摘要
分析了在多年冻土地带修筑的铁 (公 )路路基被破坏的原因 ,提出了对路基采取保温的防治措施 。
This article analyzed the reason why the road built in the perennial frozen earth is destroyed. The method to preserve the roadbed with heat insulation material put forward, the practical technics to use rigid polyurethane foam on the roadbed which built in the perennial frozen earth are introduced.
出处
《聚氨酯工业》
2002年第1期45-47,共3页
Polyurethane Industry
