Standards: EN 13286-47; BS 1377:4; ASTM D1883; AASHTO T193; NF P94-078; UNI CNR 10009
Specification: The automatic CBR test machine is designed for performing laboratory evaluation of the CBR value of highway subbases and sub-grade, and determination of the strength of cohesive materials which have maximum particle sizes less than 19 mm (3/4”). This CBR apparatus is composed of a robust and compact two column frame with adjustable upper crossbeam driven by an electro-mechanical ram with a maximum capacity of 50 kn and a data acquisition and processing system.
The machine is designed to load the penetration piston into the soil sample at a constant rate to measure the applied load and piston penetration at predetermined intervals. The ram speed can be set between 0.5 mm/min to 5 mm/min by using the digital readout unit. This main feature allows the user to perform tests complying to BS, EN, ASTM or AASHTO standards with the same machine. Rapid adjustment of the platen is also provided by up and down buttons which are located on the front panel of the machine. The machine is supplied complete with a 50 kN load cell, penetration piston, linear potentiometric displacement transducer (25 mm x 0.001 mm), computer software and connection cable. PC is optional.
The CBR test machine is supplied complete with:
Dimensions : 480 x 650 x 1150 mm
Weight (approx.) : 110 Kg
Power : 370 W
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