【摘要】 青藏公路多年冻土地区路基病害是制约青藏地区道路发展的一个重要问题。热棒是治理多年冻土路基病害的重要措施,热棒路基的工作效果与热棒的自身参数、埋深、埋设间距等有很大的关系。通过热棒路基的各个参数与施工要素的影响分析,提出了热棒路基设计原则和方案。更多还原

【Abstract】 The subgrade diseases of Qinghai-Tibet Highway in permafrost region is the important problem constraining the road development in Qinghai-Tibet Area.Heat pipe is the key measures dealing with the subgrade diseases in permafrost region that its working effect relates to the own parameters,the depth and spacing of embedment to a large extent.Through analysis on the effect of heat pipe subgrade on its parameters and construction factors,the design principle and scheme thereof are suggested.更多还原