| 止浆塞外塞胶料的设计及优化 |
| Design and Optimization of Compound for Outer Part of Stop-grouting Plug |
| 投稿时间：2022-09-22 修订日期：2022-09-22 |
| DOI：10.12136/j.issn.1000-890X.2024.04.0281 |
| 中文关键词: 止浆塞 外塞 胶料 密封性能 优化设计 有限元分析 |
| 英文关键词: stop-grouting plug out part compound sealing performance optimization design finite element analysis |
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| 中文摘要: |
| 设计一种新型具有密封和排气功能的止浆塞，采用有限元方法对止浆塞的实际工作状态进行数值模拟分析，对外塞胶料进行优化。结果表明：随着止浆塞外塞胶料的硬度的减小，止浆塞的密封性能提高；综合考虑密封性能和成本，确定止浆塞外塞采用邵尔A型硬度为40度的天然橡胶胶料。。 |
| 英文摘要: |
| A new type of stop-grouting plug with sealing and exhausting functions was designed，and numerical simulation analysis of the actual working state of the stop-grouting plug was carried out using the finite element method to optimize the compound of the outer part of the stop-grouting plug.The results showed that as the hardness of the compound for the outer part of the stop-grouting plug decreased，the sealing performance of the stop-grouting plug was improved.Taking into account both sealing performance and cost，it was determined that the outer part of the stop-grouting plug was made of NR compound with a Shore A hardness of 40 degrees. |
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