The central area of a city reflects the geographical style and ethnic customs of a city. Together, it is also a sign of the development of urban civilization. The engineering design of the scene film structure requires that it be widely readable and appealing to both refined and popular tastes. It not only has refined artistic value, but also can make the masses like to hear and see it closely linked with the masses.

The high performance of membrane material is the basis of the changeable modeling of membrane structure. Membrane structure has the following performance requirements for membrane materials:

1. High tensile strength;

2. High tear strength;

3. The stability of material dimensions, that is, the requirements for elongation; Membrane structure landscape

4. Bending resistance, with a certain degree of flexibility;

5. It should have high transparency and the ability to emit sunlight;

Long service life of membrane structure engineering: membrane structure buildings are semi buildings. At present, membrane structure buildings in the early stage of application in the world have a history of more than 30 years and are still in use. Its steel skeleton can be used for a long time as long as it is well coated and maintained in time. The membrane material for building is a composite material with outstanding mechanical properties, high strength and aging resistance. As long as the structure design is reasonable, the service life of membrane structure buildings can be up to 50 years.

The main form finding methods of membrane structures include dynamic relaxation method, force density method and finite element method. The loads considered for membrane structures are generally wind load and snow load. Under the load effect, the deformation of the membrane material is large, and the load distribution is also changing with the change of the shape, so the calculation of the deformation and stress of the structure should be stopped by several nonlinear methods. Another intention of load analysis is to confirm the initial pretension in cable and membrane.

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