{"id":"W2883292047","doi":"10.36487/acg_repo/711_25","title":"The Weakest Link - Ground Support Observations at Some Canadian Shield Hard Rock Mines","year":2007,"lang":"en","type":"article","venue":"Deep mining","topic":"Rock Mechanics and Modeling","field":"Engineering","cited_by":34,"is_retracted":false,"has_abstract":true,"ca_institutions":"Geomechanica (Canada)","funders":"","keywords":"Shotcrete; Stoping; Underground mining (soft rock); Rock mass classification; Stiffness; Rebar; Geotechnical engineering; Shield; Mining engineering; Geology; Structural engineering; Engineering; Coal mining","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.000447325,0.0004326791,0.0003717519,0.001904267,0.005904964,0.000965553,0.001270411,0.0009776424,0.002867003],"category_scores_gemma":[0.001147081,0.0003229318,0.0002043999,0.001690707,0.001399195,0.0004266333,0.001064955,0.001013067,0.0004707109],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.01147445,"about_ca_system_score_gemma":0.01272437,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.9534423,"about_ca_topic_score_gemma":0.993197,"domain_scores_codex":[0.99886,0.00002634838,0.00001970538,0.00009723446,0.0007403154,0.0002564657],"domain_scores_gemma":[0.9987178,0.0000658878,0.0001164843,0.0000457132,0.000801713,0.0002524738],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.0008934773,0.0003037003,0.7793083,0.0004690703,0.0001233312,0.01126102,0.0304606,0.002741265,0.03725483,0.002387216,0.04131229,0.09348483],"study_design_scores_gemma":[0.00001391022,0.0001203502,0.9450756,0.00007587633,0.00002500416,0.0005662981,0.01682647,0.0007450077,0.002035324,0.000189276,0.03426973,0.00005721664],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9664274,0.0002168797,0.0004228392,0.0011283,0.00003072634,0.00007496413,0.001725507,0.00008809932,0.02988515],"genre_scores_gemma":[0.9776043,0.0002609877,0.001073955,0.0003301268,0.00001495631,0.00002523499,0.0009049551,0.00002407542,0.01976154],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.04655772,"threshold_uncertainty_score":0.09366375,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03338170956150104,"score_gpt":0.2200401735412283,"score_spread":0.1866584639797272,"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."}}