As researchers using ASTM C for sulfate resistance test for concrete. The size of the cube is x x mm. But ASTM C gives guidelines for. Table 1 Criticism of ASTM Sulfate Durability Tests (ASTM C and ASTM C) .. 8. Table 2 Designation, Classification, and Chemical Oxide Analysis of. C (ASTM a) Type II cement (moderate sulfate resistance) or Type V . chosen based on the ASTM C (ASTM b) specifications are shown in.

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Enviado por Murilo flag Denunciar. C — 04 Standard Test Method for Length Change of Hydraulic-Cement Mortars Exposed to a Sulfate Solution1 This standard is astn under the fixed designation C ; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval.

A superscript epsilon e indicates an editorial change since the last revision or reapproval. The values shown in parentheses are for information purposes only. It is the responsibility of the user of this standard to establish appro- priate safety and health practices and determine the applica- bility of regulatory limitations prior to use. atm


Significance and Use 3. Method C is suitable for evaluating portland cements but not blended cements or blends axtm portland cement with pozzolans or slags.

Other sulfate concentrations or other sulfates such as MgSO4 may be used to simulate the environmental exposure of interest. Further discussion of these and other technical issues is given in the Appendix.

ASTM C Hydraulic-Cement Mortars Exposed to a Sulfate | CTLGroup

Current edition approved Jan. Originally approved in Last previous edition approved in as C — BoxFarmington Hills, MI Support the bars so that no end or side of a bar rests against the container. Seal the container with a lid so that the sulfate solution cannot evaporate.

Reagents and Materials 5. adtm

When tests are made that are expected to produce results that are close to an acceptance- rejection value, it is recommended that reagent grade chemi- cals be used. Such chemicals shall conform to the specifica- tions of the Committee on Analytical Reagents for the American Chemical Society where such specifications are available.


Any anhydrous or hydrated sodium sulfate may be used if the water content of the salt is checked by loss on ignition and proper corrections made to account for the specified sulfate concen- tration.

Mix the solution on the day before use, cover, and store at Determine the pH of the solution before use; reject the solution if the pH range is outside 6.

Maintain the volume proportion of sulfate solution to mortar bars in a storage container at c101. For mortar bars 25 by 25 by mm volume mLthis is to mL of solution per mortar bar 1c012 the storage container. Use a water-cement ratio by mass of 0.