Selecting Moduli Reduction and Damping Curves Based on Cone Penetration Test Soil Behaviour Type
Bibliographic record
Abstract
A ground response analysis is performed to evaluate site-specific seismic ground motions. The seismic cone penetration test can be used to obtain shear wave velocity profiles and estimate unit weight profiles for ground response analyses. These analyses also require selection of normalized moduli reduction curves and damping curves. These are often selected from published curves for different soil types including gravels, sands, and clays with different plasticity indices. In this paper we examined if the cone penetration test soil behaviour type index, IC, could be used to inform the selection of published normalized moduli and damping curves. We compiled a set of published curves and cone penetration test (CPT) results in known soil units. We observed that the soil-behaviour-type index from the CPT could be correlated to the shape parameters for normalized moduli and damping reduction curves. The CPT penetration resistance can also be used to estimate the friction angle and limiting shear stress. CPT results can be used to add support to the selected parameters for ground response analyses.
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How this classification was reachedexpand
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 | 0.001 |
| 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 itClassification
machine, unvalidatedMachine predicted; a candidate call from one teacher head, not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".