ASTM C1090 PDF

Measuring Changes in Height of Cylindrical Specimens of Hydraulic-Cement Grout. ASTM C Standard Test Method for Measuring Changes in Height of Cylindrical Specimens of Hydraulic-Cement Grout. ASTM C/CM: Standard Test Method for Measuring Changes in Height of Cylindrical Specimens of Hydraulic-Cement Grout.

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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.

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ASTM C1090

The glass plate was removed from the top of the test specimen after 24 h. Testing of shrinkage for concrete – grout. 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 alternative designation given in parentheses is for information only and does not represent a different standard sieve size.

This approach provided more simplicity c109 the execution of the test, rather than using a projector lamp, magnifying lens, and indicator charts as described in ASTM C see figure The height change of a 3-inch mm -diameter by 6-inch mm -tall cylindrical specimen was measured in accordance with ASTM C After removal, the thickness of the glass plate was measured with a caliper at the points of contact between the glass plate and the micrometer.

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These test methods cover procedures for assessing the adhesion of coating films to metallic substrates by applying and removing pressure-s The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other.

Historical Version s – view previous versions of standard. Newer Post Older Post Home. The laser astj has been compared with the original setup, and similar results were obtained.

Though not recommended by the ASTM standards, and in order to provide the lowest friction possible, an acetate sheet was used in between the test specimen and the mold. I married on 30 th June now having one b Some values have only SI units because the inch-pound equivalents are not used in practice.

Combining values from the two systems may result in non-conformance with the standard. For cementitious grouts, saturate the surface up to SSD.

ASTM C Standard

The degree of restraint varies with the mixture viscosity and degree of hardening. Two cylindrical specimens with the same dimensions as those used for the ASTM C test method were prepared in which the change in height was measured at four points on the top surface of the specimens using a micrometer in accordance with ASTM C at 1, 3, 7, 14, and 28 d see figure An exception is made when the options described in the section on test conditions are exercised.

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The height change results in both test methods are expressed in terms of percentage increase or decrease of the original specimen height.

Sieve size is identified by its standard designation in Specification E In both test methods, there is always a certain degree of friction between the specimen’s sides and the inner surface of the metallic mold. This thickness was then added to the four-reading initial measurement.