本文结合激光技术在陕西秦岭电厂二期工程212/4φ4.2米四筒烟囱内外筒体滑模施工中的应用,提出在筒体结构滑模施工中采用激光对中,给滑升平台抄平,测量筒体扭转的方法,和给出测量数据,供有关施工单位参考。 In this paper, laser technology in Shaanxi Qinling Power Plant second phase engineering 212 / 4φ4.2 m four tube chimney sliding inner and outer cylinder formwork application, proposed in the cylinder structure sliding mode using laser alignment, to the sliding platform flat , Method of measuring cylinder torsion, and giving measurement data for reference by the contractor concerned.