Report from our correspondent (reporter Chen Jun) in April 10th, the Lishui gymnasium steel structure, cable membrane structure construction plan review will be held in the expert group meeting room on the third floor, experts from the Zhejiang University, Southeast University and other five experts to review the construction plan and get through.
The stadium steel structure is a bowl shaped spatial reticulated shell structure, roof prestressed cable membrane structure. The highest point of elevation of about 30.600 meters. Members of reticulated shell structure with box section, and the lower reinforced concrete structure. The cable membrane structure for bearing cable notochord, common suspended steel basket central; valley cable for stable cable, to prevent the effects of vibration on the roof. Film covering and transfer loads, calculation does not consider the common participation of bearing.
The stadium steel structure parts factory, the spatial latticed structure assembly, segmental hoisting. The assembly site as far as possible the use of lifting near the principles of layout, in the stadium, site construction can be carried out according to the specific arrangements for the contractor, owner requirements. Selection of a 25 ton truck crane assembled. The stadium steel structure installation has two main parts: the bowl shaped space truss roof reticulated shell structure and the central ring. The stadium bowl shaped space reticulated shell structure with 1 sets of 300 ton crawler crane for lifting in the gym. The stadium bowl shaped spatial reticulated shell structure is divided into 4 layers of hoisting, among them 0 to 5.6 meters to 14.2 meters, 5.6 layers, 14.2 layers to 23.8 meters layer to grid unit, herringbone unit parts, lifting, 23.8 to 28.8 meters layer with herringbone unit lifting hoisting grid structure is good; 2 adjacent unit, lifting the remaining the parts structure unit, the support frame is arranged in the shell node, and the supporting frame against the direction of pull cable wind rope to coordinate adjustment of reticulated shell structure and is conducive to the stability of reticulated shell structures.
Reticulated shell structure hoisting finished, 300 tons crawler crane exits, the central ring truss roof with a 80 ton truck crane hoisting truss member, set up under the support platform.
Steel structure and construction need cross construction, steel structure construction to minimize the impact on the other units, and actively with the general contractor coordination.