• High tensile fully threaded bars available in steel grade 500/550 to 1080/1230
  • Design and manufactured in compliance with : ASTM A 722, BS4486 JIS G 3109 or equivalent for grade 835/630 & 930/1080 ; ASTM A615 or equivalent for grade 555/700
  • Special steel grade available upon request
  • Elongation up to 15 to 18%
  • Diameter range 15mm to 63.5 mm
  • Continuous hot rolled thread
  • Available with either left hand or right hand threads
  • Fibreglass rockbolts and soilnails available from diameter 22 to 32 mm
  • Design team available for engineering support
  • Easier handling and smaller bore hole diameter thanks to high steel grade
  • Continuous thread makes connection possible at any point
  • Coarse thread and surface hardening allow rough handling
  • Not sensitive to dirt thanks to oval bar section
  • Pre-stressing applicable
  • Coping with large rock displacement possible thanks to high elongation
  • Full range of accessories for specific applications


Nominal
diameter
(mm)
 Cross-
section area
(mm2)		 Linear weight
(kg/m) 		Grade 555/700 Grade 670/800 Grade 835/1030 Grade 930/1080
Yield load
(kN)		 Ultimate load
(kN) 		Yield load
(kN)		 Ultimate load
(kN) 		Yield load
(kN)		 Ultimate load
(kN) 		Yield load
(kN)		 Ultimate load
(kN)
15 177 1.44 N.A. N.A. 148 182 164 191
20 314 2.56 N.A. N.A. 262 324 292 339
22 375 2.94 N.A. 251 300 N.A. N.A.
25 491 3.85 272 344 329 390 N.A. N.A.
26.5 552 4.48 N.A. N.A. 461 568 513 596
28 616 4.83 342 431 413 490 N.A. N.A.
30 707 5.55 N.A. 474 565 N.A. N.A.
32 804 6.53 446 563 N.A. 672 828 748 869
36 1,018 8.27 N.A. N.A. 850 1,048 947 1,099
40 1,257 9.87 697 880 N.A. N.A. N.A.
50 1,963 15.40 1,090 1,374 N.A. 1,640 2,202 1,826 2,121
63.5 3,167 24.86 1,758 2,217 N.A. N.A. N.A.

  • Slope stabilization
  • Tunnelling
  • Excavation tie anchoring
  • Tension piles
  • Deep excavation foundations under uplift forces
  • Structure subject to compression and tension cycles
  • Structures under fluctuating water level
  • Structural repairing
  • Mining

Our systems of corrosion protection are based on BS 8081 to ensure that during economic life the probability of unacceptable corrosion occurring is small. Single protection is achieved by cement grout. Double protection is achieved by cement grout and plastics sheaths or tendon coating.
 
Container Terminal 9, Hong Kong
Yantian International Container Terminals, China

Further Information is available from the downloads section :
  • Product Brochure
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