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Rock Testing Machines
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IL - 601
Brazilian Test Apparatus : IS: 10082
The instrument is designed to test specimens from
50 mm dia to 100 mm dia having thickness equal to half the diameter. A pair
of loading jaws, designed so as to contact a disc shaped sample at
diametrically opposed surfaces over an arc of contact of about 10 degrees at
failure, is supplied. The set of jaws supplied with the equipment is
designed for 50 mm dia specimen and therefore it is essential to order jaws
for respective sizes, if other diameter samples are to be tested. A set of
plain platens are provided with the jack which enable testing of cube and
circular specimens up to 50 mm size for compressive strength. The outfit
consists of:
 |
| IL - 601001 |
Loading Frame, fitted with hand operated
Hydraulic Loading Jack of 200 KN capacity provided with
self-retracting Piston, pair of Plane Platens |
| IL - 601002 |
Pair of Semi-Circular Jaws, for 50 mm dia samples |
| IL - 601003 |
Load Gauge, 0 - 200 kN x 2 kN capacity, provided
with maximum Load Indicator |
| IL - 601004 |
Pair of Jaws, for 60 mm dia samples |
| IL - 601005 |
Pair of Jaws, for 70 mm dia samples |
| IL - 601006 |
Pair of Jaws, for 80 mm dia samples |
| IL - 601006 |
Pair of Jaws, for 90 mm dia samples |
| IL - 601007 |
Pair of Jaws, for 100 mm dia samples |
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IL - 602
Constant Pressure System :
This is a Dead-Weight type constant pressure system.
This system consists of an oil pump, continuously driven by an electric
motor to provide the required pressure to the Triaxial Cell chamber.
Capacity: 160 bar (160 kg/cm2)
IL - 603
Core Cutting and Grinding Machine Features :
- Table Mounted
- Stable Construction
- Feed arrangement for cutting
- Cooling water arrangement
- Heavy Duty, AC, Single Phase Motor
This unit is designed for cutting and grinding cylindrical rock specimen's
upto NX size. The outfit includes 200 mm dia diamond impregnated cutter, a
fine diamond,impregnated grinding wheel a water supply system and sample
holder.
A V-Vice, to enable the sample upto 55 mm dia x 140
mm long to be cut parallel and square to the longitudinal axis is provided.
Reversing the specimen and holding against the vice can prepare cores longer
than 140 mm. A hand feed arrangement is provided to facilitate the specimen
with a uniform and smooth feeding motion. This unit is operated on single
phase, 2 HP, AC motor.
IL-604
Core Drilling Machine
Heavy duty, pillar type frame with continuous
rated 2 HP, single phase, AC motor Varying cutting feeds provided with
water-fed swivel head to connect tosuitable water supply. Provision at base
for water collection/drainage Core preparation from regularand irregular
samples Core size : EX to NX Clamping arrangement to hold specimens with
regular/irregularshapes to the base of machine Four cutting speeds of 600,
800, 1100 and 1500 rpm
Following Core Bits are available as options :
|
| IL - 604001 |
Core Drilling Bit, 21.46 mm dia (EX size) |
| IL - 604002 |
Core Drilling Bit, 30.10 mm dia (AX size) |
| IL - 604003 |
Core Drilling Bit, 38 mm dia |
| IL - 604004 |
Core Drilling Bit, 42.04 mm dia (BX size) |
| IL - 604005 |
Core Drilling Bit, 54.74 mm dia (NX size) |
|
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In - Situ Stress
For measuring in-situ rock stress close to the
surface of excavation. The method consists of cutting a slot, thereby
relieving the stresses perpendicular to the slot, resulting in the
deformation of the slot, which is measured. Flat Jack is then embedded in
the slot and grouted. Hydraulic Pressure is applied through the flat jack
until the displacements, which took place on slot cutting, are reduced and
finally cancelled. By measuring the cancellation pressure in two mutually
perpendicular directions, the in-situ stress close to the rock surface can
be assessed approximately.
IL - 605 Flat Jack Outfit :
The equipment comprises the following :
|
| IL- 605001 |
Flat Jack, 30 cm x 30 cm |
| IL - 605002 |
Hydraulic Pump, hand operated, with 15 cm dial
Pressure Gauge of 70 kg/cm2 capacity with flexible Pressure Pipe of
1 m length |
| IL - 605003 |
Deformeter, consisting of a Dial Gauge having 10
mm travel and 0.002 mm least count, and two interchangeable Stems
for 150 mm and 250 mm gauge length 1 Set |
| IL - 605004 |
Standard Bar |
| IL - 605005 |
Reference Pins |
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Note : Flat Jacks of other different capacities
also be manufactured on request.
