Research Article
Structural Behavior of Thin-Walled Concrete-Filled Steel Tube Used in Cable Tunnel: An Experimental and Numerical Investigation
Table 1
Parameters of CTST specimens.
| Specimens | ST-1 | ST-2 | ST-3 | ST-4 | ST-5 |
| (mm) | 159 | 159 | 159 | 159 | 159 | (mm) | 5.5 | 4.5 | 3.5 | 5.5 | 5.5 | Concrete | Filled in | Filled in | Filled in | Not filled in | Filled in | Connection | Cementitious grouted sleeve | Cementitious grouted sleeve | Cementitious grouted sleeve | Cementitious grouted sleeve | Ordinary sleeve |
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Note: is the external diameter and is the thickness.
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