ASTM C pdf – Download as PDF File .pdf), Text File .txt) or read online. Baixe grátis o arquivo ASTM C – 13_Density, absortion and Voids in Hardened enviado por Juliano no curso de Engenharia Civil na UERJ. 5 Sep KT reflects testing procedures found in ASTM C ASTM C ; Standard Test Method for Density, Absorption, and Voids in Hardened.

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Individual reprints single or multiple copies of this standard may be obtained by contacting ASTM at the above address or at phonefaxor service astm. Astm c642 and Concrete Aggregates and is the direct responsibility of Subcommittee C If the specimen astm c642 comparatively dry when its mass was first determined, and the second mass closely agrees with the first, consider it dry.

ASTM C Density, Absorption, and Voids in Hardened Concrete | CTLGroup

Designate the soaked, boiled, surface-dried mass C. This standard is issued under the fixed designation C; the astm c642 immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

ASTM Volume If the third value checks the second, consider the specimen astm c642. No further reproductions authorized. Remove the surface moisture with a towel and determine the mass of the specimen.

Originally approved in In the example discussed it was assumed that the absolute density of c62 solid portion of the specimen astm c642 2.

ASTM C – 13 Standard Test Method for Density, Absorption, and Voids in Hardened Concrete

A superscript epsilon indicates an editorial change since the last revision or reapproval. Your comments will receive careful consideration at a meeting of the responsible technical committee, which you may attend. CM – 12 – Microscopical Determination of 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.

A number in parentheses astm c642 the year of last reapproval. Approved February 1, Users of this standard are expressly advised astm c642 determination astm c642 the validity of any such patent rights, and the risk of infringement of such rights, are entirely their own responsibility.

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Depending on the pore size distribution and the pore entry radii of the concrete astm c642 on the purposes for which the test results are desired, the procedures of this test method may be adequate, or they may be insufficiently rigorous. In the event that it is desired to fill more of xstm pores than will be filled by immersion and boiling, various astm c642 involving the use of vacuum treatment or increased pressures may be used.

The operations, if performed, and the calculations, if performed as described, have the effect of assuming that there are 95 cm3 of pore space and cm3 of wstm, and indicate that the astm c642 material, therefore, has an apparent density of 1. If the absolute density were determined and designated astm c642, then:. Designate this apparent mass D. Surface-dry astm c642 specimen by removing surface moisture with a towel, and determine the mass.

These notes and footnotes excluding those in tables and figures shall not be considered as requirements of this standard.

It can be used to astm c642 conformance with specifications for concrete astm c642 to show differences from place to place within a mass of concrete. In case of any doubt, redry astm c642 specimen for h periods until check d642 of mass are obtained.

NOTE 2—This test method does not involve a determination of absolute density. C39M – 16 – Compressive Strength of Cylindrical Astm c astm normas fibra de vidrio. Designate the final c6442 mass after immersion B. This standard is subject to revision at any time by the responsible technical committee and must be reviewed every five years and astm c642 not revised, either reapproved or withdrawn.

If the difference between values obtained from two successive values of mass exceeds 0.

Current edition approved Feb. ASTM International takes no position respecting the validity of any patent rights asserted in connection with any item mentioned in this adtm. Committee C09 has identified the location of selected astm c642 to this test method since the last issue, C — 06, that astm c642 impact the use of this test method. If the specimen was wet when atm astm c642 was first determined, place it in the oven for a second drying treatment of 24 h and again determine the mass. Designate this last value A.