The Gyratory Compactor is designed to simulate and reproduce the compaction conditions achieved during actual road paving operations. It enables laboratories to determine the compaction properties of asphalt mixtures by preparing specimens under controlled and repeatable laboratory conditions.

The machine combines programmable compaction parameters, a digital control system, and real-time data recording to ensure accurate and reliable asphalt specimen preparation for quality control, research, and pavement engineering applications.

Gyratory Compactor for Asphalt Compaction

The Gyratory Compactor reproduces the compaction process experienced by asphalt materials during road construction.

Its programmable angle of gyration, adjustable compression pressure, and precise digital control system allow laboratories to produce asphalt specimens that closely represent field compaction conditions. The system provides highly repeatable results for asphalt mix design, quality control, and research applications.

Key Features of the Gyratory Compactor

• Robust electro-mechanical drive system with a rigid test chamber
• Suitable for 100 ± 0.1 mm and 150 ± 0.25 mm diameter specimens
• Adjustable compression pressure from 200 to 1000 kPa
• Gyration speed of 30 ± 0.5 rpm
• Digital control unit with an intuitive user interface
• Test parameter setting and calibration functions
• Programmable angle of gyration
• Operation with internal or external gyration angle
• Real-time display of test parameters
• Automatic data recording during compaction
• Network-compatible system
• USB data port for data transfer
• Built-in specimen extruder

Standards

• EN 12697-31
• AASHTO T312
• ASTM D6925

Technical Specifications

• Specimen Diameter: 100 ± 0.1 mm and 150 ± 0.25 mm
• Compression Pressure: 200–1000 kPa
• Gyration Speed: 30 ± 0.5 rpm
• Angle of Gyration: Programmable
• Gyration Angle Operation: Internal or External
• Control System: Digital Control Unit
• Data Transfer: USB Data Port
• Specimen Extruder: Built-in
• Weight: 250 kg

Digital Control and Data Recording

The Gyratory Compactor is equipped with a digital control unit featuring an intuitive menu for parameter setup, calibration, and test management.

During testing, the system continuously displays and records key parameters including gyration count, specimen height, gyration angle, and applied pressure. The machine is network compatible and includes a USB data port for convenient data transfer.

Test results can be saved directly to a USB memory device or printed using the optional printer kit.

Programmable Gyration Angle

The Gyratory Compactor features a fully programmable angle of gyration and supports operation with either an internal or external gyration angle.

This flexibility enables laboratories to optimize compaction conditions for different asphalt mixtures while complying with standardized testing procedures.

Built-in Specimen Extruder

The Gyratory Compactor includes an integrated specimen extruder that simplifies specimen removal after the compaction cycle.

The built-in system improves laboratory efficiency while reducing handling time and minimizing the risk of specimen damage.

Applications of the Gyratory Compactor

The Gyratory Compactor is suitable for:

• Asphalt testing laboratories
• Asphalt specimen preparation
• Asphalt compaction testing
• Hot mix asphalt (HMA) testing
• Road and pavement engineering laboratories
• Construction materials laboratories
• Quality control laboratories
• Research and development laboratories
• University laboratories

Why Choose a Gyratory Compactor?

The Gyratory Compactor provides a reliable and standardized method for reproducing field compaction conditions within the laboratory.

Its programmable gyration angle, adjustable compression pressure, digital control system, and real-time data recording capabilities ensure accurate and repeatable asphalt compaction testing.

Integrated USB data transfer, network compatibility, and a built-in specimen extruder further enhance laboratory productivity and testing efficiency.

Frequently Asked Questions About the Gyratory Compactor

What is a Gyratory Compactor?

A Gyratory Compactor is laboratory equipment used to simulate field compaction conditions and prepare asphalt specimens for evaluating compaction characteristics.

What is the Gyratory Compactor used for?

It is used to prepare compacted asphalt specimens and determine the compaction properties of asphalt mixtures for laboratory testing and mix design.

Which specimen sizes are supported?

The machine accommodates specimens with diameters of:

• 100 ± 0.1 mm
• 150 ± 0.25 mm

What is the compression pressure range?

The compression pressure is adjustable from 200 to 1000 kPa.

What is the gyration speed?

The Gyratory Compactor operates at a gyration speed of 30 ± 0.5 rpm.

Is the gyration angle programmable?

Yes. The gyration angle is fully programmable, and the machine can operate with either an internal or external gyration angle.

Can test data be stored?

Yes. The machine includes a USB data port that allows test results to be saved to a USB memory device. Data can also be printed using the optional printer kit.

Does the machine include a specimen extruder?

Yes. The Gyratory Compactor is equipped with a built-in specimen extruder for easy specimen removal after compaction.

Which standards does the Gyratory Compactor comply with?

The Gyratory Compactor is designed for applications in accordance with the following international standards:

• EN 12697-31
• AASHTO T312
• ASTM D6925