{"id":"W2305778301","doi":"","title":"Use of selected silica deposits of Bangladesh as standard sand in testing compressive strength of hydraulic cement mortars: A proposal for strength correlation","year":2012,"lang":"en","type":"article","venue":"","topic":"Concrete and Cement Materials Research","field":"Engineering","cited_by":11,"is_retracted":false,"has_abstract":true,"ca_institutions":"","funders":"","keywords":"Compressive strength; Scanning electron microscope; Cement; Mortar; Materials science; Mineralogy; Chemical composition; Composite material; Grain size; Geotechnical engineering; Metallurgy; Geology; Chemistry","routes":{"ca_aff":false,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":true},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0004123071,0.0003349657,0.0001602111,0.001037173,0.0002203619,0.0003943722,0.0003038818,0.000267713,0.0005988606],"category_scores_gemma":[0.0007005465,0.0001926512,0.0001446796,0.0006556342,0.0002375702,0.0002363852,0.000258018,0.0001447093,0.0002211807],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002361095,"about_ca_system_score_gemma":0.0002436841,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00297621,"about_ca_topic_score_gemma":0.01513459,"domain_scores_codex":[0.9995769,0.00007250455,0.00004428916,0.00006263643,0.0002132135,0.00003043946],"domain_scores_gemma":[0.9994662,0.0001106768,0.0001196525,0.00004987939,0.0002172177,0.00003643543],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"bench_or_experimental","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.0003104091,0.00006830297,0.1721811,0.0001929049,0.0000674538,0.0003934677,0.0002229884,0.001167774,0.8080389,0.0002223236,0.00007212484,0.01706225],"study_design_scores_gemma":[0.00001818901,0.001056558,0.2806117,0.00002244823,0.0001217191,0.001051955,0.0008052233,0.003050355,0.7101411,0.0002014763,0.002877922,0.00004129928],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9939441,0.0001676811,0.003483987,0.00001453094,0.000003952307,0.0000317365,0.0002138276,0.00001324095,0.002126941],"genre_scores_gemma":[0.9943852,0.0001687822,0.004655134,0.00000643191,0.000001671506,0.00001510165,0.000125208,0.000003294592,0.0006392145],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.00297621,"threshold_uncertainty_score":0.005917788,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02975311373082747,"score_gpt":0.2677562447945596,"score_spread":0.2380031310637321,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}