Unconfield Compression Test of Soil

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Unconfield Compression Test of Soil Specification

Power Source
Manual or Electrically Operated (varies by model)

Measurement Range
0-5 kN (expandable with different proving rings)

Automation Grade
Manual as Standard

Accuracy
100 %

Temperature Range
Ambient to 50C (approx.)

Model No
Standard UCT-01 / UCT-02

Frequency
50 Hz

Core Components
Loading Unit, Proving Ring, Dial Gauge, Sample Moulds

Feature
Highly Efficient

Capacity
Unspecified (refer manufacturer details)

Voltage
230V AC

Equipment Materials
Mild Steel & Stainless Steel Components

Type
Unconfined Compression Test Apparatus

Usage
Laboratory

Display Type
Analog Dial Gauge

Dimension (L*W*H)
400 x 250 x 750 mm (approx.)

Weight
Approx. 25-30 kg

About Unconfield Compression Test of Soil

Unconfield Compression Test of Soil

Specification of Unconfield Compression Test of Soil :

Digishear, direct/residual shear machine, digital control and display of speed. 110-240 V, 50-60 Hz. 1 ph comply with ASTM D3080 | AASHTO T236 | BS 1377:7 | CEN ISO/TS 17892-10 | NF P94-071.
Speed range: adjustable from 0.00001 to 9.99999 mm/min (preset via firmware).
Maximum shear force: 5000 N.
Maximum shear force: 500 N or 5000 N using 10:1 lever ratio Device.
Speed drive ratio: stepper motor 1/10000 resolution.
Horizontal travel: preset via firmware up to 20 mm.
Displacement limits: controlled by optical safety switch.
Digital display: LCD 4 row by 20 characters. Easy to operate with the membrane.

keyboard

Specimen sizes: 60 and 100 mm square, 50; 60; 63,5 and 100 mm dia.
Overall dimensions: 953x387x1180 mm.
Weight approx.: 120 kg.
Accessories to fit the machine in the electronic mode.
Load cell, 5 kN cap. complete with adapters.
Linear potentiometric transducer, 10 mm travel for vertical deformation, complete with mounting block.
Linear potentiometric transducer, 25 mm travel for horizontal displacement, complete with mounting block.
Transducer extension cable, 6 m length.
Transducer extension cable, 12 m length.

Geodatalog :

16 channels data acquisition unit, 110-240 V.
50-60 Hz, 1 ph, supplied complete with DATACOMM software.
Direct and residual shear Geo-Analysis template conforming to BS 1377:7, or as alternative.
Direct and residual shear Geo-Analysis template conforming to ASTM D3080.
The machine is to be supplied with shear box assembly, slotted steel weights and load/displacement measurement. apparatus (data acquisition and processing (load cell, displacement transducers and data acquisition system).

Shear box assembly:

Manufactured from brass and designed to contain the water that surrounds the specimen and conforming with ASTM D3080 | AASHTO T236 | BS 1377:7 | CEN-ISO/TS 17892-10 | NF P94-071.
Manufactured from brass and designed to contain the water that surrounds the specimen.
They consist of a square box with a rigid walled round or square hole complete with adapter loading pad, retaining. plate, 2 grids, 2 perforated grids and 2 porous plates.
Weight approx.: from 2.5 to 4 kg.
Shear box assembly for 60 mm square specimens.
Shear box assembly for 100 mm square specimens.
Shear box assembly for 50 mm dia. round specimens.
Shear box assembly for 60 mm dia. round specimens.
Shear box assembly for 63.5 mm dia. round specimens.
Shear box assembly for 100 mm dia. round specimens.
Supply Sample cutter and Extrusion dolly.
Slotted steel weights.
Manufactured from steel. Protected against corrosion.
Accurately calibrated assuring the specified tolerance.
Slotted steel weight 0.250 kg ±3 g.
Slotted steel weight 0.500 kg ±3 g.
Slotted steel weight 1 kg ±5 g.
Slotted steel weight 2 kg ±5 g.
Slotted steel weight 4 kg ±5 g.
Slotted steel weight 8 kg ±5 g.
Slotted steel weight 5 kg ±5 g.
Slotted steel weight 10 kg ±10 g.

Accurate and Versatile Soil Testing

Engineered for high-precision analysis, this apparatus allows the seamless determination of unconfined compressive and shear strength properties of soil samples. Its compatibility with various power sources, robust materials, and corrosion-resistant coating make it suitable for diverse laboratory conditions, ensuring consistent and reliable testing outcomes.

User-Friendly and Efficient Operation

With a manually adjustable loading rate and an analog dial gauge for straightforward reading, operation of the Unconfined Compression Test Apparatus is simple and efficient. Its ergonomic design, compact dimensions, and modular components allow smooth handling, making it ideal for both established and emerging laboratory settings.

Comprehensive and Durable Construction

Manufactured from high-grade mild steel and stainless steel, the apparatus offers durability and longevity. The well-thought-out construction, along with its replaceable and expandable proving rings, ensures it supports a wide measurement range and remains a reliable choice for soil testing laboratories in India and worldwide.

FAQs of Unconfield Compression Test of Soil:

Q: How does the Unconfined Compression Test Apparatus determine the strength of soil samples?

A: The apparatus subjects a cylindrical soil specimen (38 mm diameter x 76 mm height) to increasing axial compression without lateral support. The force required to cause failure is recorded using a proving ring and dial gauge, allowing precise calculation of shear and unconfined compressive strength.

Q: What types of laboratories commonly use this test equipment?

A: The Unconfined Compression Test Apparatus is ideal for geotechnical, civil engineering, and soil research laboratories. It is commonly used by academic institutions, construction companies, and quality control labs seeking reliable soil strength data.

Q: When should soil samples be tested with this apparatus?

A: Testing is recommended during site investigations, foundation design, earthwork planning, or whenever accurate assessment of soil shear and compressive strength is required for safety and compliance with engineering standards.

Q: Where do I install or place the Unconfined Compression Test Apparatus in a laboratory?

A: The apparatus should be positioned on a stable, level bench in a controlled laboratory environment. Its compact footprint (400 x 250 x 750 mm) allows convenient placement even in space-limited laboratories.

Q: What is the process of running a test using this apparatus?

A: A prepared soil sample is placed between the platens, and the loading unit applies axial force at a controlled rate (1.25 mm/min). The deformation and applied load are monitored until failure, from which the strength parameters are derived.

Q: What are the key benefits of using this unconfined compression test machine?

A: Benefits include high accuracy (100%), efficient manual operation, adaptability to both manual or electric power, corrosion resistance, and sturdy constructionproviding dependable results and long service life for rigorous laboratory use.

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