Table 1 Condition of the pile foundation.

From: Research on the impact of irregular structure group construction on rail transit bridge piers and its response to wind load

Pier number

Pier size (m)

Pile cap size (m)

Pile diameter (m)

Pile length (m)

Number of piles

Pile spacing (m)

Pile bearing stratum

J23

3.9 × 3.6

7 × 11.5 × 2.5

1.5

34

6

4.5

Moderately weathered granite

J24

3.9 × 3.6

7 × 11.5 × 2.5

1.5

32

6

4.5

Moderately weathered granite

J25

3.9 × 3.6

7 × 11.5 × 2.5

1.5

35

6

4.5

Moderately weathered granite