The Importance of Membrane Structure Form-Finding

Membrane structure form finding is the initial step of membrane structure design. In this process, it is necessary to comprehensively consider the building\\\\\\\'s plan/facade requirements, building functions, and lower supporting conditions to determine the curved surface that meets the boundary conditions and mechanical balance requirements shape.

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Membrane structure form finding is the initial step of membrane structure design. In this process, it is necessary to comprehensively consider the building's plan/facade requirements, building functions, and lower supporting conditions to determine the curved surface that meets the boundary conditions and mechanical balance requirements. shape. In fact, the design of membrane structure breaks the traditional "building first, then structure" design method, requiring architects and structurers to be closely integrated in the proposal stage to determine the shape of the building.

From a mechanical point of view, the form-finding problem of membrane structure can be attributed to the initial equilibrium problem of solving the space surface. This question contains the following important parameters:

1. Structural topological relationship

2. Geometric boundary conditions

3. Structural geometry

4. Physical strength and face strength

5. The size and distribution of the initial pretension

Among them, the structural topological relationship refers to the connection relationship between different structural components. In the computer finite element model, it can also be understood as the connection relationship between structural units. Physical and surface forces refer to the self-weight and external load of the structure. The external load is usually zero during the form-finding stage. The geometric shape of the structure is required to be solved in the form-finding stage, and is generally an unknown quantity. Geometric boundary conditions and initial pretension are usually determined comprehensively by structural engineers according to factors such as building conditions and construction conditions, and are the main independent variables in the form-finding stage. It can be said that form-finding is to seek the balance of many of the above factors.

Shanghai Zhanji is a professional membrane structure company with more than 10 years of experience. If you have any questions, please consult us!

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The Importance of Membrane Structure Form-Finding

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