The unit consists of an aluminum cast body, and a lever with the loading ratio of 1:10. Loading yoke has self aligned bearing for proper transfer of load on the specimen. Beam is fitted with counter balance weight while the body has a screw jack, for jerk less loading on the specimen through the beam. Horizontal clearance has been so maintained with the help of consolidation testing machine that the unit accommodates cells with specimen up to 100mm diameter.
Test is performed as per IS:2720 (Part-XV).
It comprises:
Loading Unit 20 kg/cm² capacity -1 No.
Consolidation cell 60mm x 20mm height -1 No.
Dial gauge 5 x 0.002mm -1 No.
Set of Weights (Stress – up to 10kg/cm²) -1 Set
It is same as HS18.30 except that the unit have 3 loading machines instead of one. The unit comprises:
Loading Unit 20 kg/cm² capacity – 3 No.
Consolidation cell 60mm x 20mm height – 3 No.
Dial gauge 5 x 0.002mm – 3 No.
Set of Weights (Stress – up to 10kg/cm²) – 3 Sets
Same as HS18.30 except that the data is displayed and acquired on electronic unit. Test is performed as per IS:2720 (Part-XV). The unit comprises:
Loading Unit capacity 20kg/cm²
Consolidation cell – 1No.
60mm x 20mm height – 1No.
Displacement sensors 10 x 0.001 mm – 1No.
Set of Weights upto 10kg/cm² – 1Set
Digital display with RS232 and one L.V.D.T. of ± 10 mm – 1No.
Same as HS18.35 except that the data is displayed and acquired in the digital electronic system. Unit conforms to IS:2720 (Part-XV). It comprises of :
Loading Unit capacity 20kg/cm² – 3No.
Consolidation cell 60mm x 20mm height – 3No.
Displacement sensors ±10 mm x 0.001mm – 3No.
Digital display unit – 1No.
Set of Weights (Stress – up to 10kg/cm²) – 3 Set
Electronic Data Acquisition System For The Consolidation Test Equipment
Electronics units have a micro processor controlled digital display. In case of single channel only one channel is displayed and for multiple channels readings in direct engineering units are displayed as programmed through keyboard. Time recording is on vt basis where as consolidation is measured directly in mm.
Electronic Touch Panel Display Unit
The Three-channel micro controller based signal conditioning and touch panel display unit is attached to the Single/ Three-Gang Bench Type Consolidation Test Equipment. The deformation is measured by LVDT’s and is directly indicated in its respective engineering unit. The system receives the output signal from the displacement sensors attached to the three-gang bench type consolidation test equipment. The data of all three channels from three-gang bench type consolidation test equipment can be viewed and transferred to computer through RS-232/ Ethernet on square root time basis and can be online monitored also. Also, data for a completed single channel can be retrieved from data acquisition system while other channels are still working.
The Unit also provides the facility of online monitoring of data of single/ three channels on Touch panel based display.
Touch panel is provided to perform various operations such as TARE, PROGRAMMING, START, STOP etc.
Broadly the following facilities are incorporated in the system:-
Sensors Specification:-
1. Linear Variable Differential Transformer (LVDT) Type:-
Software Specification
The software is windows based and user friendly. It has following features:-
Note : Computer does not form part of the supply.
Automatic Digital oedometer/consolidation testing system and consolidation testing equipment conforming to IS 2720 Pt (XV)n& BS 1377, is suitable to conduct incremental consolidation test and swell tests through standalone touch screen graphic display and embedded data acquisition system or computer software. It is totally automatic system where loading and unloading is controlled and maintained by rotation of micro stepper motor or pneumatic actuator eliminating hanging of dead weight arrangement used in conventional consolidation apparatus. The system is operated and follows the user defined stress pattern/ increments given by the user for loading and unloading pattern without further intervention by operator and is maintained on feed back basis by signal received from the load cell.
Unit comprises of :
Loading Frame – 20kN capacity – 1 No.
Consolidation cell 60mm x 20mm ht – 1 No.
Dedicated Computer – 1 No.
Displacement Sensor ±10 x 0.001mm – 1 No.
Load cell capacity 20kN – 1 No.
Control Software is the integral part of the system for precise controlling & Data Acquisition and reporting of test results.
Salient Features
Analysis Software
Dedicated Computer with Controlling and Data Acquisition Card.
(Note – Computer with latest configuration will be supplied)
Heico’s Hydraulic Consolidometers are available for conducting consolidation tests on smaller to larger sized soil specimens under saturated condition with the application of back pressure. A check on the degree of saturation can be performed. The pore pressure dissipation during consolidation can be measured under various simulated drainage conditions namely, one-way, two-way, radial in-wards or radial outwards. The consolidation pressure can be applied through a flexible diaphragm to simulate field consolidation under uniform pressure or under uniform deformation. Deformations volume changes and pressures are measured with a great degree of precision. The hydraulic Consolidometer provided by the consolidation testing instruments manufacturer opens up a vast research potential of theoretical and applied nature on offshore and onshore soft to stiffer clays.
Consolidation Cell
Heico hydraulic consolidation cells come in different models for small to large diameters of samples. Since the loading is through pneumatics, drainage can be precisely controlled.
Various methods of drainage and loading conditions can be applied to the specimen. Basically cells of three different sizes are available. Each type can with stand a pressure of 10 bars. No-volume change valves are fixed at top plate, bottom plate and in the middle for different combination of test requirements.
HS28.118 Pneumatic Control Panel complete with air compressor The unit have precision pressure regulators for controlling confining pressure, back pressure. Capacity: 10.5 kg/sq cm.
HL102.05 AIR COMPRESSORS, 10 Kg/sq.cm.
It is a single stage compressor fitted over an air receiver. ON-OFF switch. pressure gauge and pressure outlet valve are provided as standard. Suitable for operation on 220 volt 50 Hz, single phase supply.
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