摘要
本文介绍了用涡流加热的方法更换铁路隧道螺旋道钉的技术 .该方法较好地解决了目前我国铁路部门螺旋道钉难以更换的问题 .
The method described in this article is a relatively good solution to overcome the present difficulties in the replacement of the screw spikes for the present railway system of our country.
关键词
螺旋道钉
硫磺锚固
铁路隧道
感应加热
screw spikes
sulphur cementing fixation
high frequency power
heating coil
