ASTM C Related Standards: ASTM C, C, C, D75, D, E Potential Alkali Reactivity of Carbonate Rocks as Concrete Aggregates. GeoTesting Express is a provider of Aggregate Testing Services – ASTM C, Standard Test Method for Potential Alkali Reactivity of Carbonate Rocks for. This standard is issued under the fixed designation C ; the number 1 This test method is under the jurisdiction of ASTM Committee C-9 on Concrete.
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This standard is also available to be included in Standards Subscriptions. The v586 changes occurring during such immersion indicate the general level of reactivity of the rock and whether tests should be made to determine the effect of aggregate prepared from the rock upon the volume change in concrete.
You can download and open this file to your own computer but DRM prevents opening this file on another computer, including a networked server. Test method Subject Areas: C568 likely to occur in repeated wetting and drying conditions can also be underestimated. Historical Version s – view previous versions of standard. Two types of alkali reactivity of aggregates are recognized: Reaction chem ; Part I of this arrticle no appeared in the October issue of Concrete.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. Alkali-reactivity can be detected in concrete, but the assessment of the importance and state of progress is almost impossible. Wstm to Alert PDF. After many months some show a small but progressive expansion. Standards Subsctiption may be the perfect solution. It is intended to supplement data from field service records, petrographic examinations according to Guide Cand tests of aggregate in concrete according to Test Method C Alkalies participating in the expansive reactions with aggregate constituents in concrete usually are derived from the hydraulic cement; under certain circumstances they may be derived from other constituents of concrete or from external sources.
You may delete a document from your Alert Profile at any time. We have no amendments or corrections for this standard. This test method is intended to give a relatively rapid indication astmm the potential expansive reactivity of certain carbonate rocks that may be used as concrete aggregates.
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ASTM C Standard
The author investigates the mortar bar test described in ASTM Wstm showing that it can give misleading results, as some rocks such as metamorphic quartz and some carbonates exhibit slow but progressive expansion. Proceed to Checkout Continue Shopping. This test method covers the determination of the expansive characteristics of carbonate rocks while immersed in a solution of sodium hydroxide NaOH at room temperature. Link to Active This link will always route to the current Active version of the standard.
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You may delete a document from your Alert Profile at any time. The length changes occurring during such immersion indicate the general level of reactivity of the rock and whether tests should be made to determine the effect of aggregate prepared from the rock asm the volume change in concrete.
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APPLICATION OF STANDARD TESTING PROCEDURES FOR ALKALI-REACTIVITY. PART 2
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