Page 30 - HIGHWAY ENGINEERING LABORATORY_FLIP BUILDER

4.0 DETAILED PROCEDURE : ELONGATION INDEX TEST

REFERENCE
WORK PROCESS
DOCUMENT

EQUIPMENT SET UP:

Seive Flakines Gauge Weighing Balance
a) A metal plate approximately 0.0625 inches thick with slotted
openings conforming to the design and dimensions shown in Figure
1.
b) Balance - with a minimum capacity of 2000g, a readability and
sensitivity of 0.1g and an accuracy of 0.1g or 0.1%.
c) Oven - Capable of maintaining a temperature of 110 ± 5 °C (230 ± 9
°F).
d) Sieves size: 50 mm, 40 mm, 31.5 mm, 25 mm, 20 mm, 16 mm, 12.5
mm, 10 mm, 6.3 mm.

SAMPLE

Use the material retained on any of the following sieves: 37.5mm, 28mm,
20mm, 14mm, 10mm, 6.3mm sieve and has been placed into separate
containers.
Aggregates retained on each sieve which comprises at least 5 percent
of the total sample, shall be tested.

INSTRUCTION
Sieve an aggregate amount of 2 kg using the BS Standard sieves

Carry out a sieve analysis using the sieves shown in Table 9.

Table 3.2: Dimensions of thickness and length

Higway Engineering Laboratory page 17