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Showing posts with label CEMENT Concrete. Show all posts
Showing posts with label CEMENT Concrete. Show all posts

Monday, November 9, 2020

Standard Test Method for Temperature of Freshly Mixed Portland Cement Concrete

 

Scope

This test method covers the determination of temperature of freshly mixed Portland cement concrete.

The values stated in inch-pound or SI unit are to be regarded separately as standard. Within the text, SI unit are show in brackets. The values stated in each system are not exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

Referenced Documents

ASTM Standards:

C 172 Practice for Sampling Freshly Mixed Concrete

Significance and Use

This test method provides a means for measuring the temperature of freshly mixed concrete. It may be used to verify conformance to a specified requirement for temperature of concrete.

Concrete containing aggregate of a nominal maximum size greater than 3 in. [75 mm] may require up to 20 min for the transfer of heat from aggregate to mortar. (See ACI Committee 207. IR Report)   

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