Impact Behaviour of RC Beam Using Lattice Model with Discrete Representations of Reinforcements
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Bibliographic record
Abstract
Concrete structures are subjected to various types of impact loads both in fabrication and maintenance stages There have been performed various studies on the impact behaviour of reinforced concrete (RC) beams in experimental [2]-[4] and numerical [3]-[7] areas. For simulations, it have been developed irregular lattice typed dynamic models for simulating failure behaviour of concrete and RC structures under high loading rates [5]- In the model, meshes for concrete are discretized by Delaunay/Voronoi dual tessellations Due to the rate dependency of concrete on mechanical properties and failure modes, it is required to reflect the rate sensitive characteristics into the numerical models. Therefore, a rheological unit with a combination of springs and dashpots is introduced into the rigid-body-spring elements [5]- For dynamic analysis, the mechanical responses of the RC beams are calculated from an explicit time integration scheme. The reinforcing bars are modelled as a discrete representation of each reinforcing elements in a given geometry. Previously, two-dimensional semi-discrete reinforcing elements were developed and validated in dynamic analysis Thereafter, as a validation, the simulations on the impact behaviour of RC beams are conducted based on the experiments The simulated failure modes are shown to be in agreements with the experimental results. Based on this study, it will be continued the validation works through various benchmark examples in experimental and numerical works. Also, the influence of the bar distributions and reinforcement ratio on the failure behaviour of RC beams will be analysed for enhancing the impact-resistance design process of RC beams.
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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