重庆电厂扩建2台20万千瓦机组合用一根单筒钢筋混凝土烟囱,采用无井架液压滑模施工。为有效地进行质量控制,对施工偏差、日照温差等作了大量检测,积累了一些经验及可供分析的数据,现简要介绍如下; Chongqing Power Plant expanded two sets of 200,000-kilowatt machines to use a single-cylinder reinforced concrete chimney, using a hydraulic frameless construction with no derrick. In order to effectively carry out quality control, a large number of tests have been conducted on construction deviations, temperature differences in sunshine, etc., and some experience and data available for analysis have been accumulated. These are briefly described as follows;