Rock and Soil Anchor 2013
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Transcript of Rock and Soil Anchor 2013
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Rock and Soil Anchors
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Product features High tensile fully threaded bars available in steel grade
555/700, 835/1030 and 930/1080*N/mm.
Special steel grade available upon request.
Diameter range 25 mm to 63.5 mm.
Continuous hot rolled thread.
Minimum Elongation 7%.
Modulus of elasticity 205,000 N/mm.
Available with either left hand or right hand threads.
FRP & CRP composite rock bolts and soil nails are
available from diameter 22 to 32 mm
Designed and manufactured in compliance with . ANSI/AISC 360-05 , BS 5950, EN 1993 (Euro Code3), . and AS4100
Benefits High grade steel effectively reduces the diameter
of the bar allowing for easier handling and a smaller
bore hole.
Continuous thread makes connections possible at
any point and increases bonding.
Coarse thread and surface hardening allow for rough
handling.
Pre-stressing possible for grades 835 and above.
Rock and Soil Anchors
Corrosion protectionOur corrosion protection systems are
based on BS 8081. Single protection is
achieved by cement grout. Double
protection is achieved by cement grout and
plastic sheaths or tendon coating.
Typical applications Slope stabilization
Tunneling
Excavation tie anchoring
Tension piles
Structural repairing
Mining
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Note: Yield loads and ultimate loads are unfactored.
Fully Threaded Rock and Soil Anchors load table
AccessoriesAccessories
Fully Threaded Bars
Nominal diameter
Cross-section
area
Linear weight Grade 555/700 Grade 835/1030 Grade 930/1080*
mm mm kg/m Yield loadUltimate
load Yield loadUltimate
load Yield loadUltimate
load kN kN kN kN kN kN
25 491 3.85 273 344
26.5 551 4.48 460 568 512 595
32 804 6.53 446 563 671 828 748 868
36 1,019 8.27 851 1,050 948 1,101
40 1,257 9.87 699 882 1,050 1,295 1,169 1,358
50 1,963 15.4 1,089 1,374 1,639 2,022 1,826 2,120
63.5 3,167 24.86 1,758 2,217 * Subject to minimum order quantities
End caps
Nuts
Centralizer
Anchor plates
Active end Active end
Swivel nut Hex nut Round nut
Swivel plate Flat plate
Accessories
Coupler
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Some major references
Our network
www.dextragroup.com
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Sheraton Car Park, QatarAl Salam Street, U.A.E.
Ping Che Fresh Water Resevoir, Hong Kong
HEADQUARTERSTHAILAND
Dextra Manufacturing Co., Ltd. Tel: (66) 2 726 5731 Fax: (66) 2 328 0374
E-mail: [email protected]
NORTH AMERICADextra America Inc.
Tel: (1) 805 915 4734 / 818 261 5166 E-mail: [email protected]
MIDDLE EASTDextra Middle East FZE
Tel: (971) 4886 5620 Fax: (971) 4886 5621E-mail: [email protected]
CHINA & TAIWANDextra Building Products (Guangdong) Co., Ltd
Tel: (86) 20 2261 9901 Fax: (86) 20 2261 9902E-mail: [email protected]
HONG KONGDextra Pacific Ltd.
Tel: (852) 2845 7766 / 2511 8236 Fax:(852) 2586 1656 / 2519 0852
E-mail: [email protected]
INDIADextra India Pvt. Ltd.
Tel: (91) 22 2838 6294 / 22 2839 2694 Fax: (91) 22 2839 2674
E-mail: [email protected]
EUROPEDextra Europe Sarl.
Tel: (33) 1 45 53 70 82 Fax: (33) 1 47 04 28 97E-mail: [email protected]
SOUTH AMERICADextra do Brasil
Tel: (55) 11 5505 2475 Fax: (55) 11 5505 2475E-mail: [email protected]
LATIN AMERICADextra Latam
Tel: (507) 6454 8100 / (507) 831 1442E-mail: [email protected]
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