Seven precautions for the construction of large space frame engineering

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  1. The design scheme of the large-span space frame structure should be determined by comprehensive analysis of the plan shape, span, support, load size, and architectural design of the project.The structural layout and support plate method should ensure that the structure has an effective force transmission method and overall stability. The plan structure shall be provided with a support system outside the plan.
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  2. For the large-span space frame structure in the seismic area, the horizontal and vertical seismic action effects should be considered according to the seismic code. For the covering of the large-span space frame structure, the relative comfort requirements should be considered according to the use function.
  3. According to the structure of the long-span space frame structure and the way of connection points, the type of prefabricated components, and the load characteristics, and considering the relationship between the upper large-span space frame structure and the lower support plate structure, an effective measurement solid model should be created，conduct process analysis. effect. For the covering of the large-span space frame structure, the relative comfort requirements should be considered according to the use function.
  4. The long-span space frame structure should consider the bearing capacity and stiffness requirements under various load case methods. The prestressed long-span space frame structure should carry out structural tension shape analysis, clarify the prestress distribution of cables or tie rods, and ensure that the cable force exceeds zero under various working conditions.
  5. To solve the complex long-span space frame structure or complex prestressed large-span space frame structure in the engineering construction process, carry out construction process analysis.
  6. Non-linear stationary analysis should be carried out for arched structures under compression, single-layer space frames and double-layer space frames with large spans.
  7. The way of supports and connection points of the large-span space frame structure should be consistent with the measured and calculated solid model.

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