Research Article
Experimental Study of Composite Members in Spatial Grid Structure Subjected to Ultralow-Cyclic Axial Force
Table 2
Geometrical parameters of specimen corresponding to Figure
2.
| Group ID | Quantity | End cone (mm) | Bolt-sphere (mm) | High-strength bolt (mm) | Sleeve (mm) | Steel tube (mm) | l1 | l2 | l3 | t1 | d1 | l4 | d2 | d3 | l5 | l6 | l7 | l8 | d4 | d5 | t2 | l9 | l10 | d6 | d7 | R | l | D |
| S24 | 54 | 6 | 48 | 18 | 16 | 25 | 30 | 24 | 78.5 | 82 | 24 | 18 | 30 | 36 | 24 | 15 | 10 | 40 | 45.2 | 41 | 12.5 | 1826 | 88.5 | S27 | 54 | 6 | 44 | 20 | 20 | 28 | 33 | 27 | 78.5 | 90 | 28 | 20 | 33 | 41 | 27 | 17 | 10 | 40 | 50.9 | 46 | 14.0 | 1826 | 88.5 | S30 | 54 | 6 | 44 | 19 | 20 | 31 | 35 | 30 | 78.5 | 98 | 28 | 24 | 37 | 46 | 30 | 18.7 | 10 | 45 | 55.6 | 50 | 15.5 | 1816 | 88.5 |
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