鸿宝化工的轨枕压缩模量为18.2MPa，模拟老化后升至21.PE/PS轨枕与木质轨枕(枕木)不同，表现为新枕木安装在碎石的铁路路基上后，驶过枕木的火车会把枕木压入碎石，形成凹坑固定枕木，而塑料轨枕不容易形成凹坑，为此，鸿宝对轨枕侧面和底部进行压花工艺处理，使轨枕能“抓住”碎石。令人感到奇怪的是，塑料轨枕的机械性能随时间延长而提高，鸿宝的轨枕压缩模量为18.2MPa，模拟老化后升至21.7MPa，而木质枕木起始值为22.4MPa，模拟老化后大幅跌至7MPa.
Hong bao chemical sleeper compression modulus is 18.2 MPa, simulation to 21 after aging. PE/PS sleeper with wooden sleeper (tie), show the new tie after installation on the railway roadbed gravel, passing the sleeper train take sleepers into rubble, form a fixed sleepers, and plastic sleeper is not easy to form, to this end, hong bao to embossing process of sleeper on the side and bottom, the sleeper to "grab" gravel. Surprise is that with the extension of time on the mechanical properties of the plastic sleeper, hong bao sleeper compression modulus is 18.2 MPa, simulate aging after 21.7 MPa, and wooden sleepers starting value is 22.4 MPa, simulating aging fell sharply after 7 MPa.
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