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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ASTM C Alkali Reactivity of Carbonate Rocks for Aggregates | CTL
As the significance of the mortar bar test results depend upon the conditions tested, it is relevant to employ the cement type and aggregate proposed for actual use. 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.
Transport Research Laboratory Files: Expansion likely to occur in repeated wetting and drying conditions can also be underestimated.
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This test method is not suitable as a means to detect alkali-silica reaction. Proceed to Checkout Continue Shopping. Figures; Photos; References; Pagination: Your Alert Profile lists the documents that will be monitored. If the document is revised or amended, you will be notified by email.
ASTM C586 – 11
This test method is intended to give a relatively rapid indication of the potential expansive reactivity of certain carbonate rocks that may be used as concrete aggregates. After many months some show a small but progressive expansion.
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ASTM C Standard
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard. We have no amendments or corrections for this standard. Alkali-reactivity can be detected in concrete, but the assessment of the importance and state of progress is almost impossible. Please first verify your email before subscribing to alerts.
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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 upon the volume change in concrete.
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Two types of alkali reactivity of aggregates are recognized: