{"id":"S85112450","label":"Fiber-reinforced concrete","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85112450","normalized_label":"fiber-reinforced concrete","broader":["http://id.loc.gov/authorities/subjects/sh85048037","http://id.loc.gov/authorities/subjects/sh85112446"],"aliases":["FRC (Fiber-reinforced concrete)","Fibrous concrete","Reinforced concrete, Fiber"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85112450","provider":"lcsh","revision":"661cfa7e22f046e2","taxonomy_revision":"f050b5d4780b1289","title":"Fiber-reinforced concrete","url":"/topics/S85112450","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288441758403412544","address_version":"morton4x16-v1","coordinates":[0,20,19162,2048],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}