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A129 ROCK SHEAR BOX APPARATUS

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STANDARDS: ASTM D5607* | ISRM
Used to determine the strength and slope stability of rock size max
115×125 mm or cores max. diameter 102 mm, both in the field and
in the laboratory.
Complete with two horizontal rams for shear in two directions, vertical
loading ram, two bourdon tube load gauges diameter 150 mm with
quick release couplings, calibrated 50 kN x 1 kN division, two hand
pumps with hydraulic connections and dial gauge 25×0.01 mm.
Dimensions: 600x250x460 mm
Weight: 46 kg approx.

ACCESSORY
A129-03*
SET OF 4 DIAL GAUGES 10 mm stroke x 0.002 mm division, complete
with supports for vertical displacement measure, conforming to
ASTM D5607 Standard.

A131
ROCK SHEAR BOX APPARATUS
CYBER-PLUS 8 EVOLUTION ACQUISITION SYSTEM
STANDARDS: ASTM D5607* | ISRM
Same mechanical design as basic model A129, but equipped with:
n° 2 Pressure transducers for load acquisition, connected to the
pumps.
n° 1 Linear displacement transducer for shear measurement.
C405-15N Cyber-Plus 8 Evolution “Touch-Screen” for data acquisition,
visualization, processing and storing, directly
connected to PC or printer.
Technical details: see p. 377
S224-21N Software for test data processing.
Weight: 50 kg approx.

ACCESSORY
A131-01*
SET OF 4 LINEAR DISPLACEMENT TRANSDUCERS, complete with
supports, for vertical displacement measure, conforming to ASTM
D5607 Standard.
ACCESSORIES for A129 and A131
A129-01 MOULD FORMER, to prepare the specimen in the
dimensions and geometry as requested by the shear
box.
A129-02 PRESSURE MAINTAINER, complete with pump, to
absorb volume changes of the specimen and to allow a
constant load to be maintained during the test.
A129-04 BRITISH GYPSUM CRYSTACAL PLASTER, for casting
specimens into mould assembly, 25 kg bag.

 

 

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