在众多的保护多年冻土工程措施中，通风管路基是一种积极保护冻土的工程措施。
In the multitudinous protection permafrost project measure, the ventilation embankment is one kind protects the frozen earth positively the project measure.
块石的粒径、孔隙率、通风能力直接影响块石路基的空气对流作用。
The diameter, porosity and ventilating ability of the block stones pile had important influences on air convection effects.
为探索透壁通风管在青藏铁路路基中的实际作用效果而进行了青藏铁路透壁通风管路基初步试验。
In order to study the roadbed cooling effect of the perforated ventilation pipes, a comparative experiment has been conducted with both ordinary and perforated ventilation pipes.
目前的路基通风一般采用路基内预埋实体混凝土管或PVC管，管壁不能透风，主要通过管内空气流动和热传导方式达到冷却路基的目的。
At present, the ventilation pipes are generally made by concrete or PVC without holes on the pipe walls, whose cooling effects are realized by airflow and heat transference.
目前的路基通风一般采用路基内预埋实体混凝土管或PVC管，管壁不能透风，主要通过管内空气流动和热传导方式达到冷却路基的目的。
At present, the ventilation pipes are generally made by concrete or PVC without holes on the pipe walls, whose cooling effects are realized by airflow and heat transference.
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