS 16181 "Footwear - Critical Substances Potentially Present in Footwear and Footwear Components - Determination of Phthalates in Footwear Materials" （Footwear - Critical substances potentially present in footwear and footwear components - Determination of phthalates in footwear materials)
3 Terms and Definitions
For the purpose of this document, the terms and definitions below and those specified in GB/T 2703 apply.
3.1 Accessories
Components attached on children's footwear that play a part in connecting, decoration or instruction.
3.2 Accessible sharp edge
Edge that is formed at joint for two surfaces of any component or accessory on children's footwear, may be harmful to children by contact and with a length more than 2.0mm.
3.3 Accessible sharp point
Sharp point on any component or accessory of children's footwear that may be harmful to children.
3.4 Children’s footwear
Footwear whose sizes range from 170mm to 250mm and which are for 3-year-old ~ 14-year-old children.
3.5 Infant’s shoe
Shoes whose shoe sizes are not greater than 170mm and which are for infants and young children less than 3 years old.
3.6 Technical heel height
The value obtained by subtracting thickness of touchdown parts on half sole from height of heel.
Chapter 1 General
Chapter 2 Terms and Symbols
2.1 Terms
2.2 Symbols
Chapter 3 Basic Requirements of Seismic Design
3.1 Category and Criterion for Seismic Precaution of Buildings
3.2 Earthquake Effect
3.3 Site and Base
3.4 Regularity of Building Configuration and Structural Assembly
3.5 Structural System
3.6 Structural Analysis
3.7 Nonstructural Components
3.8 Isolation and Energy-Dissipation
3.9 Materials and Construction
3.10 Performance-Based Design of Buildings
3.11 Seismic Response Observation System of Buildings
Chapter 4 Site, Base and Foundation
4.1 Site
4.2 Natural Base and Foundation
4.3 Liquefied Soil and Soft Soil Bases
4.4 Pile Foundations
Chapter 5 Earthquake Action and Seismic Checking for Structures
5.1 General
5.2 Calculation of Horizontal Earthquake Action
5.3 Calculation of Vertical Earthquake Action
5.4 Section Seismic Check
5.5 Seismic Deformation Check
Chapter 6 Multi-storey and Tall Reinforced Concrete Buildings
6.1 General
6.2 Essentials in Calculation
6.3 Details of Seismic Design for Frame Structures
6.4 Details of Seismic Design for Seismic Wall Structures
6.5 Details of Seismic Design for Frame-seismic Wall Structures
6.6 Requirements for Seismic Design of Slab-column-seismic Wall Structures
6.7 Requirements for Seismic Design of Tube Structures
Chapter 7 Multi-storey Masonry Buildings and Multi-storey Masonry Buildings with R.C. Frames on Ground Floors
7.1 General
7.2 Essentials in Calculation
7.3 Details of Seismic Design of Multi-storey Brick Buildings
7.4 Details of Seismic Design of Multi-storey Concrete Block Buildings
7.5 Details of Seismic Design of Multi-storey Masonry Buildings with R.C. Frames on Ground Floors
Chapter 8 Multi-Storey and Tall Steel Buildings
8.1 General
8.2 Essentials in Calculation
8.3 Details for Steel Frame Structures
8.4 Details of Seismic Design of Steel Frame-concentrically-supported Structures
8.5 Details for Seismic Design of Steel Frame-eccentrically-supported Structures
Chapter 9 Single-storey Factory Buildings
9.1 Single-storey Factory Buildings with R.C. Columns
9.2 Single-storey Steel Factory Buildings
9.3 Single-storey Factory Buildings with Brick Columns
Chapter 10 Large-span Buildings
10.1 Single-storey Spacious Buildings
10.2 Large-span Roof Buildings
Chapter 11 Earth, Wood and Stone Houses
11.1 General
11.2 Unfired Earth Houses
11.3 Wood Houses
11.4 Stone Houses
Chapter 12 Seismically Isolated and Energy-Dissipated Buildings
12.1 General
12.2 Essentials in Design of Seismically Isolated Buildings
12.3 Essentials in Design of Energy-dissipated Buildings
Chapter 13 Nonstructural Components
13.1 General
13.2 Essentials in Calculation
13.3 Essential Measures for Architectural Members
13.4 Essential Measures for Supports of Mechanical and Electrical Components
Chapter 14 Subterranean Buildings
14.1 General
14.2 Essentials in Calculation
14.3 Details and Anti-Liquefaction Measures
Appendix A The Seismic Precautionary Intensity, Design Basic Acceleration of Ground Motion and Design Earthquake Groups of Main Cities in China
Appendix B Requirements for Seismic Design of High Strength Concrete Structures
Appendix C Requirements for Seismic Design of Prestressed Concrete Structures
Appendix D Section Seismic Check for the Beam-column Joint Core Zone of Frames
Appendix E Requirements for Seismic Design of the Transfer Storey Structures
Appendix F Requirements for Seismic Design of Small Armored Concrete Hollow Block Buildings with Seismic Wall
Appendix G Requirements for Seismic Design of Buildings with Steel Support-Concrete Frame Structures and Steel Frame-Armored Concrete Core Tube Structures
Appendix H Requirements for Seismic Design of Multi-storey Factory Buildings
Appendix J Earthquake Action Effect Adjustment for Transverse Plane Bent Frame of Single-storey Factory Buildings
Appendix K Seismic Check for Single-storey Factory Buildings in Longitudinal Direction
Appendix L Simplified Calculation of Seismic Isolation Design and Seismic Isolation Measures for Masonry Structures
Appendix M Reference Methods for Achieving Performance-Based Seismic Design
Explanation of Wording in This Code
List of Quoted Standards
