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.

SpecimensST-1ST-2ST-3ST-4ST-5

(mm)159159159159159
(mm)5.54.53.55.55.5
ConcreteFilled inFilled inFilled inNot filled inFilled in
ConnectionCementitious grouted sleeveCementitious grouted sleeveCementitious grouted sleeveCementitious grouted sleeveOrdinary sleeve

Note: is the external diameter and is the thickness.