Marshall Stability Test Apparatus

Name: Marshall Stability Test Apparatus
Brand: Sami Lab Tek
Price: 60000.0 INR
Availability: InStock

Price 60000.0 INR/ Unit

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MOQ : 1 Unit

Marshall Stability Test Apparatus Specification

Accessories Included
Specimen extraction tool, breaking head, cylindrical mould, base plate

Measuring Range
0 - 50 kN

Material of Construction
Mild steel with powder coating

Display Type
Analog

Applications
Bituminous pavement material testing

Plunger Diameter
50 mm

Specimen Mould Size
102 mm diameter x 64 mm height

About Marshall Stability Test Apparatus

A Marshall Stability Test Apparatus is a laboratory equipment used to determine the stability and flow value of bituminous (asphalt) mixtures. It evaluates the maximum load-carrying capacity and resistance to plastic deformation of compacted specimens, which is essential for designing durable road pavements.

This apparatus is widely used in highway engineering labs, construction companies, and quality control departments for mix design and performance analysis of asphalt materials.

Key Features

Motorized load frame with high load capacity (up to 50 kN)
Constant loading rate of 50.8 mm/min for accurate results
Equipped with flow measurement dial gauge
Robust mild steel construction with long service life
Safety cut-off switch and limit controls
Compatible with ASTM, AASHTO, and IS standards

Technical Specifications (Typical)

Load Capacity: 5000 kgf / 50 kN
Speed: 50.8 mm/min
Power Supply: 220230V, Single Phase
Temperature Condition: Test conducted at 60C
Specimen Size: Up to 100150 mm diameter
Automation Grade: Manual / Semi-Automatic / Digital

Working Principle

A compacted bitumen specimen is placed in the testing head and subjected to a gradually increasing load at a constant rate. The maximum load (stability) and deformation (flow value) are recorded. These values help determine the optimum binder content and strength of asphalt mix.

Main Components

Motorized Load Frame
Breaking Head Assembly
Compaction Moulds & Base Plates
Compaction Hammer & Pedestal
Flow Meter with Dial Gauge
Load Transfer Bar and Accessories

Applications

Bitumen and asphalt testing laboratories
Road and highway construction projects
Civil engineering colleges & research labs
Quality control of paving materials

Advantages

Ensures accurate mix design for road construction
Improves pavement strength and durability
Provides reliable and repeatable test results
Essential for quality assurance in asphalt works

Precision in Asphalt Testing

Engineered to meet industry standards, the Marshall Stability Test Apparatus is pivotal for evaluating the load-bearing capacity of bituminous mixes used in pavement construction. Its robust mild steel construction coupled with a powder-coated finish ensures reliable performance and long service life, making it an indispensable tool for material testing laboratories.

User-Friendly Operation and Accessories

Equipped with an intuitive analog display and a set of essential accessories, including a specimen extraction tool, breaking head, cylindrical mould, and base plate, the apparatus streamlines the testing process. Its straightforward setup and operation allow for efficient laboratory workflows and accurate results every time.

FAQ's of Marshall Stability Test Apparatus:

Q: How is the Marshall Stability Test Apparatus used in pavement material testing?

A: The apparatus is used to determine the stability and flow values of bituminous samples. A prepared specimen is placed in the cylindrical mould, loaded with a plunger until failure, and the maximum load (stability) is recorded on the analog display.

Q: What are the primary components and materials of construction for this apparatus?

A: The apparatus is constructed from mild steel with a powder-coated finish for enhanced durability and corrosion resistance. Key components include a 102 mm diameter by 64 mm height specimen mould, 50 mm diameter plunger, and an analog force display.

Q: When should the Marshall Stability Test Apparatus be used during pavement design?

A: This apparatus is typically employed during laboratory mix design or quality control phases to assess the performance of bituminous mixes before their application in road construction projects.

Q: Where is this apparatus most commonly utilized?

A: It is widely used in civil engineering testing laboratories, research institutions, and by road construction companies for evaluating bituminous pavement materials.

Q: What is the process for testing with this apparatus?

A: A compacted bituminous sample is placed in the breaking head and subjected to a steadily increasing load via the plunger. The stability and deformation (flow) at failure are measured and used to analyze the efficacy of the pavement design.

Q: What are the main benefits of using this test apparatus?

A: The main benefits include precise measurement of pavement material properties, improved quality assurance in mix designs, enhanced durability of road surfaces, and increased confidence in pavement performance.

Q: Which accessories are included to assist in the testing process?

A: The standard package includes a specimen extraction tool, breaking head, cylindrical mould, and base plate to facilitate accurate and efficient testing procedures.

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