多年冻土开挖工艺及措施

Excavation Technology and Measure Study of Permafrost

多年冻土的开挖技术,对石油、水利、通讯、建筑等国民经济建设和国防建设都有重大意义。本文结合青海省在公路建设过程中对多年冻土进行开挖的实践经验来介绍其开挖的工艺工法、具体方案、注意事项以及处理措施,为类似的高原冻土地区工程施工提供有效参考。

The excavation technology of permafrost has great significance to the national economic construction and national defense construction,such as petroleum,water conservancy,communications and construction. This paper combines the practical experience of inevitable excavation of permafrost during the highway construction process of Qinghai Province due to various reasons,to introduce the excavation method,concrete scheme,precautions and treatment measures,providing effective reference for engineering construction of similar plateau permafrost regions.