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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Above that strength, level neoprene caps will require qualification testing. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. 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.

Combining values from c131 two systems may result in non-conformance with the standard.

Referenced Documents purchase separately The documents listed awtm are referenced within the subject standard x1231 are not provided as part of the standard. 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. The safety precautions given in the Manual of Aggregate and Concrete Testing are recommended. 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.

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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. Link to Active This link will always route to the aetm Active version of the standard.

Above that strength, level neoprene caps will require qualification testing. Warning— Concrete specimens tested with unbonded caps rupture more violently than comparable specimens tested with bonded caps.

For a specific hazard statement, see Note 4.

ASTM C1231

Active view current version of standard. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.

Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength. Link to Active This link will always route to the current Active version of the standard. Active view current version of standard. 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 violently than comparable cylinders tested with bonded caps. Historical Version s – view previous versions of standard.

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Above that strength, level neoprene caps will require qualification testing. The safety precautions given in the Manual of Aggregate and Concrete Testing are recommended.

ASTM C, Test equipment Controls

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

Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength. Active view current version of standard Translated Standard: Qualification testing is required for all elastomeric materials other than neoprene regardless of the concrete strength.

SI units are shown in brackets.