{"id":"W2002525708","doi":"10.1115/ipc2008-64557","title":"The Practical Application of Fracture Control to Natural Gas Pipelines","year":2008,"lang":"en","type":"article","venue":"","topic":"Structural Integrity and Reliability Analysis","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"TransCanada (Canada)","funders":"","keywords":"Charpy impact test; Pipeline transport; Natural gas; Toughness; Fracture (geology); Liquefied natural gas; Fracture toughness; Pipeline (software); Limit load; Structural engineering; Materials science; Dry gas; Mechanical engineering; Engineering; Composite material; Finite element method","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":"codex-gemma-dda1882f352a","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.00007661113,0.00007103454,0.0001172097,0.00002188788,0.0000822451,0.000008558011,0.00009420343,0.00006498381,0.00003986488],"category_scores_gemma":[0.0001838099,0.00003786306,0.00007484338,0.0001459783,0.00005786839,0.00005388884,0.000007582526,0.0001988247,0.00003875071],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00001675964,"about_ca_system_score_gemma":0.000007206011,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0001004545,"about_ca_topic_score_gemma":0.00007724352,"domain_scores_codex":[0.9995056,0.00001526299,0.0001709051,0.00007984467,0.0001248752,0.0001034728],"domain_scores_gemma":[0.9993898,0.0002706747,0.00001819841,0.0001828676,0.0000995824,0.00003883314],"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":[0.0005901105,0.0001832803,0.01071453,0.0002360402,0.001181999,0.00001744265,0.002625297,0.5558215,0.1070446,0.02210201,0.2102226,0.08926062],"study_design_scores_gemma":[0.0004226866,0.00004657464,0.01896564,0.000008640588,0.000104003,0.0000725405,0.0003761464,0.7612044,0.04232669,0.001731933,0.1744339,0.0003068744],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.582009,0.0009534637,0.3789098,0.0331485,0.0005348223,0.0006436695,0.00001110047,0.0003838173,0.003405891],"genre_scores_gemma":[0.9979538,0.0000624841,0.00138949,0.0002903501,0.00009150446,0.00001012355,0.000002785152,0.000005102912,0.0001943946],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.4159448,"threshold_uncertainty_score":0.1544011,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.006884348377918394,"score_gpt":0.2470761825385312,"score_spread":0.2401918341606128,"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."}}