多年冻土区钻孔灌注桩基础早期热稳定性研究现状与展望

侯鑫, 杨斌, 陈继, 赵静毅, 芮鹏飞

The status and review of early thermal stability of cast-in-place pile foundations in permafrost regions

Xin HOU, Bin YANG, Ji CHEN, Jingyi ZHAO, Pengfei RUI

图2 北麓河站房屋冷却液降温方案［77］

Fig.2 Artificial cooling measures using coolant in Beiluhe Station House［77］： diagrammatic sketch of the cooling test （a）； photo of the cooling test （b）； temperature of test pile foundation and contrast pile foundation at 4.5 m depth after cooling test （c）