Technical Specification for Post-installed Fastenings in Concrete Structures_2011_英文版.doc

Industry Technical Specification of the People’s Republic of China Technical Specification for Post-installed Fastenings in Concrete Structures JGJ145－2012 2012 Beijing Contents 1 General 2 Terminology and symbols 3 Materials Concrete base material Anchors Adhesive material of bonded anchors 4 Basis of design 4.1 Type and operating principles 4.2 Design and safety concept 5 Static analysis General Tension loads acting on anchor group Shear loads acting on anchor group 6 Ultimate limit state Resistance to tension loads Resistance to shear loads Resistance to combined tension and shear loads 7 Anti-seismic design 8 Structural requirements 9 Installation and acceptance General Drilling hole Installation and fastening Inspection and acceptance of installation Annex A Testing method on site General This standard is compiled for post-installed anchoring technology ensuring reliable, safe and economical designs, construction and operation. This standard applies to the use of post-installed anchoring system in normal weight concrete. It does not cover anchorage to masonry and lightweight/gas concrete. Anchor design should be based on application (structural elements or non-structural elements), load (tension, compression, moment, shear or combined tension and compression), action and safety level (important or normal), etc. The design, installation and acceptance of post-installed anchoring systems should comply with this standard and relevant mandatory requirement of current national codes. In general, this standard is intended to address assessment and design of adhesive anchoring systems where anchor theory applies (see Fig. below). It is not intended to address the assessment and design of post-installed reinforcing bars proportioned according to the concept of reinforcement development (see Fig. below). Reinforcement designed according to anchor theory (covered in this standard). Reinforcement designed according to rebar theory (not covered in this standard)