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Flakiness and Elongation

Flakiness Index Sieve SetFlakiness Index Sieve Set BS k

UTA-0410

When an aggregate particle has a thickness less than 0.6m of its mean sieve size, it is considered flaky. The aggregate to be classified is separated into seven sieve fractions from 6.3 to 63 mm and each fraction is examined separately. Each sieve is made from heavy gauge steel and is coated with electrostatic paint. The dimensions of each sieve comply with the relevant International Standard. The accuracy of the slot size is better than 0.1 mm. 

UTA-0410 Flakiness Index Sieve Set consists of 7 sieves.

For sample preparation 6.3, 10, 14, 20, 28, 37.5, 50 and 63 mm aperture sizes test sieves should be ordered separately.

Technical Specifications

Sieve 

  Slot Size (wxl)  

  Weight (approx.)  

Dimensions

 UTA-0411 

4.9x30 mm

1.5 kg

  300 x 220 x 80 mm  

 UTA-0412 

7.2x40 mm

1.6 kg

320 x 240 x 80 mm

 UTA-0413 

10.2x50 mm

1.9 kg

300 x 220 x 80 mm

 UTA-0414 

14.4x60 mm

2.0 kg

360 x 260 x 80 mm

 UTA-0415 

19.7x80 mm

2.2 kg

390 x 280 x 80 mm

UTA-0416

26.3x90 mm

2.6 kg

420 x 300 x 80 mm 

UTA-0417

33.9x100 mm

2.9 kg

470 x 320 x 80 mm

 

Grid Sieve SetGrid Sieve Set 1 k

UTA-0420

The Grid Sieve Set is used to determine the flakiness index of the aggregate.

All the sieves include an electrostatically painted frame and stainless steel bars with a 5 mm diameter.

For sample preparation 4.5, 6.3, 8, 10, 12.5, 16, 20, 25, 31.5, 40, 50, 63, 80 and 100 mm aperture sizes test sieves should be ordered separately.

Technical Specifications

Sieve

  Aperture  

  Weight   

Dimensions

  UTA-0421  

2.5 mm

3.3 kg

  340 x 320 x 80 mm  

UTA-0422

  3.15 mm  

  3.3 kg  

  340 x 320 x 80 mm  

UTA-0423

4 mm

3.8 kg

340 x 320 x 80 mm

UTA-0424

5 mm

3.8 kg

340 x 320 x 80 mm

UTA-0425

6.3 mm

3.7 kg

340 x 320 x 80 mm

UTA-0426

8 mm

3.6 kg

340 x 320 x 80 mm

UTA-0427

10 mm

3.4 kg

340 x 320 x 80 mm

UTA-0428

12.5 mm

3.2 kg

340 x 320 x 80 mm

UTA-0429

16 mm

4 kg

340 x 320 x 80 mm

UTA-0430

20 mm

3.2 kg

340 x 320 x 80 mm

UTA-0431

25 mm

3.2 kg

340 x 320 x 80 mm

UTA-0432

31.5 mm

2.9 kg

340 x 320 x 80 mm

UTA-0433

40 mm

2.7 kg

340 x 320 x 80 mm

UTA-0434

50 mm

2.5 kg

340 x 320 x 80 mm 

 

Length GaugeUTA-0450 Thickness Gauge Flakiness Index BS

UTA-0455

The Length Gauge (Elongation Index BS), is used to measure the elongation index of aggregates.  When the length of the particle is more than 1.8 of the midsize of the sieve fraction, it is considered elongated. The aggregate to be classified is separated into six sieve fractions from 6.3 to 50 mm and each fraction is examined separately.

 

Thickness GaugeUTA-0455 Length Gauge Elongation Index BS 2

UTA-0450

The Thickness Gauge is used to determine if the aggregate particles are to be considered as flaky, i.e. their thickness is less than 0.6 of their nominal size.

The aggregate to be classified is separated into seven sieve fractions from 6.3 to 63 mm, and each fraction is examined separately. Slot sizes are:

  • 4.9 x 30 mm
  • 7.2 x 40 mm
  • 10.2 x 50 mm
  • 14.4 x 60 mm
  • 19.7 x 80 mm
  • 26.3 x 90 mm
  • 33.9 x 100 mm

Additional Information

Flakiness & Elongation Brochure

VIC:

Stuart McCurdy

E: This email address is being protected from spambots. You need JavaScript enabled to view it.

M: 0428 315 502

 

Monica Simhadri

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M: 0488 331 244

QLD:

Michael Dubery

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T: (07) 3040 6166

M: 0419 477 715

NZ:

Jun Han Lee

T: +64 9 377 6778

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M: +64 274 738 758

WA:

(Head Office)

T: (08) 9322 4020

Derek Burns

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M: 0498 800 373

Reuben Barnes

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M: 0408 034 668

NSW:

William Ward

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T: (02) 9453 9999

M: 0418 381 709

Warehouse / Service Centre

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T: (02) 9453 9941

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