{"id":"W2056724241","doi":"10.1115/jrc2010-36050","title":"Spiral Length Design","year":2010,"lang":"en","type":"article","venue":"","topic":"Railway Engineering and Dynamics","field":"Engineering","cited_by":3,"is_retracted":false,"has_abstract":true,"ca_institutions":"SNC-Lavalin (Canada)","funders":"","keywords":"Spiral (railway); Rotation (mathematics); Elevation (ballistics); Jerk; Acceleration; Mathematics; Geometry; Twist; Current (fluid); Physics; Mathematical analysis; Geodesy; Classical mechanics; Geology","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":[0.0009471601,0.001287792,0.0005918344,0.001997782,0.000813133,0.002166997,0.00147852,0.00098028,0.02693552],"category_scores_gemma":[0.005362113,0.0005818534,0.0008564632,0.001624886,0.0009320314,0.002181834,0.001198859,0.000729993,0.01027179],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001341861,"about_ca_system_score_gemma":0.001170872,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.001122411,"about_ca_topic_score_gemma":0.001257238,"domain_scores_codex":[0.9985545,0.0002265481,0.0001730345,0.0002715162,0.0006348448,0.0001394828],"domain_scores_gemma":[0.9973885,0.0005533244,0.0003292686,0.0003674515,0.001257212,0.0001042903],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"not_applicable","study_design_scores_codex":[0.000756692,0.0000729128,0.003650506,0.001412784,0.00006206048,0.0002788707,0.0004916196,0.03286435,0.04322251,0.1302048,0.02799791,0.758985],"study_design_scores_gemma":[0.0002421109,0.001738412,0.00395673,0.0007211394,0.000271838,0.00268422,0.0005069255,0.1361426,0.08747169,0.07480293,0.6911418,0.0003196462],"study_design_candidate":"not_applicable","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"methods","genre_scores_codex":[0.01510174,0.002458,0.8633938,0.000388504,0.0008918467,0.0003942053,0.0006925397,0.003893577,0.1127857],"genre_scores_gemma":[0.3769746,0.003275686,0.5494824,0.0006798489,0.000335103,0.0008614379,0.001656911,0.002509073,0.06422496],"genre_candidate":"methods","genre_consensus":"methods","teacher_disagreement_score":0.02693552,"threshold_uncertainty_score":0.09010828,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.00773209840216922,"score_gpt":0.1835978300238405,"score_spread":0.1758657316216713,"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."}}