Table 2.

Dimensional parameters of the bridge structures.

Size type	Pier number
	J23	J24	J25
Back span (m)	28	25	30
Beam height (m)	0.4	0.4	0.4
Bent cap size (m)	10.67 × 4.4 × 1.7	10.67 × 4.4 × 1.7	10.67 × 4.4 × 1.7
Bent cap height (m)	24.5	24.5	24.5
Pier size (m)	3.9 × 3.6 × 24.0	3.9 × 3.6 × 24.0	3.9 × 3.6 × 24.0
Pile cap size (m)	7.0 × 11.5 × 2.5	7.0 × 11.5 × 2.5	7.0 × 11.5 × 2.5
Pile diameter (m)	Φ1.5	Φ1.5	Φ1.5
Pile length (m)	34	32	35
Pile number	6	6	6
Pile spacing (m)	4.5 × 4.5	4.5 × 4.5	4.5 × 4.5