Field Shear Box for 300 x 300 x 100mm specimen
The instrument is used for finding out the shear strength of rock specimen at predetermined angle. It consists of two blocks which, with suitable adopters, can accept specimens ranging from ‘EX’ to ‘NX’ size, with diameter to length ratio of 1:1. The shearing angle can be adjusted at 30o, 35o, 40o, 45o and 50o. It can be used in compression testing machine with day light clearance of approximately 400 mm.
Equipment comprises the following:-
i) Set of specimen holders.
ii) Bottom and top plates.
iii) Rollers 15 Nos