ASTM C869 PDF

More C The function of this specification is to provide the means for evaluating the performance of a specific foaming agent. The test batch shall conform to the physical requirements prescribed such as density, compressive strength, tensile splitting strength, water absorption and air loss during pumping. The foaming agent being tested shall be used in making test specimens required. This abstract is a brief summary of the referenced standard. It is informational only and not an official part of the standard; the full text of the standard itself must be referred to for its use and application.

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Faemuro So you can easily integrate it into local intranet. Optional a synchronous registration of temperature and humidity of a balance is possible. 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. 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.

Ring for covering the specimen. 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. Work Item s — proposed revisions of this standard. With a standard web-browser software you can readout the data v visualize it. Two temperature channels and a mixed temperature-humidity channel are available. October 18, 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 cc and heat of hydration.

ASTM Shrinkage ring made of steel with 4 strain gages. Network interface and built in WEB-Server, software pre-installed. Data logger with an interface for up to 5 rings S 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. A sample of freshly mixed mortar or concrete is compacted in astj circular mold around an c steel ring.

Schleibinger Testing Systems Measurement Principle A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring.

Link to Active This link will always route to the current Active version of the standard. The data of up c 5 rings are digitally transferred to the data-logger.

No special PC software is necessary. 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. Warning —Fresh hydraulic cementitious mixtures are caustic and may cause chemical burns to skin and tissue upon prolonged exposure.

Base made of PP. Serial digital SMB bus interface to the data logger S 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. The specimen is cracking after 6. Schleibinger Testing Systems — ASTM-Shrinkage Ring Referenced Documents purchase separately The documents listed below aatm referenced within the subject standard but are not provided as part of the standard.

Cracking of the test specimen is indicated by a sudden decrease in the steel ring strain. Please download it here! Steel ring strain vs. 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.

Are We There Yet? The data are visualized online graphical and numerical on the screen. Inner diameter mm, height mm. 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. The logger has a network interface Ethernet. Other sizes on request. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

A sample of freshly mixed mortar or concrete is compacted in a circular mold around an instrumented steel ring. Combining values from the two systems may result c non-conformance with the standard. With standard web-browser software you can readout the data and visualize it.

Bolts, nuts and washers for fixing the rings on the ground plate. Strain gage amplifier, thermocouple type K input and digitizing unit, mounted inside the inner ring. Most Related.

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ASTM C869 PDF

Faemuro So you can easily integrate it into local intranet. Optional a synchronous registration of temperature and humidity of a balance is possible. 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. 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.

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Nikogor This is accomplished by using the foaming agent in making a standard cellular concrete test batch see Test Method C from which test cc are cast. The test batch shall conform to the physical requirements prescribed such as density, compressive strength, tensile splitting strength, water absorption and air loss during pumping. Astmm me for one month. This specification covers foaming agents specifically formulated for making preformed foam for use in the production of cellular concrete. Historical Version s — view previous versions of standard.

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ASTM C869 PDF

Sharr Then, significant properties of the concrete are determined by tests and compared with the requirements of Section 3. Please login to your authorized staff account to use this feature. Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Land Use and Development. The test batch shall conform to c89 physical requirements prescribed such as density, compressive strength, tensile splitting strength, water absorption and air loss during pumping. Abstract This specification covers foaming agents specifically formulated for making preformed foam for use in the production of cellular concrete.

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Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. ASTM-C, — This is accomplished by using the foaming agent in making a standard cellular concrete test batch see Test Method C from which test specimens are satm. The function of this specification is to provide the means for evaluating the performance of a specific foaming agent. Land Use and Development. Historical Version s — view previous versions of standard. Click here to download full list of books. Enter your account email address to request a password reset: Xstm you sure you want to empty the cart?

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