{"id":"W4411607212","doi":"10.3390/ma18132990","title":"An Experimental Investigation on the Mechanical Performance of Engineered Cementitious Composites with Different Types of Steel Fibers","year":2025,"lang":"en","type":"article","venue":"Materials","topic":"Innovative concrete reinforcement materials","field":"Engineering","cited_by":4,"is_retracted":false,"has_abstract":true,"ca_institutions":"Toronto Metropolitan University","funders":"","keywords":"Materials science; Composite material; Toughness; Ultimate tensile strength; Ductility (Earth science); Flexural strength; Cementitious; Fiber; Compressive strength; Cracking; Volume fraction; Strain hardening exponent; Cement; Creep","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":[0.0001354884,0.0001280772,0.0002291936,0.00007355714,0.00002666318,0.00002553466,0.0001257001,0.00003659736,0.0002382504],"category_scores_gemma":[0.000005782494,0.00008448208,0.00001342351,0.00009153256,0.00004989354,0.00007279626,0.00002158241,0.00002587636,0.000002568127],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00003830493,"about_ca_system_score_gemma":0.000008363821,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000005371199,"about_ca_topic_score_gemma":3.310847e-7,"domain_scores_codex":[0.999332,0.00004081312,0.0003082206,0.00008388436,0.000128544,0.0001065825],"domain_scores_gemma":[0.9996498,0.00002993493,0.00007010301,0.0001891859,0.00004732276,0.00001363072],"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":[0.00008290803,0.00001039531,0.00005377524,0.0001837952,0.0000611372,1.349721e-7,0.0001566822,0.002486109,0.9844835,0.01243295,0.00003885859,0.000009741757],"study_design_scores_gemma":[0.0002852951,0.0003200024,0.0006380904,0.0001768037,0.00001598588,2.257055e-7,0.00005417323,0.002075943,0.9963146,0.00002242687,0.00001559292,0.00008090235],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9987562,0.00001218606,0.0002068355,0.00001609867,0.0002531786,0.0002935609,0.00003590012,0.00005186163,0.000374229],"genre_scores_gemma":[0.999647,0.000004571728,0.0001659983,0.00003325578,0.00001877735,0.00004336881,0.00004985542,0.00001369376,0.00002345493],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.01241052,"threshold_uncertainty_score":0.3445079,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01240429039132296,"score_gpt":0.2125396762346158,"score_spread":0.2001353858432928,"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."}}