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QT Chec 12 (Elongation Index)

The document presents the results of an Elongation Index test conducted on aggregate samples according to BS 812 -105.2 standards. The test involved various sieve sizes, with a total weight of 7782.0 grams after discarding certain materials, resulting in a reported Elongation Index of 17%. The document includes sections for contractor, consultant, and employer details, along with signatures from the personnel involved in the testing process.

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14 views1 page

QT Chec 12 (Elongation Index)

The document presents the results of an Elongation Index test conducted on aggregate samples according to BS 812 -105.2 standards. The test involved various sieve sizes, with a total weight of 7782.0 grams after discarding certain materials, resulting in a reported Elongation Index of 17%. The document includes sections for contractor, consultant, and employer details, along with signatures from the personnel involved in the testing process.

Uploaded by

nhschandana22
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Project Name Q

QT-CHEC-12
CONTRACTOR CONSULTANT EMPLOYER

ELONGATION INDEX
BS 812 -105.2 1990/ (2000)

Sample No : Aggregate Size :

Sample Location : Test No(Ref to register) :


Date of Sampling : Date of Test :

Sieve Size (mm) Wt. Retained % Retained Calculate to M1

63.0 0.0 0.0


50.0 0.0 0.0
37.5 0.0 0.0
28.0 816.0 10.5
20.0 1535.0 19.7
14.0 1982.0 25.5
10.0 1765.0 22.7
6.3 1684.0 21.6
Total Wt. after discarding material Retained on 63.0 mm sieve
and passing 6.3 = M1 M1 =
7782.0

Fractions selected for Weight Wt. Retaining the Corrected


Wt. taken for Test (g)
testing (g) guage (g) Weight (g)

63.0 ~ 50.0
50.0 ~ 37.5
37.5 ~ 28.0 816.0 816.0 115.0 115.0
28.0 ~ 20.0 1535.0 1535.0 244.0 244.0
20.0 ~ 14.0 1982.0 1982.0 364.0 364.0
14.0 ~ 10.0 1765.0 1765.0 241.0 241.0
10.0 ~ 6.3 1684.0 1684.0 387.0 387.0
Total M2 = 7782.0 M3 = 1351.0

Total Passing the gauge = M3

Elongation Index (%) = M3


X 100
M2

Reported Elongation Index (%) = 17

Contractor Consultant

Tested By: Checked By: Approved By: Witnessed By: Approved By:
...............................
Name; .............................. .............................. ............................... ................................
QAM
Position; Material Technician ME / Material Technician Material Technician Material Engineer
...............................
Signature ............................... ............................... ................................ ................................
..............................
............................... ............................... .................................. ................................
Date

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