Construction Method and Process Optimization of Prestress Reverse Tensioning for Large-Span Bidirectional Suspension Steel Roof Structures

Table 2

Geometric and physical parameters of components.

Component type	Cross-section dimensions	Inner diameter (d) (mm)	Thickness (t) (m)	Elastic modulus E (mPa)
Main truss upper and lower chords		420	15	2.06 × 10^5
Roof grid structure		197	8	2.06 × 10^5
Diagonal columns		234	8	2.06 × 10^5
Swing columns		520	15	2.06 × 10^5
Three-in-one columns		580	10	2.06 × 10^5