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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Link to Active This link will always route to the current Active version of the standard. 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. This approach provided more simplicity in the execution of the test, rather than using a projector lamp, magnifying lens, and indicator charts as described in ASTM C d1090 figure Testing of shrinkage for concrete – grout.

ASTM International – Standard References for ASTM C / CM – 15

For cementitious grouts, saturate the surface up to SSD. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. The height change results in both test methods are expressed in terms of percentage increase or decrease of the original specimen height. 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 The degree of restraint varies with the mixture viscosity and degree of hardening.

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Some values have only SI units because the inch-pound equivalents are not used in practice.

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. An exception is made when the options described in the section on test conditions are exercised. Sieve size is identified by its standard designation in Specification E Asym alternative designation given in parentheses zstm for information only and does not represent a different standard sieve size.

Combining values from the two systems may result in non-conformance with the standard.

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 laser approach has been compared with the original setup, and similar results were obtained.

Newer Post Older Post Home. Referenced Documents purchase separately The documents c1009 below are referenced within the subject standard but are not provided as part of the standard.

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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 glass plate was removed from the top of the test specimen after 24 h.

I married on 30 th June now having one b 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. The height change of a 3-inch mm -diameter by 6-inch mm sstm cylindrical specimen was measured in accordance with ASTM C This thickness was then added to the four-reading initial measurement.

Historical Version s – view previous versions of standard.