{"id":"W2124730319","doi":"10.4028/www.scientific.net/amm.90-93.2282","title":"Model Test Study on Failure Mechanism of Unsupported Tunnels Constructed in Soft Rock Masses at Different Cross Section","year":2011,"lang":"en","type":"article","venue":"Applied Mechanics and Materials","topic":"Rock Mechanics and Modeling","field":"Engineering","cited_by":2,"is_retracted":false,"has_abstract":true,"ca_institutions":"Ministry of Transportation of Ontario","funders":"","keywords":"Geotechnical engineering; Excavation; Rock mass classification; Section (typography); Geology; Failure mechanism; Stress (linguistics); Cross section (physics); Tunnel construction; Hoek–Brown failure criterion; Structural engineering; Engineering","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"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":[0.0004997789,0.0007053945,0.0006978335,0.0005589331,0.0004073515,0.0003745593,0.001269302,0.001136014,0.002457998],"category_scores_gemma":[0.0007198797,0.000358945,0.000715171,0.0003163787,0.0004853822,0.000620522,0.0004632947,0.0003485388,0.0003229792],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002589434,"about_ca_system_score_gemma":0.0003946454,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.002059531,"about_ca_topic_score_gemma":0.003022117,"domain_scores_codex":[0.9997219,0.00002945167,0.00001579697,0.00005272597,0.0001190251,0.00006095717],"domain_scores_gemma":[0.9994231,0.0001610547,0.00007528401,0.0001369495,0.0001407011,0.00006290815],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001285405,0.000712318,0.04463004,0.000437009,0.0001240694,0.002275944,0.0008512315,0.6066171,0.3244821,0.001034647,0.0007600149,0.01679019],"study_design_scores_gemma":[0.00008686018,0.0045011,0.04342008,0.00003670316,0.00008238106,0.0007791969,0.0004808607,0.8438891,0.1054464,0.000519115,0.0006714785,0.00008664796],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9962745,0.00003209222,0.003081804,0.000008820201,0.000005528835,0.00001121697,0.0001317443,0.0000603143,0.0003939167],"genre_scores_gemma":[0.9984637,0.00003405597,0.000925456,0.000002309738,9.355451e-7,0.00001399739,0.00012262,0.000007423585,0.0004295973],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.002457998,"threshold_uncertainty_score":0.008222878,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02481042004394523,"score_gpt":0.2181242489278788,"score_spread":0.1933138288839335,"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."}}