Test No. 4 "Specific Gravity and Absorption of Fine Aggregate" (ASTM C 127-88) I. Objectives: This test method covers the determin ation of Bulk and Apparent Specific Gravity and Absor ption of fine aggregste. Materials: 1 kg of sand is used using sample splitter. Apparatus: 1. A balance having capacity of 1 kg or more sensitive to 0.1 gm. 2. Pyenometer : A flask or other container into which the fine aggre- gate sample can be introduced. It is usually of 500 cm'capacity. 3. Mold: a metal mold in the form of a frus tum of a cone with dimensions as follows : 37 mm inside dia meter at the top, 90 mm inside diameter at the bottom and 15 mm in height. 4. Tamper: a metal mold in or tamper weighing 340t 15 gm and having a flat circular tamping face 25 mm in diameter. 5. Electrical oven. 6. A container suitable to submerge the sample with water.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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Please  answer the problem. You can summarize your answer. Thank you and Godbless.

  1. Comment on the results.
  2. Compare the results with the typical values.
  3. How can the percentage of absorption affect on a concrete mix?
V. Data and Results
Weight of oven-dry specimen in air (A) - 492 9
Weight of pychometer filled with water (B) 6729
Weight of saturated surface -dry specimen (S) 500g
Weight of pychometer with specimen and water to calibration(c)= 977g
1 Bulk Specific Gravity
492
492
Bulk sp. gr (8+S-c)
2.52 g
%3D
(672+ 500-977)
195
Bulk sp. gr. = 2.52 g
2. Apparent Specific Gravity
492
A
Apparent sp. gr. =
492
2.639
%3D
(B+ A-c)
(672 + 492-977
187
Apparent sp.gr 2. C3 g
3. Percentage of Absorption
Absorption-
[(S-A)T
x 100
( 500- 492)
x 100 = 1.63 °/,
492
Absorption= 1-63 %
Transcribed Image Text:V. Data and Results Weight of oven-dry specimen in air (A) - 492 9 Weight of pychometer filled with water (B) 6729 Weight of saturated surface -dry specimen (S) 500g Weight of pychometer with specimen and water to calibration(c)= 977g 1 Bulk Specific Gravity 492 492 Bulk sp. gr (8+S-c) 2.52 g %3D (672+ 500-977) 195 Bulk sp. gr. = 2.52 g 2. Apparent Specific Gravity 492 A Apparent sp. gr. = 492 2.639 %3D (B+ A-c) (672 + 492-977 187 Apparent sp.gr 2. C3 g 3. Percentage of Absorption Absorption- [(S-A)T x 100 ( 500- 492) x 100 = 1.63 °/, 492 Absorption= 1-63 %
Test No. 4
"Specific Gravity and Absorption of Fine Aggregate"
(ASTM C 127- 88)
I. Objectives:
This test method covers the determin ation of Bulk and
Apparent Specific Gravity and Absor ption of fine aggregete.
Materials:
1 kg of sand is used using sample splitter.
Apparatus:
1. A balance having capacity of 1 kg
2. Pyenometer : A flask or other container into which the fine
more sen sitive to 0.1 gm.
aggre-
gate sample can be introduced. It is usually of 500 cm' capacity.
3. Mold: a metal mold in the form of a frus tum of a cone with
dimens ions as follows : 37 mm inside dia meter at the top, 90 mm
inside diame ter at the bottom and 15 mm in height.
4. Tamper: a metal mold in or tamper weighing 340t 15 gm and
having a flat circular tamping face 25 mm in diameter.
5. Electrical oven.
6. A container suitable to submerge the sample with water.
Transcribed Image Text:Test No. 4 "Specific Gravity and Absorption of Fine Aggregate" (ASTM C 127- 88) I. Objectives: This test method covers the determin ation of Bulk and Apparent Specific Gravity and Absor ption of fine aggregete. Materials: 1 kg of sand is used using sample splitter. Apparatus: 1. A balance having capacity of 1 kg 2. Pyenometer : A flask or other container into which the fine more sen sitive to 0.1 gm. aggre- gate sample can be introduced. It is usually of 500 cm' capacity. 3. Mold: a metal mold in the form of a frus tum of a cone with dimens ions as follows : 37 mm inside dia meter at the top, 90 mm inside diame ter at the bottom and 15 mm in height. 4. Tamper: a metal mold in or tamper weighing 340t 15 gm and having a flat circular tamping face 25 mm in diameter. 5. Electrical oven. 6. A container suitable to submerge the sample with water.
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