ASTM C1231 PDF

This standard is issued under the fixed designation C /C M; the 1 This practice is under the jurisdiction of ASTM Committee C09 on Concrete. Use of Unbonded Caps in Determination of Compressive Strength of Hardened Concrete Cylinders. All the Controls products ASTM C standard. Enter now!.

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The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 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. Link to Active This link will always route to the current Active version of the standard. Link to Active This link will always route to the current Active version of the standard.

For a specific hazard statement, see Note 4.

ASTM C Standard

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Historical Version s – view previous versions of standard. Warning— Concrete specimens tested with unbonded caps rupture more violently than comparable specimens tested with bonded caps. Combining values from the two systems may result in non-conformance with the standard.

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Unbonded neoprene caps of a defined hardness are permitted to be used for testing for a specified maximum number of reuses without qualification testing up to a certain concrete compressive strength level.

Above that strength, level neoprene caps will require qualification testing. 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. Unbonded neoprene caps of a defined hardness are permitted to be used for testing for a specified maximum number of reuses without qualification testing up to a certain concrete compressive strength level.

Above that strength, level neoprene caps will require qualification testing. Above that strength, level neoprene caps will require qualification testing.

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. Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength.

Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Link to Active This link will always route to the current Active version of the standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

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Unbonded neoprene caps of a defined hardness are permitted to be used for testing for a specified maximum number of reuses without qualification testing up to a certain concrete compressive strength level. Active view current version of standard. Active view current version of standard Translated Standard: Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength.

Active view current version of standard.

SI units are shown in brackets. The safety precautions given in the Manual of Aggregate and Concrete Testing are recommended.

ASTM C1231

That values stated in each system may not be exact equivalents; therefore, each system must be used independently of the other, without combining the values in any way.

Warning —Concrete cylinders tested with unbonded caps rupture more atsm than comparable cylinders tested with bonded caps.

Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength. The safety precautions given in the Manual of Aggregate and Concrete Atm are recommended.