{"id":"W2034247034","doi":"10.1520/jte11901","title":"Toughness Characterization of Fiber-Reinforced Concrete: Which Standard to Use?","year":2004,"lang":"en","type":"article","venue":"Journal of Testing and Evaluation","topic":"Innovative concrete reinforcement materials","field":"Engineering","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of British Columbia","funders":"","keywords":"Toughness; Materials science; Composite material; Fiber; Fiber-reinforced concrete; Characterization (materials science); Reinforced concrete","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":{"n_in":0,"stratum":"aff_core","weight":5595.2375,"opus":{"tier":"OUT","genre":"empirical","about_ca":false,"confidence":"medium","reason":"Comparison of concrete toughness test standards; measurement standards in materials engineering, and the 'reproducibility' language is assay-level, a polysemy trap."},"gpt":{"tier":"OUT","genre":"empirical","about_ca":false,"confidence":"high","reason":"This compares concrete testing standards and measurement results, not research methods as a social or scholarly practice."},"grok":{"tier":"OUT","genre":"empirical","about_ca":false,"confidence":"high","reason":"Compares engineering materials-test standards for concrete toughness; object is construction materials testing, not research."}},"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.01262533,0.0006359523,0.0008071563,0.003347559,0.0006135365,0.0015403,0.001681558,0.0014038,0.002425754],"category_scores_gemma":[0.02499226,0.0002545849,0.0004169118,0.002241286,0.001080885,0.001645878,0.0009293545,0.0009675417,0.002069131],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.001434501,"about_ca_system_score_gemma":0.001521118,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003088508,"about_ca_topic_score_gemma":0.006858777,"domain_scores_codex":[0.9877647,0.003005884,0.001655443,0.0006864623,0.006665738,0.000221843],"domain_scores_gemma":[0.9763902,0.003176535,0.002457705,0.002149888,0.01518574,0.0006398988],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"design_other","study_design_gemma":"theoretical_or_conceptual","study_design_scores_codex":[0.0009682124,0.0006107237,0.09451652,0.001577278,0.0001255743,0.0003386542,0.001073118,0.004413642,0.3288614,0.01145867,0.02820865,0.5278476],"study_design_scores_gemma":[0.0001664595,0.002653676,0.2562769,0.003505717,0.0002581489,0.001541907,0.003853481,0.03472462,0.565698,0.01586154,0.1150438,0.0004157491],"study_design_candidate":"theoretical_or_conceptual","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"methods","genre_scores_codex":[0.5332331,0.01536138,0.3730537,0.009719211,0.001875796,0.001181746,0.005249512,0.004060068,0.05626556],"genre_scores_gemma":[0.7572297,0.004462021,0.2223511,0.001085405,0.0002786182,0.0006630463,0.003222379,0.000818557,0.009889137],"genre_candidate":"methods","genre_consensus":null,"teacher_disagreement_score":0.01262533,"threshold_uncertainty_score":0,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.04191160536735908,"score_gpt":0.2826180096221862,"score_spread":0.2407064042548271,"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."}}