{"id":"S2007004329","label":"Concrete-filled tubes","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2007004329","normalized_label":"concrete-filled tubes","broader":["http://id.loc.gov/authorities/subjects/sh85030704","http://id.loc.gov/authorities/subjects/sh85138452"],"aliases":["CFTs (Concrete-filled tubes)","Concrete-filled FRP tubes","Concrete-filled fiber-reinforced polymer tubes","Concrete-filled high-strength steel tubes","Concrete-filled steel tubes","Fiber-reinforced polymer tubes, Concrete-filled","High-strength steel tubes, Concrete-filled","Polymer tubes, Concrete-filled fiber-reinforced","Steel tubes, Concrete-filled"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2007004329","provider":"lcsh","revision":"1862c4693eebb034","taxonomy_revision":"f050b5d4780b1289","title":"Concrete-filled tubes","url":"/topics/S2007004329","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13871095675875631712","address_version":"morton4x16-v1","coordinates":[0,478,33234,41984],"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}