Aggregate Testing Equipment

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The aggregate crushing value (ACV) provides relative measure of the resistance of an aggregate to crushing under a gradually applied compressive load. Two versions available: 150 (standard) and 75 mm dia. The apparatus comprehend cylinder, plunger, base plate, tamping rod and measure.

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The Aggregate Impact Apparatus is a laboratory equipment used to determine the aggregate impact value (AIV) of coarse aggregates as per the British Standard BS 812: Part 112. It measures the toughness and resistance of aggregates to sudden impact or shock loads, which can occur during transportation or under traffic loads. The test helps assess the suitability of aggregates for road construction and pavement applications.

The Aggregate Impact Apparatus typically includes the following components:

1. Cylindrical Steel Cup: It is a steel cup with a cylindrical shape, used to hold the aggregate sample during the impact test. The cup is fixed to the base of the apparatus.

2. Metal Base Plate: A sturdy metal base plate provides a stable support for the apparatus during the test. It ensures that the impact force is applied uniformly to the aggregate sample.

3. Hammer: A hammer with a cylindrical steel head weighing between 13.5 to 14.0 kg is used to deliver the impact force to the aggregate sample. The height of the fall is typically 380 to 400 mm.

4. Tamping Rod: A metal rod with a rounded tip and a diameter of 16 mm is used to compact the aggregate sample within the cylindrical cup.

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The Dorry Abrasion Testing Machine is a laboratory apparatus used to determine the abrasion resistance of aggregates, particularly coarse aggregates used in road construction and pavement applications. It assesses the ability of the aggregates to withstand wear and degradation caused by rubbing and grinding action during transportation or under traffic loads. The test is performed according to the British Standard BS 812: Part 3.

The Dorry Abrasion Testing Machine typically consists of the following components:

1. Cylindrical Drum: The drum is made of a cylindrical steel container with an internal diameter of about 700 mm and a length of about 500 mm. It is horizontally mounted and rotates about its axis.

2. Loading Hopper: The hopper is located at the top of the drum and is used to introduce the aggregate sample into the testing apparatus. It ensures a controlled and consistent feed of the sample into the rotating drum.

3. Revolution Counter: A counter is provided to measure the number of drum revolutions during the test. It helps track the duration and intensity of abrasion.

4. Steel Balls: Steel balls with a specified diameter (usually 48-50 mm) and weight (typically 390-445 g) are added to the drum. These balls serve as the abrasive material and aid in the abrasion process.

The procedure for co

Approx. Rs 60,000 / PieceGet Latest Price

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The Deval Attrition Tester is a laboratory apparatus used to determine the abrasion resistance and durability of aggregate samples, typically used in the construction industry for road and pavement materials. The test measures the ability of the aggregate to withstand wear and degradation caused by repetitive impact and abrasion. The Deval Attrition Tester follows the ASTM (American Society for Testing and Materials) standard D6928 or the similar AASHTO (American Association of State Highway and Transportation Officials) T 327.