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RACKBOLT AXIAL FORCE METER
GB-ǠL-Ǡ (Twist bolt), GBD-ǠL-Ǡ (Deformed bars)
 
This is mainly a measuring rock bolt for the mortar filled type rock bolt, and by installing it in place of pattern bolts, axial force distribution may be grasped. By combining that with data on inner convergency displacement meter and mult-point extensometer, the reasonableness of the design pattern, pitch and length, etc., of the rock bolt may be judged.
GB-ǠL-Ǡ
 
[Specifications]
Model
GB-ǠL-Ǡ GBD-ǠL-Ǡ
Rock bolt type
Twist bolt
Deformed bars
Length
3, 4, 5, 6m
Number of measuring points
3 - 6 measuring points
Cable
V24-5(0.5mm2 24 core, polyvinyl sheath)

Polarity: (+) output indicates tension, (-) output indicates compression.
Various bolt lengths or numbers of measuring points are available upon request.

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