{"id":"W4410988044","doi":"10.1016/j.engstruct.2025.120667","title":"Low-cost and ductile prestressed UHPC beams with hybrid reinforcement: Experiments and design methods","year":2025,"lang":"en","type":"article","venue":"Engineering Structures","topic":"Innovative concrete reinforcement materials","field":"Engineering","cited_by":8,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Natural Sciences and Engineering Research Council of Canada; Mitacs","keywords":"Reinforcement; Structural engineering; Prestressed concrete; 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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0001506616,0.0003233132,0.0002952327,0.0002044742,0.00006802182,0.0001283094,0.0001182414,0.00006391814,0.00004657901],"category_scores_gemma":[0.00005365427,0.0002899203,0.0000164581,0.0001744712,0.00005174851,0.0001951828,0.00006995465,0.0001368716,7.162128e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005360389,"about_ca_system_score_gemma":0.00001613643,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000006362994,"about_ca_topic_score_gemma":3.488703e-8,"domain_scores_codex":[0.9990149,0.0000238225,0.0002712443,0.0002390291,0.0001193272,0.0003316644],"domain_scores_gemma":[0.9995388,0.00008840083,0.0000368739,0.000233009,0.00003882916,0.00006404104],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"bench_or_experimental","study_design_scores_codex":[0.00004820629,0.000001711285,0.00002674857,0.0005230848,0.0002719465,0.000008959231,0.0002827916,0.7227033,0.2667858,0.004586376,0.000469816,0.00429128],"study_design_scores_gemma":[0.0006342157,0.00003786306,0.0005906103,0.0001439074,0.00002977261,0.00001151893,0.00002896088,0.06401592,0.9313442,0.0001000837,0.002747144,0.0003158657],"study_design_candidate":"bench_or_experimental","study_design_consensus":null,"genre_codex":"methods","genre_gemma":"empirical","genre_scores_codex":[0.1695424,0.0006640101,0.8276681,0.00001181369,0.000472561,0.0006357294,0.000008667353,0.0003685894,0.0006281019],"genre_scores_gemma":[0.9101013,0.00007456206,0.08939844,0.00004284826,0.00006239385,0.0001154353,0.00001861797,0.00005398176,0.0001324035],"genre_candidate":"empirical","genre_consensus":null,"teacher_disagreement_score":0.7405589,"threshold_uncertainty_score":0.9999553,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01056794290996553,"score_gpt":0.2622667383440713,"score_spread":0.2516987954341058,"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."}}