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 age at cracking and the rate of tensile stress development in the test specimen are indicators of the x1581 resistance to cracking under restrained shrinkage cited from the standard. 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.

Powered by CMSimple Template: 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.

Serial digital SMB bus interface to the data logger S Link to Active This link will always route to the current Active version asmt the standard.

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Shrinkage Ring – Measuring the Restrained Shrinkage

No special PC software is necessary. The procedure can be used to determine the effects of variations in the proportions and material astn of mortar or concrete on cracking due to both drying shrinkage and deformations caused by autogenous shrinkage and heat of hydration. The specimen is cracking after 6. Other sizes on request.

The logger has a network interface Ethernet. A data-logger supplied with the system records strain gage data and store it in the logger as standard ASCII files. Please download it here!

Shrinkage Ring – Measuring the Restrained Shrinkage | Qualitest

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.

With standard web-browser software you can readout the data and visualize it. 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.

Optional a synchronous registration of temperature and humidity of a balance is possible. The data are visualized online graphical and numerical on the screen. Two temperature channels and a mixed temperature-humidity channel are available. The data are visualized online graphical and numerical on the screen.

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Combining values from the two systems may result in non-conformance with the standard. For more information about Shrinkage Ring – Measuring the Restrained Shrinkageplease call us at 1.

Are We There Yet? With a standard web-browser software you can readout the data and visualize it. So you can easily integrate it into local intranet. ASTM Shrinkage ring made of steel with 4 strain gages. So you can easily integrate it into local intranet. A data-logger supplied with the system records strain gage data and stores it in the logger as standard ASCII files.

Inner diameter mm, height mm. No special PC software is necessary. Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain.

Schleibinger Testing Systems – ASTM-Shrinkage Ring

Network interface and built in WEB-Server, software pre-installed. Outer ring made of stainless steel. The logger has a network interface Ethernet. Measurement Principle A sample of asttm mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring. A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.