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(一)概况在水利工程施工中,为了加快工程进度,保证工程质量,大量采用预制吊装构件。我队在岳阳地区钢筋混凝土渡槽和排架施工中,采用了吊装的方法。在吊装中,为了保证设备和吊件的安全,避免构件产生裂缝和变形,就必须合理选择吊装方法和进行吊点的计算。我队过去吊装钢筋混凝土排架采用转起法,吊点按简支梁或连续
(I) Overview In the construction of water conservancy projects, in order to speed up the progress of the project and ensure the quality of the project, a large number of prefabricated lifting components are used. Our team adopted the hoisting method in the construction of reinforced concrete aqueducts and bays in Yueyang area. In hoisting, in order to ensure the safety of the equipment and hanging parts and avoid cracks and deformation of the components, it is necessary to reasonably select the lifting method and calculate the lifting point. In the past, our team used a lifting method to lift reinforced concrete bent frames. The lifting points were simply supported beams or continuous