This standard is issued under the fixed designation C ; the number immediately 1 This test method is under the jurisdiction of ASTM Committee C09 on. ASTM C/CM: Standard Test Method for Determining Age at Cracking and Induced Tensile Stress Characteristics of Mortar and Concrete under. Buy ASTM C TEST METHOD FOR DETERMINING AGE AT CRACKING AND INDUCED TENSILE STRESS CHARACTERISTICS.

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The procedure can be used to determine the ashm of variations in the proportions and material properties of mortar or concrete on cracking due to both drying shrinkage and deformations caused by autogenous shrinkage and heat of hydration. These variations can include, but are not limited to, aggregate source, aggregate gradation, cement type, cement content, water content, supplementary cementing materials, or chemical admixtures.

Are We There Yet? The procedure can be used to determine the effects of variations in the proportions and material properties of mortar or concrete on cracking due to both drying shrinkage and deformations caused by autogenous shrinkage and heat of hydration. The logger has a network interface Ethernet.

Data Logger – Order Code: Powered by CMSimple Template: So you can easily integrate it into local intranet. Combining values from the two systems may result in non-conformance with the standard. Serial digital SMB bus interface to the data logger Asmt Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain.

Shrinkage Ring – Measuring the Restrained Shrinkage | Qualitest

No special PC software is necessary. Base made of PP. Warning —Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. Inner diameter mm, height mm. Please download it here! For more information about Shrinkage Ring – Measuring the Restrained Shrinkageplease call us at 1.

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Bolts, nuts and washers for fixing the rings on the ground plate. A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring. Other sizes on request.

Steel ring strain vs. Network interface and built in WEB-Server, software pre-installed. ASTM Shrinkage ring made of steel with 4 strain gages.

Shrinkage Ring – Measuring the Restrained Shrinkage

The procedure can be used to determine the effects of variations in the proportions and material properties of mortar or concrete on cracking due to both drying shrinkage and deformations caused by autogenous cc1581 and heat of hydration. This test method covers the laboratory determination of the age at cracking and induced tensile stress characteristics of mortar or concrete specimens under restrained shrinkage.

Data logger with an interface for up to 5 rings S A data-logger supplied with the system records strain gage data and stores it in the logger as standard ASCII files.

Link to Active This link will always route to the current Active version of the standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Request a Quote Request Services. Optional a synchronous registration of temperature and humidity of a balance is possible.

Schleibinger Testing Systems – ASTM-Shrinkage Ring

Network interface and built in C15881, software pre-installed. October 18, Historical Version s – view previous versions of standard. The specimen is cracking after 6. Work Item s – proposed revisions of this standard.

ASTM C This test method covers the laboratory determination of the age at cracking and induced tensile stress characteristics of mortar astk concrete specimens under restrained shrinkage. No special PC software is necessary. A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.

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So you can easily integrate it into local intranet.

Schleibinger Testing Systems

The age at cracking and the rate of tensile stress development in the test specimen are indicators of the materials resistance to cracking under restrained shrinkage cited from the standard. Thickness 13 mm, outer diameter mm, height mm, weight Outer ring made of stainless steel.

Strain gage amplifier, thermocouple type K input and digitizing unit, mounted inside the inner ring. The data are visualized online graphical and numerical on the screen. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use.

Actual cracking tendency in service depends on many variables including type of structure, degree of restraint, rate of property development, construction and curing methods, and environmental conditions.

Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain. Measurement Principle A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring. This test method covers the laboratory determination of the age at cracking and induced tensile stress characteristics of mortar or concrete specimens under restrained shrinkage.

The compressive strain developed in the steel ring caused by shrinkage of the mortar or concrete specimen is measured with 4 strain gages from the time of casting. With standard web-browser software you can readout the data and visualize it. Ring for covering the specimen.