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首页> 外文期刊>Coatings >Optimization Study of Fluffy Materials Flocking Drainage Pipes to Resist Blockage Based on MD Binding Energy
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Optimization Study of Fluffy Materials Flocking Drainage Pipes to Resist Blockage Based on MD Binding Energy

机译：蓬松材料植入排水管的优化研究抵抗基于MD绑定能量的阻塞

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Drainage pipe blockage resulting from crystals is one of the causes for cracking and leakage of tunnel lining. Therefore, effective prevention from drainage pipe blockage caused by crystals is crucial to ensure the safety and stability of lining structures during the operation of tunnel drainage system. Based on a large number of indoor model tests and numerical simulation analyses, binding energy between four materials and the calcium carbonate aqueous solution (“solid liquid” system) and that between the four materials and the two typical growth crystals of calcium carbonate (“solid solid” system) were studied. The research results indicated that: (1) The four materials all had an adsorption effect on the calcium carbonate aqueous solution system, and the PA6 had the greatest adsorption effect while the PP had the smallest adsorption effect; (2) There was spontaneous adsorption between the PVC or PA6 and the two typical growth crystals of calcium carbonate and no adsorption between the PP or SiC and the two typical growth crystals of calcium carbonate unless external energy was in place; (3) The PP and SiC can be used as the materials for drainage pipe flocking, but it shall be ensured that the fluffy material has a good geometrical property. The prevention technology for crystallization that causes drainage pipe blockage fills the gap in the research of drainage pipe blockage caused by crystals, which can reduce the maintenance cost for the operation of the tunnel drainage system and ensure safe and normal operation of the tunnel.
机译：晶体产生的排水管堵塞是隧道衬砌裂缝和泄漏的原因之一。因此，通过晶体引起的排水管堵塞有效预防至关重要，以确保在隧道排水系统的运行过程中衬里结构的安全性和稳定性。基于大量的室内模型测试和数值模拟分析，四种材料和碳酸钙水溶液之间的结合能量（“固体液体”系统），四种材料与碳酸钙的两个典型生长晶体之间（“固体研究了固体“系统”。研究结果表明：（1）四种材料全部对碳酸钙水溶液系统具有吸附作用，PA6具有最大的吸附效果，而PP具有最小的吸附效果; （2）PVC或PA6与碳酸钙的两个典型生长晶体和碳酸钙的两个典型生长晶体之间存在自发吸附，除非外部能量，除非外部能量，否则PP或SiC与碳酸钙的两个典型生长晶体之间; （3）PP和SIC可用作排水管植绒的材料，但应确保蓬松材料具有良好的几何特性。导致排水管堵塞的结晶防治技术填补了晶体引起的排水管堵塞研究中的差距，这可以降低隧道排水系统运行的维护成本，确保隧道的安全和正常运行。

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