pozzolana

GPTKB entity

Statements (29)
Predicate Object
gptkbp:instanceOf gptkb:volcanic_activity
Material
gptkbp:alternativeName pozzolan
gptkbp:color gray
reddish
gptkbp:component gptkb:silica
lime
iron oxide
alumina
magnesia
gptkbp:form hydraulic cement
gptkbp:foundIn gptkb:Italy
https://www.w3.org/2000/01/rdf-schema#label pozzolana
gptkbp:improves durability of concrete
gptkbp:namedAfter gptkb:Pozzuoli
gptkbp:reduces permeability of concrete
gptkbp:type lime
gptkbp:usedAs cement additive
gptkbp:usedBy gptkb:Romans
gptkbp:usedFor Roman concrete
gptkbp:usedIn harbors
public baths
construction
domes
aqueducts
vaults
marine structures
gptkbp:bfsParent gptkb:opus_caementicium
gptkbp:bfsLayer 6