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对比分析了岛状多年冻土区L型热棒加设直插型热棒与单一的直插型热棒在一定距离与深度的地温,发现L型加设热棒试验段路基的降温效果好于单一直插型热棒,这将对今后的东北地区及低纬度、高海拔地区的道路建设与养护提供依据和技术支持。
The ground temperature of L-shaped hot-rod in island-shaped permafrost region with straight hot rod and single hot rod at a certain distance and depth was compared and analyzed. It was found that the cooling effect of subgrade on L-shaped hot rod test section was good In a single-line hot rod, which will provide the basis and technical support for future road construction and maintenance in Northeast China and low latitudes and high altitudes.