ASTM C40
E1015668
ASTM C40 is a standard test method that specifies procedures for determining the organic impurities present in fine aggregates used in concrete.
Statements (44)
| Predicate | Object |
|---|---|
| instanceOf |
ASTM standard
ⓘ
standard test method ⓘ |
| appliesToEndUse | concrete ⓘ |
| appliesToMaterial |
fine aggregate
ⓘ
sand ⓘ |
| determines |
acceptability of fine aggregates for use in concrete based on organic impurities
ⓘ
presence of organic impurities in fine aggregates ⓘ |
| fieldOfUse |
civil engineering
ⓘ
construction materials testing ⓘ |
| governsProperty | organic cleanliness of fine aggregates GENERATED ⓘ |
| hasFullTitle | ASTM C40 Standard Test Method for Organic Impurities in Fine Aggregates for Concrete NERFINISHED ⓘ |
| industry |
construction
ⓘ
ready-mixed concrete production ⓘ |
| involvesProcedureStep |
allowing mixture to stand for a specified period
ⓘ
comparing color of supernatant liquid with standard color reference ⓘ mixing fine aggregate sample with sodium hydroxide solution ⓘ |
| language | English ⓘ |
| measurementBasis | visual color comparison ⓘ |
| primaryPurpose | screening test for potentially deleterious organic matter in fine aggregates ⓘ |
| publishedBy |
ASTM International
NERFINISHED
ⓘ
American Society for Testing and Materials NERFINISHED ⓘ |
| relatedTo |
ASTM C33
NERFINISHED
ⓘ
ASTM C87 NERFINISHED ⓘ |
| requiresEquipment |
color comparison bottles
ⓘ
standard color reference solution ⓘ |
| resultInterpretation |
darker color indicates potentially harmful organic impurities
ⓘ
if color is darker than standard reference, aggregate may be rejected or require further testing ⓘ |
| sampleType | representative sample of fine aggregate ⓘ |
| scope |
identification of organic impurities in manufactured fine aggregates
ⓘ
identification of organic impurities in natural sands ⓘ |
| standardCategory | concrete and aggregates ⓘ |
| status | active ASTM standard ⓘ |
| supportsSpecificationCompliance | ASTM C33 concrete aggregates requirements GENERATED ⓘ |
| testEnvironment | laboratory ⓘ |
| testType | organic impurities test ⓘ |
| usedBy |
aggregate suppliers
ⓘ
civil engineers ⓘ concrete producers ⓘ materials testing laboratories ⓘ |
| usedIn |
aggregate acceptance testing
ⓘ
concrete quality control ⓘ |
| usesMethod | colorimetric comparison ⓘ |
| usesReagent |
3% sodium hydroxide solution
ⓘ
sodium hydroxide solution ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.