Construction method of rolling model for coarse aggregate compaction
By constructing an initial density barrel model and adjusting the refinement parameters, and replacing the roller with a vibrating plate of equivalent load, the problem of balancing computational efficiency and accuracy in coarse-grained material compaction models was solved, achieving efficient numerical simulation and accurate simulation results, applicable to different types of coarse-grained material samples.
CN121637940AActive Publication Date: 2026-03-10中国水电建设集团十五工程局有限公司 +2
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-11-19
- Publication Date
- 2026-03-10
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Figure CN121637940A_ABST
Abstract
The invention discloses a construction method of a rolling compaction model for coarse aggregate compaction, the rolling compaction model is constructed through a process of prototype replication, refined adjustment and parameter calibration, the rolling compaction model is compared with a field experiment, the simulation effect of the constructed rolling compaction model is verified, and the rolling compaction model is used for researching the compaction process of gravel materials under pressure. According to the method, a PFC numerical rolling model is built based on a typical sand-gravel material rolling test in reality, mesoscopic parameters are adjusted through system comparison, parameter calibration is carried out, the rolling model giving consideration to both calculation precision and calculation efficiency is built, numerical simulation is converted from qualitative analysis to quantitative analysis, and the calculation efficiency is improved. Defects caused by field condition limitation can be effectively made up, and the device can be applied to further research on the vibration rolling characteristics of the sand-gravel materials.
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Citation Information
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