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某厂在旧锅炉改造时,采用整体顶升技术,把跨度20m,长21m,重200t的锅炉房屋盖由净高5.9m顶升至8.3m,顶升一次成功,取得了较好的技术经济效果。一、工程概况锅炉房建筑面积420m~2,单层钢筋混凝土结构。屋盖重量由6榀20m跨度芬克式钢屋架承担。屋架垂直支撑、水平支撑牢固稳定。木檩条镀锌平铁皮屋面。仰首板下做双层灰条,抹白灰砂浆。承重墙是430mm
When the old boiler was reformed in a certain factory, the overall roof lifting technology was adopted. The boiler house cover with a span of 20m, a length of 21m, and a weight of 200t was lifted from a net height of 5.9m to 8.3m. The lift was successful once and a good technical economy was achieved. effect. I. Project Overview Boiler room construction area is 420m~2, single-layer reinforced concrete structure. The roof weight is borne by a 6榀20m span Fink-style steel truss. The vertical support and horizontal support of the truss are firm and stable. Wooden galvanized flat iron roof. Yang back to do double gray strips, wipe white mortar. Bearing wall is 430mm