A project in Nanjing prefabricated component Assembly (hoisting) construction scheme
This project is to build a new three room one group cooling tower on the north side of one three room one group cooling tower in the original first circulating water plant. The three floor prefabricated beam and slab walkways of this project are connected with the original one circulation cooling tower. The relative elevation of the device ± 0.00 corresponds to the absolute elevation 50.650m. The main part is a 6-span 3-story assembly structure. The first floor is 6.5m high, the second floor is 4.3m high, the third floor is 5.0m high, the span is 8.0m, and the total height is about 15.0m; Prefabricated corbel column, 15.850m~16.650m long, 500 × 500mm in geometric dimension, 400 × 400mm in geometric dimension, and 8T~16T in weight; The geometric dimensions of precast beams are 300 × 800mm, 300 × 750mm, 300 × 700mm, 300 × 650mm, 300 × 600mm, 300 × 500mm, 250 × 600mm, 250 × 500mm, 180 × 500mm, 150 × 300mm, and the weight is about 0.5T~6T; The weight of prefabricated trough shaped wall plate and prefabricated trough shaped roof is about 0.5T~2T. Between the south side of the building and the original cooling tower, a 15.0m light steel frame, precast coupling beam and precast slab form a connection overpass. On the north side, there is a cast-in-place external staircase, with concrete grade of C25. The staircase column, beam, step, rest platform board are plastered with cement mortar. The top of the cooling tower and the staircase handrail are steel pipe handrails. This plan is specially prepared for prefabricated component assembly construction.
