{"id":"W2333641297","doi":"10.1139/l2012-074","title":"Measured natural periods of concrete shear wall buildings: insights for the design of Canadian buildings","year":2012,"lang":"en","type":"article","venue":"Canadian Journal of Civil Engineering","topic":"Seismic Performance and Analysis","field":"Engineering","cited_by":13,"is_retracted":false,"has_abstract":true,"ca_institutions":"McGill University; Centre Intégré Universitaire de Santé et de Services Sociaux du Saguenay–Lac-Saint-Jean","funders":"Natural Sciences and Engineering Research Council of Canada; Faculty of Engineering, McGill University","keywords":"Shear wall; Structural engineering; Natural frequency; Modal; Building code; Ambient vibration; Response spectrum; Superposition principle; Vibration; Torsion (gastropod); Seismic analysis; Modal analysis; Damping ratio; Normal mode; Structural system; Engineering; Mathematics; Finite element method; Materials science","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":true,"about_ca":true,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.0002807314,0.0005721655,0.0002239273,0.0009276934,0.0006393757,0.0006456151,0.0008846426,0.000201279,0.000766958],"category_scores_gemma":[0.001383058,0.0003076779,0.0002556537,0.0008997982,0.0005116572,0.0003175581,0.0002748147,0.0002519145,0.0001076331],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.008419639,"about_ca_system_score_gemma":0.005526235,"about_ca_topic_candidate":true,"about_ca_topic_consensus":true,"about_ca_topic_score_codex":0.8622202,"about_ca_topic_score_gemma":0.9161503,"domain_scores_codex":[0.9998124,0.00002718314,0.000008327109,0.00003872467,0.00007489612,0.00003844692],"domain_scores_gemma":[0.9997481,0.00006636412,0.00003914143,0.00002176532,0.00009781071,0.0000269225],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"simulation_or_modeling","study_design_gemma":"observational","study_design_scores_codex":[0.0001756694,0.0001029072,0.2844084,0.0001995808,0.0000483066,0.0002632131,0.001521141,0.5749663,0.03304253,0.00969071,0.00130795,0.09427317],"study_design_scores_gemma":[0.00001270771,0.00004907352,0.3399,0.00002199095,0.00002579866,0.00006393969,0.0006274093,0.6499066,0.00573739,0.001154893,0.00243092,0.00006934917],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9763781,0.0001419473,0.01654284,0.0001011164,0.00000323828,0.00003249821,0.0009780624,0.0001284536,0.005693774],"genre_scores_gemma":[0.9948223,0.0001057957,0.004282937,0.000003794178,0.000001293593,0.0000121377,0.0003665308,0.00001669806,0.0003884722],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.1377798,"threshold_uncertainty_score":0.2771823,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01385462852001585,"score_gpt":0.1861060815256659,"score_spread":0.17225145300565,"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."}}