{"id":"W4386523081","doi":"10.56952/arma-2023-0127","title":"Investigation of Excavation Length Effect on Stope Stability at a Canadian Hard Rock Mine","year":2023,"lang":"en","type":"article","venue":"","topic":"Rock Mechanics and Modeling","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Alberta","funders":"","keywords":"Excavation; Rock mass classification; Geotechnical engineering; Mining engineering; Displacement (psychology); Underground mining (soft rock); Stoping; Geology; 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":[0.0005978093,0.0003958502,0.0003511143,0.0009607166,0.0008450058,0.0007701101,0.0009718108,0.000639696,0.001173671],"category_scores_gemma":[0.001478823,0.0002543312,0.0007220292,0.0007244387,0.0005921408,0.0004201314,0.0007257562,0.000409137,0.0001502265],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.002509593,"about_ca_system_score_gemma":0.001929201,"about_ca_topic_candidate":true,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.2647567,"about_ca_topic_score_gemma":0.4268744,"domain_scores_codex":[0.9994215,0.00004939922,0.00003127442,0.00009446507,0.0002550674,0.000148225],"domain_scores_gemma":[0.9990767,0.0002793921,0.0001254868,0.00008618904,0.0003416475,0.000090455],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"observational","study_design_scores_codex":[0.002229133,0.0005257107,0.4506218,0.0004417633,0.0002446781,0.002624473,0.001595916,0.347673,0.1181993,0.00128682,0.0009281687,0.0736293],"study_design_scores_gemma":[0.00008352319,0.001522739,0.6409843,0.00006068288,0.000276505,0.0003450575,0.004795197,0.3130427,0.03538319,0.0004951252,0.002856994,0.0001540409],"study_design_candidate":"observational","study_design_consensus":"observational","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9985879,0.00002585414,0.000536243,0.00001751117,0.000001646385,0.00001006613,0.0001020596,0.00001592873,0.0007027138],"genre_scores_gemma":[0.998811,0.0000331158,0.000735677,0.000003251944,3.509002e-7,0.000006508904,0.00009674826,0.000002660715,0.0003108129],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.7352433,"threshold_uncertainty_score":0.5264313,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.03141020951256001,"score_gpt":0.2067252207811594,"score_spread":0.1753150112685994,"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."}}