{"id":"W2314988644","doi":"10.1061/41130(369)177","title":"A Possible Method for Obtaining Fracture Parameters for Crack Propagation in Quasi-Brittle Materials Subject to Compression","year":2010,"lang":"en","type":"article","venue":"Structures Congress 2010","topic":"Rock Mechanics and Modeling","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Calgary","funders":"Natural Sciences and Engineering Research Council of Canada","keywords":"Materials science; Brittleness; Compression (physics); Fracture mechanics; Tension (geology); Composite material; Cracking; Fracture (geology); Crack closure; Structural engineering; Crack growth resistance curve; Engineering","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0003599545,0.0002328782,0.0003305946,0.0001717611,0.0001148663,0.0001342674,0.0002166006,0.0002620205,0.00002899942],"category_scores_gemma":[0.0001933205,0.0002071335,0.00006741437,0.00008892542,0.000008565367,0.0001421716,0.00003585243,0.0002541623,0.000001518421],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00002584417,"about_ca_system_score_gemma":0.00002751329,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00007263361,"about_ca_topic_score_gemma":0.0002164726,"domain_scores_codex":[0.9987997,0.00002832025,0.0003356798,0.0003171417,0.0001295332,0.0003896115],"domain_scores_gemma":[0.9992526,0.0001886007,0.00007709058,0.0002738836,0.0001082246,0.00009964284],"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":[0.0001351577,0.00001051384,0.00001844388,0.0001696389,0.0000220922,9.976881e-7,0.0004571512,0.06056971,0.9248397,0.0009853917,0.001157775,0.01163339],"study_design_scores_gemma":[0.0008692194,0.00009058243,0.000127226,0.00006953002,0.00001814857,0.00000503137,0.00006475455,0.2688504,0.7175993,0.009437074,0.002571065,0.0002976756],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.615812,0.00004356706,0.3796611,0.00007708847,0.003020777,0.001164306,0.0001046961,0.0001012368,0.00001525714],"genre_scores_gemma":[0.8470507,0.000004641884,0.152177,0.0001106643,0.000187267,0.0002883079,0.0000765865,0.00006446437,0.00004041262],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.2312387,"threshold_uncertainty_score":0.8446658,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01739242469647542,"score_gpt":0.2926883650869379,"score_spread":0.2752959403904625,"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."}}