Intelligent Prediction Method for Operation and Maintenance Safety of Prestressed Steel Structure Based on Digital Twin Technology

Table 1

Model material specification selection.

Lever	Position	Model specifications	Model cross-sectional area (mm^2)
Radial cable	Up	6^∗7Ф8	24.6
	Down	6^∗19Ф10	33.3
Girdle	Upper circle	6^∗7Ф8	24.6
	Lower circle	6^∗19Ф12	49.1
Brace	Outer circle	Ф12^∗2	62.8
	Middle circle	Ф12^∗2	62.8
	Inner circle	Ф12^∗2	62.8
Ring beam	Outer circle	150^∗150^∗10^∗10 I-shaped steel	4300