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闻名于世的青藏公路自1973年开始按二级公路标准改建,到1985年竣工交付使用后,由于自然因素、冻土问题和其他原因等,使格尔木至拉萨段路基、路面和桥涵构造物陆续出现不同程度的变形和损坏,直接影响到这条大动脉的正常运输。国家决定从1992年开始对青藏公路进行一期整治。任务历史性地再次落到了曾两次征战“天路”的青海省路桥公司身上。在平均海拔4500米以上的北麓河至
The world-famous Qinghai-Tibet Highway has been rebuilt according to the secondary road standards since 1973. After it was completed and delivered to use in 1985, due to natural factors, frozen soil problems and other reasons, the subgrade, pavement and bridge and culvert structures from Golmud to Lhasa gradually There are different degrees of deformation and damage, a direct impact on the normal transport of this artery. The state decided to start a remediation of the Qinghai-Tibet Highway from 1992 onwards. The mission once again fell to the history of Qinghai Province Road and Bridge Company who had twice “Tianlu” campaign. In the average elevation of 4500 meters above the Beiluhe to