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SAMPLE SPLITTER AZA0981
SAMPLE SPLITTER AZA0981
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Aggregate Impact Tester, AZA 0984, blow counter, impact value test, Azalab
AGGREGATE IMPACT TESTER WITH BLOW COUNTER AZA0983

AGGREGATE CRUSHING VALUE APPARATUS AZA0982

The AZA0982 Aggregate Crushing Value (ACV) Apparatus is a heavy-duty laboratory testing system used to determine the crushing strength of coarse aggregates. It is designed for standard compliance testing required in road construction, concrete production, and civil engineering quality control.

Manufactured with precision-machined components, this apparatus delivers consistent, accurate, and repeatable results in accordance with IS:2386 (Part IV) and BS 812 standards.

Key Features

  • Measures crushing strength of coarse aggregates
  • Conforms to IS:2386 (Part IV) and BS 812 standards
  • Precision-machined steel cylinder and plunger
  • Heavy-duty, corrosion-resistant construction
  • Supplied with complete accessories for immediate testing
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Description

Description

Purpose of Test

The Aggregate Crushing Value (ACV) test determines the resistance of aggregate material to crushing under gradually applied compressive load. This is critical to ensure that aggregates used in:

  • Road pavements

  • Airport runways

  • Concrete structures

  • Railway ballast

can withstand heavy traffic loads and environmental stress.

A lower ACV percentage indicates stronger, more durable aggregates.

Working Principle

A known weight of dry aggregate is placed into a steel cylindrical mold and compacted using a tamping rod. A plunger is then inserted, and the assembly is placed in a compression testing machine where a load (typically up to 40 tons) is applied.

After loading, the crushed material is sieved through a 2.36 mm sieve, and the percentage of fines is calculated using:

ACV (%) = (Weight of fines / Original sample weight) × 100

Included Components

  • Steel Cylinder (150 mm internal diameter × 130 mm height)

  • Precision Steel Plunger (148 mm diameter)

  • Rigid Base Plate

  • Standard Tamping Rod (16 mm Ø × 600 mm length)

  • Metal Measure

Note: Compression testing machine is supplied separately.

Applications

  • Highway and road material quality control

  • Concrete and construction aggregate testing

  • Railway ballast strength evaluation

  • Civil engineering research and teaching

  • Government and private testing laboratories

Technical Specifications

Parameter Details
Model No. AZA0982
Standard Compliance IS:2386 (Part IV), BS 812
Cylinder Size 150 mm ID × 130 mm Height
Plunger Diameter 148 mm
Base Plate Heavy-duty cast iron
Material Powder-coated mild steel
Accessories Plunger, tamping rod, metal measure
Approx. Weight 30–40 kg

FAQ

Q1: What is the purpose of this apparatus?
It is used to determine the crushing strength of aggregates under compressive load.

Q2: Does this include the compression testing machine?
No, the compression testing machine is supplied separately.

Q3: What is an acceptable ACV value for road construction?
An ACV value below 30% is typically preferred for high-load road surfaces.

Q4: Can it be transported to site?
Yes, it is robust yet portable enough for site laboratory use.

Q5: Which standards does it comply with?
It complies with IS:2386 (Part IV) and BS 812 standards.

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