{"id":"W4328142211","doi":"10.1016/j.engstruct.2023.115983","title":"Seismic response evaluation of spring-based piston braced frames by employing closed-loop dynamic (CLD) testing","year":2023,"lang":"en","type":"article","venue":"Engineering Structures","topic":"Seismic Performance and Analysis","field":"Engineering","cited_by":9,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of British Columbia, Okanagan Campus; University of British Columbia","funders":"","keywords":"Bracing; Structural engineering; Buckling; Finite element method; Piston (optics); Dynamic testing; Engineering; Braced frame; Frame (networking); Computer science; Brace; Mechanical engineering","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":["metaepi_narrow"],"consensus_categories":[],"category_scores_codex":[0.0006600461,0.00026737,0.0002907137,0.0004943478,0.00006982533,0.00003568105,0.0002116516,0.0001251238,0.00002735639],"category_scores_gemma":[0.0004527355,0.0002866547,0.00009850023,0.0009892512,0.00002402037,0.0001314127,0.00002627838,0.0002547691,0.00001309294],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001664002,"about_ca_system_score_gemma":0.00005087735,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.00006847884,"about_ca_topic_score_gemma":0.000002260601,"domain_scores_codex":[0.9984956,0.00004237137,0.0003568974,0.0002401426,0.0004878225,0.0003772018],"domain_scores_gemma":[0.9991775,0.0002659964,0.00006672506,0.0003344005,0.00009059373,0.00006474473],"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":[0.00001293727,0.000002671556,0.0006203411,0.00009749915,0.00006237475,0.000001681657,0.00008884635,0.8722553,0.1219764,0.000002703582,0.0002361169,0.004643076],"study_design_scores_gemma":[0.0003754306,0.00002193942,0.04765874,0.00009767276,0.0000833735,0.000001828463,0.00003648267,0.921546,0.02963008,0.00005234333,0.0002264129,0.0002697379],"study_design_candidate":"simulation_or_modeling","study_design_consensus":"simulation_or_modeling","genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9835691,0.0005140612,0.0144023,0.00004090647,0.0002981176,0.0001398215,0.00002437028,0.0009856457,0.00002561413],"genre_scores_gemma":[0.9980674,0.00001251841,0.001670556,0.00002624111,0.00004830159,0.00002603825,0.00003845373,0.00008238642,0.00002811287],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.09234634,"threshold_uncertainty_score":0.9999586,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01332860011608368,"score_gpt":0.2526969192878006,"score_spread":0.2393683191717169,"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."}}