摘要
多年冻土区昆仑山隧道浅埋段出现渗漏水后,浅埋段的地温特征成为治理病害的重要依据之一。根据2004年3～5月份的地质观测资料,分析浅埋段的地温特征,并采用数值模拟技术,追溯隧道工程施工前的地温状态,从而得出该隧道浅埋段2#冲沟存在一个未被冻结的通道;隧道工程对周边地温产生较大影响;最大冻结深度约10 m,最大融化深度不超过4 m。
Since water seepage comes out of Kunlun Mountain tunnel at a valley, understanding the ground temperature at the valley is one of the most important things to treat the disease. The ground temperature is studied; it is traced back before tunneling by numerical simulation on the basis of geological observation information from March to May, 2004. So it is educed as follows： （1） there is an unfrozen channel underground the valley; （2） the ground temperature around the tunnel is affected by tunneling; （3） the maximum frozen depth is about 10 m; and the maximum thawing depth is not over 4 m.
出处
《岩土力学》
EI
CAS
CSCD
北大核心
2007年第11期2396-2400,共5页
Rock and Soil Mechanics
基金
铁道部重点项目(No.2001G001-E-03)
关键词
多年冻土
地温
数值模拟
permafrost
ground temperature
numerical simulation
