Modelling Post-and-Beam Wooden Buildings under Seismic Loads
Why this work is in the frame
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Bibliographic record
Abstract
This paper presents a nonlinear finite element structural model — "PB3D" to simulate the seismic response of Japanese post and beam (P&B) wooden buildings. A versatile mechanics-based "pseudo nail" wall model is used to represent the nonlinear load-drift characteristics of the shear walls under lateral loads. The roof/floor diaphragms are modeled as structural frames with equivalent diagonal bracings to consider the influence of the roof/floor in-plane stiffness on the lateral force distribution among the walls. This approach significantly reduced the overall system degrees-of-freedom while allow the model to represent the key characteristics of the system under lateral loads. Experimental studies on shear walls and floor diaphragm were conducted to calibrate the wall models and the equivalent floor diaphragms. The model prediction agrees well with the shake table test results of a single-storey P&B building. The "PB3D" model provides an efficient tool to evaluate the seismic performance of general Japanese P&B wooden buildings.
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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