Table 1 Parameters of support structure, cap and pile.

From: Mechanical response of elevated bridge piles to adjacent deep excavation

Support elements

Cross section (mm)

Unit weight (kN·m3)

Elasticity modulus, E (GPa)

Poisson’s ratio

Underground diaphragm wall

T = 600, HU=2,400

24

20

0.2

First support

800 × 800

24

20

0.2

Second support

D = 609, t = 16

77

200

0.3

Third support

D = 609, t = 16

77

200

0.3

Crown beam

800 × 800

24

20

0.2

Steel enclosed purlin

800 × 800

77

200

0.3

Cap

B×C×HC=6,000 × 6,000 × 2,000

24

20

0.2

Pile

DP=1,500, HP=15,000

24

20

0.2

  1. Note: T is the thickness of the underground diaphragm wall, HU is the height of the underground diaphragm wall, D is the diameter 136 of the steel pipe support, t is the thickness of the steel pipe support, B is the length of the cap, C is the width of the cap, HC is the 137 height of the cap, DP is the diameter of the pile, and HP is the length of the pile.