{"id":"S2012001566","label":"Controlled low-strength materials","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2012001566","normalized_label":"controlled low-strength materials","broader":["http://id.loc.gov/authorities/subjects/sh85048222","http://id.loc.gov/authorities/subjects/sh85124324"],"aliases":["Backfill, Cement-slurry","CLSM (Controlled low-strength materials)","Cement-slurry backfill","Controlled density fill","Flow fill","Flowable fill","Flowable fly ash","Flowable mortar","Fly ash slurry","Fly ash, Flowable","K-Krete","Mortar, Flowable","Plastic soil cement","Slurry, Fly ash","Slurry, Soil cement","Soil cement slurry","Unshrinkable fill"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2012001566","provider":"lcsh","revision":"08d49f4fe5039c46","taxonomy_revision":"f050b5d4780b1289","title":"Controlled low-strength materials","url":"/topics/S2012001566","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5245708688647661090","address_version":"morton4x16-v1","coordinates":[0,479,45780,30720],"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}