|
skos:pref |
"concrete"@en
|
| skos:broader | inorganic material |
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skos:exact |
aat:300010737 |
|
skos:in |
<https:/ |
|
<https:/ |
|
| skos:notation | "37446" |
|
skos:scope |
"A hard, strong construction material comprising a mixture of sand, gravel, crushed rock, or other aggregate, held together, typically by a hardened paste of cement and/or lime. Several types of aggregate are used such as crushed stone, slag, cinders or gravel. Ancient Romans developed pozzolan cement about the 3rd century BCE. Modern concretes use various cements such as portland or hydraulic. Concrete is durable and relatively inexpensive, used for foundations, bridges, dams, walls, and highways. Concrete is strong in compression but weak in tension so it is often reinforced with steel bars or wire netting. Once a concrete mixture is stirred with water and poured into a mold, it is allowed to cure slowly over about a week. Stresses, such as vibration, freezing, and rapid drying, will diminish the strength and durability of the concrete. As it ages, concrete is subject to erosion, spalling, and pollution. Poor mixing can cause erosion. Spalling can be due to freeze-thaw cycles of moisture and ice, salt crystallization, or corrosion of steel reinforcements. Acid rain can deplete the natural alkaline reserve of fresh concrete."@en
|
|
prov:generated |
"2021-10-19T14:57:58+00:00"^^xsd:dateTime |
Inverse relations
[ .. ] → cidoc:P14i_performed :: cidoc:P125_used_object_of_type → concrete
Abalscidoc:E74_Group
Adams, Robert (beeldhouwer)cidoc:E21_Person
Adler, Karl-Heinzcidoc:E21_Person
Adlhart, Jacobcidoc:E21_Person
Albiker, Karlcidoc:E21_Person
Albrecht, Herbertcidoc:E21_Person
Aleksandra M. Gaganaszwilicidoc:E21_Person
Arnold, Klauscidoc:E21_Person
Badoin, Joriscidoc:E21_Person
Baudoin, Joriscidoc:E21_Person
Baum, Ottocidoc:E21_Person
Bayes, Gilbertcidoc:E21_Person
Beekhuis van Till, Meintcidoc:E21_Person
Beljon, Joopcidoc:E21_Person
Bembel, Andrej Anufryevičcidoc:E21_Person
Bennekum, Aart vancidoc:E21_Person
Berges, Hermanncidoc:E21_Person
Berselaar, Harri van dencidoc:E21_Person
Bijsterveld, Johancidoc:E21_Person
Blok, Adricidoc:E21_Person
... show all 125
[ .. ] → cidoc:P45_consists_of → concrete
Astri Artis (Sint Anna Hospital Oss)cidoc:E22_Human-Made_Object
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Twee betonnen stoelencidoc:E22_Human-Made_Object
Untitledcidoc:E22_Human-Made_Object
Untitledcidoc:E22_Human-Made_Object