新藏公路新疆段冻土涵洞分析与设计

Analysis and Design of Culvert in Frozen Soil Area of Xinjiang Section of Xinjiang-Tibet Highway

以多年冻土地区桥涵的既有结构现状为出发点,从涵洞偏心、强度、基底应力计算等方面分析了该类涵洞的结构特点,并对基础埋深、结构稳定性设计、施工注意事项加以介绍,总结出多年冻土地区桥涵避免冻融危害的经验,可确保桥涵设计安全可靠。

From the present structure situation of culvert in frozen soil area, the structural characteristics were analyzed in aspects of culvert eccentricity, depth of foundation and structural stability in frozen soil area was summarized, which strength and base stress calculation. Through introducing the design of and construction cautions, the experience to avoid freeze-thaw damage can ensure that the design of bridge and culvert is safe and reliable.