青藏铁路多年冻土区旱桥桩基沉降病害及其治理启示

陈继, 党海明, 美启航, 侯鑫, 王进昌, 杨林

Settlement diseases of land-bridge piles in the Qinghai-Tibet Railway and inspiration from its treatment

Ji CHEN, Haiming DANG, Qihang MEI, Xin HOU, Jinchang WANG, Lin YANG

图3 6#墩累计沉降变形过程 注：热棒1、热棒2、热棒3分别表示第一、二、三次采用热棒措施。

Fig.3 The accumulated settlement deformation process of Pier No.6 Note： thermosyphon 1， thermosyphon 2， and thermosyphon 3 indicate that the first， second and third thermosyphon measures are used， respectively.