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Flakiness Gauge or Thickness Gauge VSLIC-A100

short info

Flakiness Gauge or Thickness Gauge has a slotted stainless steel gauge for rapid hand trying of particles from the seven sieve fractions to determine the flakiness index.

Standard

IS: 2386 (Part 1)

Model

VSLIC-A100

Origin

Indian

Make/ OEM

VERTEX

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  • DESCRIPTION

  • SPECIFICATIONS

  • FEATURES

  • VIDEO
  •  New
    WORKING PRINCIPAL

OVERVIEW

Used to determine the percentage of particles in a coarse aggregate material that have a thickness (smallest dimension) of less than one-half of the nominal size. Particle is flakiness when its thickness (smallest dimension) is less than 0.6 of the mid size of the sieve fraction.

Significance & Use:
Aggregates which are flakiness and/or elongated will often lower the workability of a concrete mix and may also affect long term durability. In bituminous mixtures, flaky aggregate makes for a harsh mix and may also crack and break up during compaction by rolling.

Construction Details:
1. It consists of a CRC Sheet frame with M.S. sliding panel.
2. The panel has slots, which are accurately cut, in standard different length and width.
3. Gauge has seven labelled slots for rapid hand trying of particles from each of the seven sieve cuts.
4. Having following Normal Aperture size as per India Standard : 63, 50, 40, 31.5, 25, 20, 16, 12.5, 10, 6.3 mm


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SPECIFICATIONS

Compliance with following International Standards: IS : 2386 (PART-1) – (1963)

Used to determine the percentage of particles in a coarse aggregate material that have a thickness (smallest dimension) of less than one-half of the nominal size. Particle is flaky when its thickness (smallest dimension) is less than 0.6 of the mid size of the sieve fraction.

Significance & Use:
Aggregates which are flaky and/or elongated will often lower the workability of a concrete mix and may also affect long term durability. In bituminous mixtures, flaky aggregate makes for a harsh mix and may also crack and break up during compaction by rolling.

Construction Details:
1. It consists of a CRC Sheet frame with M.S. sliding panel.
2. The panel has slots, which are accurately cut, in standard different length and width.
3. Gauge has seven labelled slots for rapid hand trying of particles from each of the seven sieve cuts.
4. Having following Normal Aperture size as per India Standard : 63, 50, 40, 31.5, 25, 20, 16, 12.5, 10, 6.3 mm

FEATURES

Compliance with following International Standards: IS : 2386 (PART-1) – (1963)

Used to determine the percentage of particles in a coarse aggregate material that have a thickness (smallest dimension) of less than one-half of the nominal size. Particle is flaky when its thickness (smallest dimension) is less than 0.6 of the mid size of the sieve fraction.

Significance & Use:
Aggregates which are flaky and/or elongated will often lower the workability of a concrete mix and may also affect long term durability. In bituminous mixtures, flaky aggregate makes for a harsh mix and may also crack and break up during compaction by rolling.

Construction Details:
1. It consists of a CRC Sheet frame with M.S. sliding panel.
2. The panel has slots, which are accurately cut, in standard different length and width.
3. Gauge has seven labelled slots for rapid hand trying of particles from each of the seven sieve cuts.
4. Having following Normal Aperture size as per India Standard : 63, 50, 40, 31.5, 25, 20, 16, 12.5, 10, 6.3 mm

PRODUCT VIDEO

WORKING PRINCIPALNew

Flakiness Index and Elongation Index Test of Aggregate

 

Significance of Flakiness Index and Elongation Index Test of Aggregate

The test Flakiness index of aggregate is used to determine the particle shape of the aggregate specimen and each particle shape being preferred under specific condition.

The Significances of Flakiness and Elongation Index of Aggregate are Following:-

  1. The degree of packing of the aggregate particles of one size depends upon their shape.
  2. Due to high surface area to volume ratio, the flaky and elongated aggregate particles lower the workability of concrete mixes.
  3. For cement concrete types and base coarse construction and bituminous-construction, the presentence of flaky and elongated aggregate particles are considered undesirable as they may cause inherent weakness with possibility of breaking down under heavy loads.
  4. According to BS-1241, a flakiness index should not exceed 30% irrespective of the aggregate size.
  5. Maximum permitted elongated index is 35%, 40% or 45% for aggregate size 21/2” – 2”, 11/2” – ¾” and 1/2” – ⅜”.
  6. Both Flakiness index Elongation Index tests are not applicable to the materials of sizes smaller than 6.3 mm i.e. ¼” sieve.

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