Low-Cyclic Loading Tests of Self-Centering Variable Friction (SCVF) Brace

Table 1

Specimen design parameters.

Part number	Name	Materials	Size parameters	Number
1	Inner tube	Q235	100 × 100 mm	1
2	Outer tube	Q235	200 × 200 mm	1
3	Guiding bolt	Q345	M18	2
4	High-strength spring S1	Carbon spring steel	Φ12 × 80 × 250 mm × c17 (China)	1
5	High-strength spring S2	Carbon spring steel	Φ10 × 80 × 250 mm × c20 (China)	1
6	Friction block	Ceramic fiber	100 × 60 × 20 mm	2
7	Hinge support assembly	Q235	Φ12	4
8	Limit block	Q235	100 × 20 × 14 mm	4
9	Adjusting bolt	Q235	Grand 8.8 M24 (GB)	2
10	Friction steel plate	Q235	400 × 100 × 10 mm	2
11	Inner tube end plate	Q235	150 × 150 × 10 mm	1
12	Inner tube connector	Q235	250 × 100 × 10 mm	1
13	Outer tube end plate	Q235	250 × 250 × 10 mm	1
14	Outer tube connector	Q235	250 × 100 × 10 mm	1