Skip to main content

BESMAK

AUTOMATIC SOIL COMPACTOR – BSO-207

The Automatic Soil Compactor is designed for automatic compaction of Proctor and CBR specimens with highly uniform and repeatable results. Complying with ASTM, BS and EN standards, the machine supports both 101.6 mm and 152.4 mm molds, making it ideal for geotechnical and soil testing laboratories.

Standards:

  • BS 1377:4
  • ASTM D558
  • D560
  • D698
  • D1557
  • AASHTO T99
  • T134
  • T135
  • T136
  • T180
  • EN 13286-2
  • EN 13286-47
Category:

Automatic Soil Compactor for Proctor and CBR Testing

The Automatic Soil Compactor is designed to prepare Proctor and CBR specimens with consistent compaction energy and exceptional repeatability. Its programmable compaction system automatically applies the required number of hammer blows in accordance with international testing standards, ensuring accurate and reliable specimen preparation.

The machine supports both light and heavy compaction methods and is compatible with 101.6 mm (4 in) and 152.4 mm (6 in) molds. An interchangeable hammer mechanism enables laboratories to perform ASTM, BS, and EN Proctor tests using a single machine, increasing efficiency and reducing equipment requirements.


Key Features

  • Automatic compaction for Proctor and CBR specimen preparation
  • Uniform and repeatable compaction results
  • Suitable for ASTM, BS, and EN testing methods
  • Programmable number of hammer blows
  • User-friendly digital control panel
  • Interchangeable hammer mechanism
  • Compatible with 101.6 mm (4 in) and 152.4 mm (6 in) molds
  • Automatic stop after the programmed number of blows
  • Heavy-duty laboratory construction
  • High testing accuracy and repeatability
  • Reliable and easy operation
  • Ideal for high-volume soil testing laboratories

Standards

  • BS 1377-4
  • ASTM D558
  • ASTM D560
  • ASTM D698
  • ASTM D1557
  • AASHTO T99
  • AASHTO T180
  • EN 13286-2
  • EN 13286-47
  • ASTM D1883 (CBR Specimen Preparation)

Technical Specifications

Specification Value
Weight 113 kg
Dimensions 335 × 510 × 1505 mm
Power Supply 220 V, 50 Hz

Available Models

Product Code Product Name
BSO-207/ASTM Automatic Soil Compactor – ASTM
BSO-207/BS Automatic Soil Compactor – BS
BSO-207/1 Standard Proctor Rammer for Automatic Soil Compactor
BSO-207/2 Automatic Soil Compactor Sound Cabinet

Automatic Compaction System

The Automatic Soil Compactor features an interchangeable hammer mechanism and a programmable digital controller that automatically performs the specified number of hammer blows. The system supports both light and heavy compaction procedures using 101.6 mm (4 in) or 152.4 mm (6 in) molds.

Hammer drop heights and blow counts are automatically controlled to ensure full compliance with the selected testing standard while providing highly consistent compaction energy for every specimen.


Proctor and CBR Specimen Preparation

The Automatic Soil Compactor produces highly consistent specimens for a wide range of geotechnical applications, including:

  • Standard Proctor Test
  • Modified Proctor Test
  • California Bearing Ratio (CBR) Test
  • Soil Compaction Testing
  • Geotechnical Laboratory Testing

Its automated compaction process minimizes operator influence, improves repeatability, and increases laboratory productivity while ensuring reliable test results.


Applications

The Automatic Soil Compactor is suitable for:


Why Choose the BESMAK Automatic Soil Compactor?

The BESMAK Automatic Soil Compactor delivers accurate and repeatable compaction results through programmable automation, precision control, and robust mechanical construction. Its compatibility with multiple international testing standards, interchangeable hammer configurations, and support for different mold sizes make it an efficient solution for modern geotechnical laboratories performing Proctor, CBR, and soil compaction testing.


Frequently Asked Questions

What is an Automatic Soil Compactor?

An Automatic Soil Compactor is laboratory equipment designed to prepare Proctor and CBR specimens by automatically applying controlled and repeatable hammer blows, ensuring consistent specimen density and accurate testing results.

Which tests can be performed?

The Automatic Soil Compactor is suitable for:

  • Standard Proctor Test
  • Modified Proctor Test
  • CBR Specimen Preparation
  • Soil Compaction Tests

Which standards does the Automatic Soil Compactor comply with?

The machine complies with the following international standards:

  • BS 1377-4
  • ASTM D558
  • ASTM D560
  • ASTM D698
  • ASTM D1557
  • AASHTO T99
  • AASHTO T180
  • EN 13286-2
  • EN 13286-47
  • ASTM D1883 (CBR Specimen Preparation)

Which mold sizes are supported?

The Automatic Soil Compactor supports both:

  • 101.6 mm (4 in) molds
  • 152.4 mm (6 in) molds

Is the number of hammer blows programmable?

Yes. The digital controller allows the operator to program the required number of hammer blows according to the selected testing standard, ensuring consistent and repeatable specimen preparation.

Where is the Automatic Soil Compactor commonly used?

The Automatic Soil Compactor is widely used in geotechnical laboratories, soil testing laboratories, road construction projects, airport engineering, railway engineering, universities, research institutes, and construction materials quality control laboratories for reliable Proctor and CBR specimen preparation.