SupAnchor Top strength Grouting Hollow Steel Anchor Bar


The SupAnchor Self-Drilling Anchor is a unique anchoring system and is today's
Answer to the increasing demands of the tunnelling industry and ground engineering for safer and faster production.
The system provides advantages for all areas of its applications, where boreholes would require the
Time consuming drilling with casing systems in unconsolidated or cohesive soil.

Features and Advantages
1\Fits SupAnchor standard Boomer, ROC and Mustang rigs.
2\ Particulary suitable for difficult ground conditions.
3\ A high rate of installation since drilling, placing and grouting can be performed in one single
Operation.
4\ Self drilling system eliminates the requirement for a cased borehole.
5\ Installation with simultaneous drilling and grouting possible.
6\ Easy installation in all directions, also upwards.
7\ Suitable for working in limited space, height and in areas of difficult access.
8\ Simple post grouting system.
9\Hot-dipped galvanizing for corrosion protection

Applications
Tunnelling Ground engineering
Radial bolting \ Slope stabilization\Forepoling\ Micro injection pile\Face stabilization \
Temporary support anchor\ Portal preparation \Soil nailing.
Specification R25N R32L R32N R32/18.5 R32S R32SS R38N R38/19 R51L R51N T76N T76S
Outside diameter (mm) 25 32 32 32 32 32 38 38 51 51 76 76
Internal diameter, average(mm) 14 22 21 18.5 17 15.5 21 19 36 33 52 45
External diameter, effective(mm) 22.5 29.1 29.1 29.1 29.1 29.1 35.7 35.7 47.8 47.8 71 71
Ultimate load capacity (kN) 200 260 280 280 360 405 500 500 550 800 1600 1900
Yield load capacity (kN) 150 200 230 230 280 350 400 400 450 630 1200 1500
Tensile strength, Rm(N/mm2) 800 800 800 800 800 800 800 800 800 800 800 800
Yield strength, Rp0, 2(N/mm2) 650 650 650 650 650 650 650 650 650 650 650 650
Weight (kg/m) 2.3 2.8 2.9 3.4 3.4 3.6 4.8 5.5 6.0 7.6 16.5 19.0
Thread type (left-hand ) ISO 10208 ISO 1720 MAI T76 standard
Steel grade EN 10083-1

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