Double-layer Space Frame

Its core characteristics are:

Spatial force distribution: Loads are transmitted to the supports through the axial forces (tension or compression) of the members, resulting in a rational force distribution, similar to a "spatial plate."

Double-layer structure: The upper and lower grid layers and the intermediate web members together form a spatial structure with high overall rigidity and stability.

Highly indeterminate structure: Even if a few members are damaged locally, the internal forces will redistribute, and the overall structure is unlikely to collapse, providing a high safety margin.

What are the advantages?
Compared to traditional reinforced concrete beam-slab structures or solid steel beam structures, double-layer space frames offer significant advantages:

1. Efficient load-bearing and economical use of materials: Primarily subjected to axial forces, the material strength is fully utilized, resulting in low steel consumption per unit area, especially economical for large spans.

2. High stiffness and low deformation: Strong spatial collaborative working ability, resulting in significantly less deflection than ordinary beam structures under the same load and span.

3. Lightweight: Slender members and a lightweight structure reduce the pressure on the supporting structure and foundation, lowering foundation costs.

4. Strong adaptability: Can flexibly adapt to various building layouts such as rectangular, circular, fan-shaped, and polygonal shapes, offering diverse design possibilities.

5. Good seismic performance: Highly statically indeterminate structure with high redundancy and strong seismic resistance.

6. Convenient for industrialized production and installation: Members and nodes can be standardized and mass-produced in factories, ensuring quality. On-site assembly is mostly done with bolts, resulting in fast construction and less pollution.

7. Convenient for equipment and pipeline layout: The space between the upper and lower chords can be used to conceal lighting, air conditioning, fire protection, and other pipelines, making the building ceiling neat and aesthetically pleasing.