ANALYTICAL AND NUMERICAL INVESTIGATION OF THE SITE RESPONSE PERIOD IN THE SAGUENAY REGION, EASTERN CANADA
Why this work is in the frame
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Bibliographic record
Abstract
Soils' local geological and geotechnical properties may lead to sharp variations of seismic shaking and structural damage at small distances. These so-called seismic site effects significantly impact the amplitude and frequency components of the ground motion. Key site effect parameters are the shear wave velocity of soils (Vs), indicating the material stiffness, and the fundamental vibration period (To), a function of Vs and thickness of the soil units (H) given approximately as To=4H/Vs. This quarter wavelength method often underestimates To values as the nonlinear soil behavior during earthquakes, where stiffness degradation increases the site period, is not accounted for. The present study applies the multi-layered method by Hadjian (2001) and empirical correlations developed with the single-layer approach to calculate To. The Saguenay Lac-Saint-Jean region (SLSJ) was selected as the study area. It is characterized by moderate seismic activity and complex Quaternary stratigraphy, including stiff glacial sediments, and soft Laflamme Sea deposits with recent alluvial plains on top, exhibiting a strong impedance contrast with the underlying crystalline bedrock. Numerical analyses also examined the effects of the soil nonlinearity on To establishing their correlation for different hazard levels according to NBCC 2020 guidelines.
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Full frame distilled prediction
Teacher imitationNot 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.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.000 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.000 | 0.000 |
| Bibliometrics | 0.000 | 0.000 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
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.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it