{"id":"W4414279755","doi":"10.1515/rams-2025-0141","title":"A comprehensive review: The impact of recycling polypropylene fiber on lightweight concrete performance","year":2025,"lang":"en","type":"article","venue":"REVIEWS ON ADVANCED MATERIALS SCIENCE","topic":"Innovative concrete reinforcement materials","field":"Engineering","cited_by":0,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Waterloo","funders":"","keywords":"Cementitious; Foundation (evidence); Flexural strength; Polypropylene; Fiber; Durability; Compressive strength; Reinforcement","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":[0.001447258,0.0003697254,0.0009407784,0.0002007448,0.0001830699,0.00006395877,0.0006999921,0.00004559303,0.0004226351],"category_scores_gemma":[0.0003292195,0.0002142645,0.0001260369,0.001177743,0.0003223585,0.0003305789,0.0001078726,0.0001269322,0.0002648538],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0002342786,"about_ca_system_score_gemma":0.00008685858,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.000003785324,"about_ca_topic_score_gemma":2.28404e-8,"domain_scores_codex":[0.9976449,0.0001309718,0.001065161,0.0003609134,0.0003329068,0.0004651509],"domain_scores_gemma":[0.9983479,0.0001389204,0.0003673997,0.0008261205,0.0002666801,0.00005296142],"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":[0.00004574746,0.000002137934,0.000001816128,0.002475702,0.00001758171,5.230094e-7,0.00001830271,0.001189005,0.9807734,0.0004407802,0.001189306,0.01384572],"study_design_scores_gemma":[0.0002333955,0.00019423,0.0001275618,0.01373087,0.00001874123,0.000002066475,0.000002323796,0.0001791845,0.9041801,0.00002108364,0.08108494,0.0002254803],"study_design_candidate":"bench_or_experimental","study_design_consensus":"bench_or_experimental","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9438976,0.04349586,0.00006918506,0.00014578,0.001283661,0.00272617,0.00005186571,0.000142836,0.008187012],"genre_scores_gemma":[0.6095471,0.3870144,0.001115802,0.001479745,0.0001000491,0.0003166501,0.00001802439,0.00004450665,0.0003637852],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.3435185,"threshold_uncertainty_score":0.8737453,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01945847930522512,"score_gpt":0.3152017048532855,"score_spread":0.2957432255480604,"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."}}