LF space frame

steel structure Badaling Great Wall "Dream of Light" project for reinforcement and design. The original building was built in 1989. The main body is a brick-concrete structure on the ground floor and two floors above the ground, with a construction area of   2842m2. According to the functional requirements of the owner, the steel frame structure was newly expanded on the east, south and north sides of the original building; the original flat roof grid structure of the brick-concrete structure was changed to a spherical net shell, and the brick wall was reinforced with slab walls and the stands were designed in the ball theater. LF is a professional manufacturer and engineering company for space frame and steel structure projects.LF Business scopes: designing, fabrication, installation of coal storage and related equipments for power plant, cement warehouse, stadium, exhibition hall, railway station roofing system, gas station roof cover, large span of workshop etc.Websit...

steel structure 1.  When manufacturing steel components, the processing technology should be determined in combination with the actual supply types of materials, processing technology levels, and equipment conditions to reduce the stress and deformation of components. 1) Reduce the number of steel types as much as possible, and reduce the number of component types to prevent component stress and deformation. 2) The size or aperture size of symmetrical parts should be as uniform as possible to facilitate machining; and it is conducive to interchangeability during assembly. 3) Weld the welds reasonably to prevent the distance between the welds from being too close. When the length of the material is greater than the length of the part, reduce or do not make splicing welds; the layout of the welds should be symmetrical to the components. The center of gravity or axis is symmetrical on both sides to reduce welding stress concentration and welding deformation. 4...

steel structure The connections of steel structure are divided into weld and bolted connection. The advantages of bolted connection: bolted connection is to connect two components with bolts.   This kind of structural strength can reach 10.9s.   General speaking, only high strength bolts can be used in space frame.   Regular bolts can be reused, but high strength bolts can only be used once.   High strength bolt is generally used for permanent connections.   Bolted connection is assembly connection which is simple, rigid, easy to install etc. The advantages of weld: simple equipment to be used, high productivity, the welded joint intensity is high.   But welding joint is easy to get rusted, the welding can be done in limited environment, and its disassembly process is quite complicated.More: www.cnxzlf.com

space frame structure  The welding ball structure uses hollow balls (material Q235 ordinary steel) and welded pipes for welding at the construction site, which is greatly affected by temperature and wind speed.   The cutting and welding equipment are basically manual, which results in large errors in the cutting, positioning, and welding processes.   Low, and the welds are prone to "false penetration" and "slag inclusion" quality defects.   There is stress and deformation before and after welding of steel, which poses a safety hazard.   Continuous release after use, the angle control between various rods is not precise, it is easy to twist the rods, destroy the balance force transmission, and increase the deflection of the steel structure.   It cannot meet the engineering requirements of special-shaped curves and ultra-long spans, and it is difficult to guarantee the quality, which has great limitations. The bolt ball structure uses solid balls (ma...

LF is specially professional at large span (D>100m) space frame projects, such as coal storage,cement warehouse in barrel or dome shape etc.   Comparing with traditional H type steel structure, spaceframe with large span" has more advantages such as more stability, beautiful appearance, saving cost etc.LF Business scopes: designing, fabrication, installation of coal storage and related equipments forpower plant, cement warehouse, stadium, exhibition hall, railway station roofing system, gas station roof cover, large span of workshop etc.website: www.cnxzlf.com

space frame structure The hand of G od church project consist of a 91m span central dome , five finger-shaped cylindrical structure which carry at least 20000 people each and two fan-shaped roof structure s  on finger 1&5. All t he roof structures are space frame ,covered with Al-Mg-Mn roofing sheet . The total project area is about 5 613 0M2, which  can conveniently accommodate over than 100,000 people at same time. LF is a professional manufacturer and engineering company for space frame and steel structure projects.LF Business scopes: designing, fabrication, installation of coal storage and related equipments for power plant, cement warehouse, stadium, exhibition hall, railway station roofing system, gas station roof cover, large span of workshop etc.  website: www.cnxzlf.com

The modeling of Qingdao Wanda Oriental Cinema Exhibition Center is irregular nautilus. In order to meet the requirements of space and vision, the main steel structure adopts large-span single-layer lattice shell. The steel structure horizontal span at the main entrance of the project is about 40m, the height is about 23m, and the maximum cantilever is about 15.4m.   Three inverted triangular lattice steel trusses were installed at the main entrance to effectively reduce the cantilever span.   2-story plane truss is arranged between three steel trusses to improve its stability and be used to support the glass curtain wall of the main entrance. The steel components are made of Q345B . S tructural features  and difficulties: 1. Steel roof shape is nautilus , all the pipe s are spatial distortion component s, and the local  coordinate axis of each pipes   is  different, so it is very difficult for the roof meshing and modeling, the workload is  ...

space frame Space frame structure  is generally composed of roughly the same grid or smaller unit, often used in roof structure. Generally, the flat grid space structure is called the grid frame and the curved grid space structure is called the grid shell.   The gird frame is generally double-layered to ensure the necessary stiffness.  Grid  shell has single layer and two layers. flat grid space structure is simple in design, calculation, structure and construction, so it is a good form for large, medium and small span roof system. 1. The  pipes of single-layer  grid frame and the double layer shell   frame can be divided into: the upper chord, the lower chord and the web members , which mainly bear the tension and pressure.   N ode balls   can be  welding ball and bolt ball. 2. F rame  accessories: high-strength bolts, stripe   less nuts, sealing plate, cone, jackscrew , support, bracket , rubber pad. 3. B racke...