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Record W2313901096 · doi:10.1061/41130(369)284

Monitoring of Tall Buildings to Assist the Design of Supplementary Damping Systems

2010· article· en· W2313901096 on OpenAlex

Why this work is in the frame

A frame that forgets how it found something cannot be audited. These are the routes that admitted this work.

affAt least one author lists a Canadian institution in the pinned OpenAlex snapshot.

Bibliographic record

VenueStructures Congress 2010 · 2010
Typearticle
Languageen
FieldEngineering
TopicStructural Health Monitoring Techniques
Canadian institutionsMcMaster UniversityQueen's UniversityWestern University
Fundersnot available
KeywordsVibrationStructural systemDamping ratioComputer scienceStructural engineeringVibration controlEngineeringAcousticsPhysics

Abstract

fetched live from OpenAlex

Unlike visco-elastic and hydraulic damping systems, which are effective over a broad band of frequencies, TLDs, TLCDs and TMDs are tuned systems whose design requires accurate information on the periods of vibration of the building. The effectiveness of such devices is therefore much improved if they are tuned to the "as-constructed" periods of vibration which can differ appreciably from analytical estimates. Full-scale monitoring of a tall building towards the end and/or after the completion of construction provides valuable information on the "as-constructed" dynamic properties. Measured periods of vibration provide an important input to finalize the design of tuned supplementary damping systems. The effectiveness of such damping systems in reducing wind-induced building motions to acceptable levels also depends on good estimates of the inherent structural damping. Nominal values of the likely structural damping are used in the design of tall buildings. These can differ from the structural damping actually achieved for a constructed building. Consequently, measured values of the structural damping provide a valuable input for sharpening the estimated performance of the building under the action of wind. This paper summarizes monitoring procedures used at the BLWTL and provides examples of information obtained in such studies. Information from such monitoring is often for small amplitude motions and its applicability during stronger wind events requires interpretation. This requires interaction with the structural engineers. This early information on the `as-built' dynamic properties of a tall building is important for assuring effective operations of tuned supplementary damping systems.

Fetched live from OpenAlex and de-inverted. Abstracts are not stored in this database: the inverted indexes are 8.6 GB of the frame’s 9.3 GB of text, and the host has 13 GB free.

Full frame distilled prediction

Teacher imitation

Not calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.

metaresearch head score (Codex)0.000
metaresearch head score (Gemma)0.000
Version: codex-gemma-dda1882f352aValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Bench or experimental · Consensus signal: Bench or experimental
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.078
Threshold uncertainty score0.750

Codex and Gemma teacher scores by category

CategoryCodexGemma
Metaresearch0.0000.000
Meta-epidemiology (narrow)0.0000.000
Meta-epidemiology (broad)0.0000.000
Bibliometrics0.0000.000
Science and technology studies0.0000.000
Scholarly communication0.0000.000
Open science0.0010.000
Research integrity0.0000.001
Insufficient payload (model declined to judge)0.0000.000

Machine scores (provisional)

The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.

Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.

Opus teacher head0.023
GPT teacher head0.292
Teacher spread0.269 · how far apart the two teachers sit on this one work
Validation statusscore_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it