{"id":"W4416432323","doi":"10.1016/j.engstruct.2025.121810","title":"Enhancing shear performance in UHPC beams through strategic fiber and stirrup integration","year":2025,"lang":"en","type":"article","venue":"Engineering Structures","topic":"Innovative concrete reinforcement materials","field":"Engineering","cited_by":1,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University","funders":"Grant Foundation; PNC Foundation; American Concrete Institute; American Concrete Institute Foundation","keywords":"Stirrup; Shear (geology); Reinforcement; Fiber; Transverse plane; Shear stress","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":[0.0001390897,0.0002059876,0.000227847,0.0002055313,0.00003034591,0.00008750316,0.0001031204,0.00009504794,0.00007486616],"category_scores_gemma":[0.00004201289,0.0001968934,0.00001815702,0.0003324386,0.00001793763,0.0002524976,0.00003300965,0.0002011218,0.00000440188],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00008999911,"about_ca_system_score_gemma":0.00001523151,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00001132366,"about_ca_topic_score_gemma":8.850193e-7,"domain_scores_codex":[0.9991378,0.000009471726,0.0003400953,0.0001618692,0.0001096575,0.0002411407],"domain_scores_gemma":[0.9997266,0.00004623278,0.00002272595,0.0001542893,0.00003260173,0.00001754468],"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":[0.000006904258,0.000001133884,0.0001422588,0.0004889473,0.00004634035,0.000002940292,0.0004663762,0.8211497,0.1473619,0.02804977,0.00005794115,0.002225779],"study_design_scores_gemma":[0.000640776,0.00004750673,0.0278057,0.0005072906,0.00001696636,0.000006842817,0.0001345863,0.1814922,0.783562,0.002032858,0.003186735,0.0005665788],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9678958,0.0003081147,0.02750831,0.00001797308,0.0005398954,0.0001773474,0.000003972737,0.0001994173,0.003349155],"genre_scores_gemma":[0.9940511,0.00005021289,0.005621632,0.00002713886,0.00006021036,0.00001847217,0.00001310349,0.00002313191,0.0001350259],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6396576,"threshold_uncertainty_score":0.8029081,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.007707980716093298,"score_gpt":0.22140292324503,"score_spread":0.2136949425289367,"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."}}