Compressive Strength of Concrete Cylinder (Urdu & Hindi) Part-3

Compressive Strength of Concrete Cylinder [Urdu/Hindi] Part-3
ASTM C39/AASHTO T22

*Scope*
This test method covers determination of compressive
strength of cylindrical concrete specimens such as molded
cylinders and drilled cores. It is limited to concrete having a
density in excess of 800 kg/m3 [50 lb/ft3].
The program requires a working knowledge of the following ASTM test methods and practices.

Referenced Documents.
• C31/C31M Practice for Making and Curing Concrete Test
Specimens in the Field
• C42/C42M Test Method for Obtaining and Testing Drilled
Cores and Sawed Beams of Concrete
• C192/C192M Practice for Making and Curing Concrete
Test Specimens in the Laboratory
• C617 Practice for Capping Cylindrical Concrete Specimens
• C670 Practice for Preparing Precision and Bias Statements
for Test Methods for Construction Materials
• C873 Test Method for Compressive Strength of Concrete
Cylinders Cast in Place in Cylindrical Molds
• C1077 Practice for Laboratories Testing Concrete and
Concrete Aggregates for Use in Construction and Criteria for
Laboratory Evaluation
• C1231/C1231M Practice for Use of Unbonded Caps in
Determination of Compressive Strength of Hardened Concrete
Cylinders
• E4 Practices for Force Verification of Testing Machines
• E74 Practice of Calibration of Force-Measuring Instruments
for Verifying the Force Indication of Testing Machines.

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