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青藏铁路保护多年冻土的施工方法很多,主要有通风路堤、通风管路堤、热棒、保温隔热层,以桥代路等,具体阐述保护高原多年冻土的施工技术。
There are many construction methods for protecting permafrost on the Qinghai-Tibet Railway, including ventilation embankments, ventilation pipe embankments, hot rods, thermal insulation and insulation, and Qiaobian Road. The construction technologies for protecting permafrost on the plateau are described in detail.