MT/T 1061-2008 Fiber-glass reinforced plastics bar of bolt and accessories
1 Scope
This standard specifies the product classification, technical requirements, test methods, inspection rules, marking, packaging, transportation, and storage of fiber-glass reinforced plastics bar of bolt and accessories.
This standard is applicable to fiber-glass reinforced plastics bar of bolt (hereinafter referred to as "bolt bar") and accessories, which are used for roof and rib support in coal mine roadways.
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 (excluding corrections) to, or revisions of, any of these publications do not apply to this standard. However, parties to agreements based on this standard are encouraged to investigate the possibility of applying the most recent editions of the normative documents indicated below. For undated references, the latest edition of the normative document referred to applies.
GB/T 2829-2002 Sampling procedures and tables for periodic inspection by attributes (Apply to inspection of process stability)
GB/T 10111-1998 Methods for random sampling by utilizing dices of random number
GB 16413-1996 Test of glass fiber reinforced plastic product safety property for coal mining
MT 146.1-2002 Resin anchor bolts - Capsules
MT 146.2-2002 Resin anchor bolts - Steel bars and accessories
3 Terms and definitions
For the purposes of this standard, the terms and definitions given in MT 146.1-2002 and the following apply.
3.1
fiber-glass reinforced plastics bar of bolt
a resin anchor bolt bar made of a composite of glass fibers and resin
4 Product classification
4.1 Classification
4.1.1 The bolt bars are classified into three types based on their appearance: Twisted bolt bar (M), fully threaded bolt bar (L), and rough-surfaced bolt bar (C).
4.1.1.1 The twisted bolt bar features a left-hand twisted anchor head at the end. Its structure is shown in Figure 1.
Foreword I
1 Scope
2 Normative references
3 Terms and definitions
4 Product classification
5 Technical requirements
6 Test methods
7 Inspection rules
8 Marking, packaging, transportation and storage
Annex A (Informative) Loading system of anchor bolt torque test stand
Annex B (Normative) Test for antistatic property of fiber-glass reinforced plastics bar of bolt
