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利用有限差分法分析研究结果:在高温冻土地区,典型3 m高路基、保温板路基在50年后不能保证路基的热稳定性;铺设保温板加热棒的复合路基能够有效保证路基的热稳定性,建议采用。
Finite difference method is used to analyze the research results. In the permafrost region, the typical subgrade with 3 m height and insulation board can not guarantee the thermal stability of subgrade after 50 years. Laying the composite subgrade with insulation board heating rod can effectively ensure the thermal stability of subgrade Sexuality, recommended.