摘要
随着青藏铁路建设工作的开展,寒区冻土工程日益受到重视。本文结合青藏铁路沿线多年冻土的主要特点,利用Ansys5.7大型有限元计算程序,对多年冻土区昆仑山隧道施工过程中地温场进行了模拟计算,分析了高原冻土隧道施工过程中围岩温度场的变化规律,并据此对多年冻土区隧道施工过程中的有关问题进行讨论,所得成果可供相应工程借鉴。
With the fulfillment of the Qinghai-Tibet Railway construction,construction in cold regions is attracting more and more attention. Based on the characteristics of permafrost in the plateau,simulating calculation about the ground temperature during the Kunlunshan tunnel construction is made by finite element program Ansys5.7. The laws of the ground temperature field of the surrounding rock changing during the tunnel construction in the plateau are analyzed in this paper. According to the results, some problems, which are related to the construction of the tunnel in permafrost, are discussed. Then, some significant results are presented ,which can provide reference for similar projects.
出处
《国防交通工程与技术》
2003年第4期42-45,共4页
Traffic Engineering and Technology for National Defence
