ASTM C1581 PDF

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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Historical Version s – view previous versions of standard. Measurement Principle A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.

Please download it here! Link to Active This link will always route to the current Active version of the standard. No special PC software is necessary.

Base made of PP. Powered by CMSimple Template: October 18, Optional a synchronous registration of temperature and humidity of a balance is possible. Combining values from the two systems may result in non-conformance with the standard. Outer ring made of stainless steel. 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.

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

For more information about Shrinkage Ring – Measuring the Restrained Shrinkageplease call us at 1. Steel ring strain vs. Strain gage amplifier, thermocouple type K input and digitizing unit, mounted inside the inner ring.

Request a Quote Request Services. The specimen is cracking after 6. Ring for covering the specimen. 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. A data-logger supplied with the system records strain gage data and stores it in the logger as standard ASCII files.

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With a standard web-browser software you can readout the data and visualize it. This test method covers the laboratory determination of the age at cracking and induced tensile stress characteristics asm mortar or concrete specimens under restrained shrinkage.

Shrinkage Ring – Measuring the Restrained Shrinkage

Bolts, nuts and washers for fixing the rings on the ground plate. The age at cracking and the rate of tensile stress development in the test specimen cc1581 indicators of the materials resistance to cracking under restrained shrinkage cited from the standard. These variations can include, but are not limited to, aggregate source, aggregate gradation, cement 1c581, cement content, water content, supplementary cementing materials, or chemical admixtures.

Thickness 13 mm, outer diameter mm, height mm, weight A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.

The data are visualized online graphical and numerical on the screen. 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 asstm.

Data Logger – Order Code: 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.

Warning —Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure. 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.

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Are We There Yet? Serial digital SMB bus interface to the data logger S Data logger with an interface for up to 5 rings S 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.

Two temperature channels and a mixed temperature-humidity channel are available. Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain. A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.

The logger has a network interface Ethernet. ASTM C 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.

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

Schleibinger Testing Systems – ASTM-Shrinkage Ring

Work Item s – proposed revisions of this standard. A data-logger supplied with the system records strain gage data and store it in the logger as standard ASCII files. So you can easily integrate it into local intranet. Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain. The logger has a network interface Ethernet.

The data of up to 5 rings are digitally transferred to the data-logger. No special PC software is necessary. Other sizes on request.

ASTM Shrinkage ring made of steel with 4 strain gages.