Marshall compactors are primarily used to prepare and compact asphalt samples for testing, specifically for Marshall stability and flow tests. They help ensure the density and stability of the asphalt mixture, crucial for road pavement quality control and performance. The apparatus uses a hammer and a mold to compact the asphalt sample under controlled conditions, allowing for consistent and standardized testing results.
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Purpose:
Marshall compactors are designed to create cylindrical asphalt specimens (4″ or 6″ diameter) for Marshall tests, which assess the durability and strength of asphalt pavements.
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Mechanism:
The compactor uses a hammer that drops a set weight from a specific height onto the asphalt sample within a mold, causing it to compact.
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Standardization:
The compaction process, including the weight, fall height, and number of blows, is standardized to ensure consistent results across different tests, says one source.
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Automatic vs. Manual:
Marshall compactors can be either manual or automatic. Manual compactors require the operator to lift and drop the hammer, while automatic compactors automate the process, often with a digital counter to control the number of blows, notes one source.
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Importance:
The compacted asphalt specimens are then subjected to Marshall tests, such as stability and flow tests, to determine the asphalt mixture’s ability to withstand traffic loads and environmental factors.
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Quality Control:The results of these tests help engineers ensure the quality and durability of asphalt pavements, contributing to the longevity and performance of roads.
Designed to provide a stable and rigid mechanism to be used for preparation of bituminous specimens for Marshall Stability tests.
Wooden pedestal manufactured in compliance with SANS standards with base connections to secure the machine to the floor. Tubular steel frame housing the driving mechanism of the compaction hammer.Steel base plate (compaction anvil for hammer, mould clamping system.
Marshall Compactors compact hot mix asphalt test specimens for Marshall stability and flow testing, density/void determinations, and specific gravity.
Wooden pedestal manufactured in compliance with SANS standards with base connections to secure the machine to the floor.
Steel base plate (compaction anvil for hammer); mould clamping system with quick couplings. Compaction Hammer of 4 540 g ± 10g raised to a height of 460 mm ± 3 mm and allowed to drop. Electric control panel with automatic blow counter for pre-setting of the required number of blows and automatic stop.
The compactor is capable of applying 60 blows/min ± 10 blows/min.
Safety protection made of steel complete with relevant micro-switches.
Includes wooden block and hammer.
Includes Verification Certificate for the wooden block.
Specifications:
Dimensions: +/- 400x400x1400 mm
Power: 230 V, 60 Hz, 1 ph
Weight: 80 kg
Click Below for Operating Manual: