Behavior of Hollow Thin Welded Tubes Filled with Sand Slag Concrete

Table 4

Experimental results of rectangular empty stubs.

Concrete type	Specimen	Height (mm)	(mm)	Eccentricity (mm)	Nue (kN)
Empty steel tubes	V1	300	101.30 × 69.80 × 2.30	0	146
	V2	500	100.10 × 69.70 × 2.20	0	138
	V3	300	99.80 × 70.10 × 2.30	20	132
	V4	500	100.10 × 69.40 × 2.20	20	124