Pull-out test of rock bolts: Analyzing the causes of failure
Bp rock bolts
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BP Composites Ltd. Booth 520916 The company's durable, threaded, composite rebar serves as a strong, lightweight alternative to conventional products. It is suitable for corrosive applications, bridges, tunneling, and mining. Complementing composite fasteners and accessories make it easy to anchor and post-tension. The rebar's length and thread positioning can be custom ordered to fit your needs. www.bpcomposites.com.
Transcript of Bp rock bolts
22mm GFRP ROCK BOLTSNominal Diameter 22 mm 0.875 in
Modulus of Elasticity 50 GPa 7250 ksi
Cross-Sectional Area 337 mm2 0.522 in2
Ultimate Tensile Stress 1064 MPa 154 ksi
Ultimate Tensile Strength 378 kN 84.9 kips
Threaded Tensile Stress 799 MPa 115 ksi
Threaded Tensile Strength 269 kN 60.5 kips
Transverse Shear Stress 181 MPa 26.3 ksi
Transverse Shear Strength 61 kN 13.7 kips
Bond Stress 14.0 MPa 2.0 ksi
Ultimate Elongation 1.95% 1.95%
Nominal Weight 0.63 kg/m 0.42 lbs/ft
4" CAP NUTStrength 120 kN 26.9 kips
Torque Limit 40 ft/lbs
4" FLAT NUTStrength 120 kN 26.9 kips
2" NUTStrength 55 kN 12.3 kips
