ASTM C87
E1017289
ASTM C87 is a standard specification issued by ASTM International that defines requirements and test methods for chemical admixtures used in concrete.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ASTM C87 canonical | 2 |
How this entity was disambiguated
This entity first appeared as the object of triple T12552822 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: ASTM C87 Context triple: [ASTM C33, relatedTo, ASTM C87]
-
A.
ASTM C187
ASTM C187 is a standardized test method that specifies how to determine the normal consistency (standard water requirement) of hydraulic cement paste.
-
B.
ASTM C188
ASTM C188 is a standard test method that specifies procedures for determining the density (specific gravity) of hydraulic cement.
-
C.
ASTM C91
ASTM C91 is a standard specification issued by ASTM International that defines the requirements for masonry cement used in construction applications.
-
D.
ASTM C451
ASTM C451 is a standard test method published by ASTM International that specifies procedures for determining the early stiffening (false set) of hydraulic cement.
-
E.
ASTM C115
ASTM C115 is a standard test method that specifies procedures for determining the fineness of Portland cement by the turbidimetric method.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: ASTM C87 Target entity description: ASTM C87 is a standard specification issued by ASTM International that defines requirements and test methods for chemical admixtures used in concrete.
-
A.
ASTM C187
ASTM C187 is a standardized test method that specifies how to determine the normal consistency (standard water requirement) of hydraulic cement paste.
-
B.
ASTM C188
ASTM C188 is a standard test method that specifies procedures for determining the density (specific gravity) of hydraulic cement.
-
C.
ASTM C91
ASTM C91 is a standard specification issued by ASTM International that defines the requirements for masonry cement used in construction applications.
-
D.
ASTM C451
ASTM C451 is a standard test method published by ASTM International that specifies procedures for determining the early stiffening (false set) of hydraulic cement.
-
E.
ASTM C115
ASTM C115 is a standard test method that specifies procedures for determining the fineness of Portland cement by the turbidimetric method.
- F. None of above. chosen
Statements (37)
| Predicate | Object |
|---|---|
| instanceOf |
ASTM standard
ⓘ
concrete standard ⓘ technical standard ⓘ |
| appliesTo | chemical admixtures for concrete ⓘ |
| concerns |
durability of concrete
ⓘ
fresh concrete properties ⓘ hardened concrete properties ⓘ |
| defines |
requirements for chemical admixtures used in concrete
ⓘ
test methods for chemical admixtures used in concrete ⓘ |
| field |
civil engineering
ⓘ
concrete technology ⓘ construction materials ⓘ |
| format |
PDF
ⓘ
print ⓘ |
| governs | test methods for evaluating chemical admixtures ⓘ |
| hasCategory |
construction standard
ⓘ
materials specification ⓘ |
| hasLanguage | English ⓘ |
| hasPublisher | ASTM International ⓘ |
| hasScope |
performance requirements for chemical admixtures
ⓘ
sampling procedures for admixtures ⓘ test procedures for admixtures ⓘ |
| hasType | material specification ⓘ |
| jurisdiction | international use ⓘ |
| maintainedBy | ASTM Committee on Concrete and Concrete Aggregates ⓘ |
| partOf | ASTM standards for concrete and aggregates ⓘ |
| publishedBy | ASTM International ⓘ |
| regulates | quality of chemical admixtures for concrete ⓘ |
| relatedTo |
concrete admixture performance
ⓘ
standardization of concrete materials ⓘ |
| usedBy |
civil engineers
ⓘ
concrete producers ⓘ materials testing laboratories ⓘ specifying agencies ⓘ |
| usedFor |
acceptance testing of chemical admixtures
ⓘ
quality control of chemical admixtures ⓘ specifying chemical admixtures in construction contracts ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: ASTM C87 Description of subject: ASTM C87 is a standard specification issued by ASTM International that defines requirements and test methods for chemical admixtures used in concrete.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.