Inclination Cause for Airlift Upsidedown Erection of Tank in Frigid Zone

The erection of oil tank is basically adopted with the airlift upsidedown erection method in northeastern China. However, tank often inclines with this method due to the temperature difference. The site investigation shows that the main inclination cause is the heavy temperature difference in the period of erection, and the measures to eliminate the inclination and the treatment method to be adopted when inclination takes place are given in the paper.