Standard No.:	JG/T 10-2009
English Name:	Bolted spherical node of space grid structures
Chinese Name:	钢网架螺栓球节点
Professional Classification:	JG    Professional Standard - Building
Source Content Issued by:	MOHURD
Issued on:	2009-9-16
Implemented on:	2010-3-1
Status:	valid
Superseding:	JG 10-1999 Bolted joints of space grid structures
Target Language:	English
File Format:	PDF
Word Count:	6000 words
Translation Price(USD):	200.0
Delivery:	via email in 1 business day

1 Scope This standard specifies the terms and definitions, designation and specifications, requirements, test methods, inspection rules, acceptance, and marking, packaging, transportation and storage of bolted spherical node of space grid structures. This standard is applicable to the quality control for parts and components of bolted spherical nodes of grid and double-layer reticulated shell (curved grid) structures. 2 Normative references The following normative documents contain provisions which, through reference in this text, constitute provisions of this standard. For dated references, subsequent amendments to (excluding correction to), or revisions of, any of these publications do not apply. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the standards indicated below. For undated references, the latest edition of the normative document applies. GB/T 196 General purpose metric screw threads - Basic dimensions GB/T 197-2003 General purpose metric screw threads - Tolerances GB/T 222 Method of sampling steel for determination of chemical composition and permissible variations for product analysis GB/T 223 Methods for chemical analysis of iron, steel and alloy GB/T 228 Metallic materials - Tensile testing at ambient temperature GB/T 229 Metallic materials - Charpy pendulum impact test method GB/T 699 Quality carbon structure steel - Grades and technical requirements GB/T 700 Carbon structural steels GB/T 1591 High strength low alloy structural steels GB/T 2975 Steel and steel products - Location and preparation of samples and test pieces for mechanical testing GB/T 3077 Alloy structure steel - Technical requirements GB/T 3098.1 Mechanical properties of fasteners - Bolts, screws and studs GB/T 6728-2002 Cold formed steel hollow sections for general structure - Dimensions, shapes, weight and permissible deviations GB/T 8162 Seamless steel tubes for structural purposes GB/T 13793 Steel pipes with a longitudinal electric (resistance) weld GB/T 16939-1997 High strength bolts for joints of space grid structures GB 50205-2001 Code for acceptance of construction quality of steel structures JG/T 203 Method for ultrasonic testing and classification for steel structures   3 Terms and definitions For the purpose of this standard, the following terms and definitions apply. 3.1 bolted spherical node node consisting of bolt sphere, high strength bolt, mantle, fastening bolt, conic end with plate, as shown in Figure 1 3.2 bolt sphere part connecting each member by screwing in high strength bolts 3.3 high strength bolt connector used to connect a member and a bolt sphere

Foreword i 1 Scope 2 Normative references 3 Terms and definitions 4 Designation and specifications 5 Requirements 6 Test methods 7 Inspection rules 8 Acceptance 9 Marking, packaging, transportation and storage