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High Torsion GFRP Rock bolt
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High Torsion GFRP Rock bolt

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Compared with steel rock bolt, the low torque is the major cause of limit GFRP rock bolt to used widely,our company developed the high torsion of GFRP rockbolt by improving the structure and optimizing material structure, overcome the shortcomings of low torque of traditional FRP rock bolt, can be prestressed by torque to improve the stability of the supporting structure.

 

Classification

Type no.

Diameter (mm)

Bolt ultimate load (KN)

Thread ultimate load (kN)

Cross-sectional (mm2)

Ultimate

tensile strength

(MPa)

Elastic Modulus

(GPa)

Torsion

(Nm)

Ultimate

shear strength

(MPa)

Steel parts

GFRP

Ordinary high torque anchor rod

F61-18

18

140

/

50

214

650

≥40

60

≥150

F61-20

20

175

/

60

269

650

85

F61-22

22

220

/

60

330

650

100

F61-23

23

250

/

70

363

650

120

F61-25

25

300

/

70

434

650

150

Enhanced high torque rock bolt

F63-22

22

200

/

90

330

600

300

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Jiangsu Fiber Composite Co., Ltd. 

Tel:+86 -025-86798609

MP:+86-139-0518-7818

Web:www.jsfiberwell.com   

Mail:alex@jsfiberwell.com

P.C.:224700  

Add: No.888 High-tech Hydraulic Technology Park, Center Road,

Jianhu, Yancheng, Jiangsu, P.R.C.

Jiangsu Fiber Composite Co., Ltd.  Nanjing Branch

Tel: +86 -025-86798609

MP +86-139-0518-7818

Web:www.jsfiberwell.com   

Mail:alex@jsfiberwell.com

P.C.:210012  

Add: Room G-712, Zendai Himalaya Centre, No 10 Minzhi Rd, Nanjing, Jiangsu, P.R.C.

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