ASTM C266
E1001473
ASTM C266 is a standardized test method that specifies procedures for determining the setting time of hydraulic-cement paste using Gillmore needles.
All labels observed (1)
| Label | Occurrences |
|---|---|
| ASTM C266 canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12435072 — 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 C266 Context triple: [ASTM Committee C01 on Cement, responsibleFor, ASTM C266]
-
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 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.
-
C.
ASTM C109
ASTM C109 is a standardized test method that specifies procedures for determining the compressive strength of hydraulic cement mortars using 2-inch (50 mm) cube specimens.
-
D.
ASTM C219
ASTM C219 is a standard terminology document issued by ASTM that defines key terms and concepts used in the field of cement.
-
E.
ASTM C91
ASTM C91 is a standard specification issued by ASTM International that defines the requirements for masonry cement used in construction applications.
- 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 C266 Target entity description: ASTM C266 is a standardized test method that specifies procedures for determining the setting time of hydraulic-cement paste using Gillmore needles.
-
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 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.
-
C.
ASTM C109
ASTM C109 is a standardized test method that specifies procedures for determining the compressive strength of hydraulic cement mortars using 2-inch (50 mm) cube specimens.
-
D.
ASTM C219
ASTM C219 is a standard terminology document issued by ASTM that defines key terms and concepts used in the field of cement.
-
E.
ASTM C91
ASTM C91 is a standard specification issued by ASTM International that defines the requirements for masonry cement used in construction applications.
- F. None of above. chosen
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
ASTM standard
ⓘ
standard test method for hydraulic cement ⓘ test method ⓘ |
| appliesTo | hydraulic-cement paste ⓘ |
| concerns | time-dependent stiffening of hydraulic cement paste ⓘ |
| contributesTo | uniformity of cement setting time measurements ⓘ |
| defines |
criteria for final set
ⓘ
criteria for initial set ⓘ requirements for Gillmore needles dimensions ⓘ requirements for test conditions ⓘ requirements for test specimen preparation ⓘ |
| field |
cement testing
ⓘ
civil engineering ⓘ construction materials ⓘ |
| geographicScope |
United States
ⓘ
linked to:
United States of America
international use ⓘ |
| hasAbbreviation | C266 ⓘ |
| hasLanguage | English ⓘ |
| hasScope | laboratory determination of setting time of hydraulic-cement paste ⓘ |
| hasTitle | Standard Test Method for Time of Setting of Hydraulic-Cement Paste by Gillmore Needles ⓘ |
| materialClass | hydraulic cement ⓘ |
| measures |
final setting time of hydraulic-cement paste
ⓘ
initial setting time of hydraulic-cement paste ⓘ |
| partOf |
ASTM standards for cement and concrete
ⓘ
linked to:
ASTM Committee C01 on Cement
|
| publishedBy |
ASTM International
ⓘ
American Society for Testing and Materials ⓘ
linked to:
ASTM International
|
| referencedIn |
cement product standards
ⓘ
construction specifications ⓘ |
| relatedTo |
ASTM C150
ⓘ
ASTM C191 ⓘ |
| requires |
controlled humidity conditions
ⓘ
controlled temperature conditions ⓘ |
| specifies |
environmental conditions during test
ⓘ
needle load requirements ⓘ needle tip dimensions ⓘ procedure for determining time of setting of hydraulic-cement paste ⓘ time intervals for needle application ⓘ |
| standardizes | Gillmore needle method for setting time determination ⓘ |
| testType |
physical test
ⓘ
setting time test ⓘ |
| usedBy |
cement manufacturers
ⓘ
construction material testing laboratories ⓘ quality control engineers ⓘ |
| usedFor |
quality control of hydraulic cement
ⓘ
research on cement setting behavior ⓘ specification compliance testing ⓘ |
| usesInstrument | Gillmore needles ⓘ |
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 C266 Description of subject: ASTM C266 is a standardized test method that specifies procedures for determining the setting time of hydraulic-cement paste using Gillmore needles.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.