{"id":"W1996600401","doi":"10.1016/j.jappgeo.2006.04.003","title":"Numerical simulation of attenuation and group velocity of guided ultrasonic wave in grouted rock bolts","year":2006,"lang":"en","type":"article","venue":"Journal of Applied Geophysics","topic":"Ultrasonics and Acoustic Wave Propagation","field":"Engineering","cited_by":40,"is_retracted":false,"has_abstract":false,"ca_institutions":"Dalhousie University","funders":"","keywords":"Attenuation; Grout; Rock bolt; Waveform; Ultrasonic sensor; Steel bar; Bar (unit); Geology; Acoustics; Geotechnical engineering; Amplitude; Structural engineering; Engineering; Physics; Optics","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":[0.0001772082,0.00009713296,0.0002613998,0.00008382929,0.00001413041,0.000008245296,0.00004736692,0.00007033681,0.00000276194],"category_scores_gemma":[0.0000199957,0.00009486012,0.00004632137,0.000224356,0.00001408971,0.000104565,0.000006757061,0.0001593624,5.915107e-7],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.00005309949,"about_ca_system_score_gemma":0.00001648787,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00002059841,"about_ca_topic_score_gemma":0.000001904613,"domain_scores_codex":[0.9990283,0.00001043886,0.0005661621,0.00006888412,0.000220443,0.000105762],"domain_scores_gemma":[0.9993533,0.0001210968,0.0003169045,0.00006761005,0.0001162259,0.00002485972],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.00003551877,0.0000715568,0.0002523053,0.00007672665,0.00001895107,8.661867e-7,0.0001441483,0.8546171,0.1394867,0.0007122811,0.00001861501,0.004565244],"study_design_scores_gemma":[0.0009764453,0.00007399524,0.06996117,0.00006150198,0.00004256331,0.000003757512,0.00005543202,0.8960305,0.02184387,0.01081847,0.00001304696,0.0001192156],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.8706106,0.00004182795,0.1289658,0.000008380644,0.00005140122,0.00009018192,0.000004052879,0.000007432913,0.0002203347],"genre_scores_gemma":[0.9973955,0.00002282672,0.002449741,0.000004687887,0.0001003234,0.000001160825,0.00001097275,0.00001350428,0.000001290283],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1267849,"threshold_uncertainty_score":0.3868284,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.008030522671461305,"score_gpt":0.2009131441206575,"score_spread":0.1928826214491962,"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."}}