Mechanical Behavior and Calculation Method for RC Fifteen-Pile Cap of Mixed Passenger and Freight Railway Bridge
Table 3
Reaction force at each pile top under ultimate load (including self-weight loads) (unit: 106 N).
Calculated parameters
Ultimate load
The reaction force at pile top
No. 1 pile
No. 2 pile
No. 3 pile
No. 6 pile
No. 7 pile
No. 8 pile
Cap thickness
2.0 m (α = 46°)
246.4
11.0
16.9
18.6
16.2
21.3
22.7
2.5 m (α = 39°)
272.8
13.6
18.0
20.7
17.9
22.5
24.2
3.0 m (α = 34°)
306.4
14.8
18.0
19.4
17.4
20.8
21.8
3.5 m (α = 30°)
312.2
16.6
21.3
23.0
20.2
24.4
25.6
4.0 m (α = 27°)
333.4
18.8
22.4
24.1
21.4
25.5
26.4
Pile spacing
4.2 m (α = 26°)
296.1
15.6
20.4
22.3
18.8
22.6
24.7
5.4 m (α = 41°)
284.3
14.5
18.4
20.2
20
23.7
25.2
6.0 m (α = 47°)
260.8
13.1
16.5
17.8
19
22.6
23.8
6.6 m (α = 52°)
222.2
10.9
13.6
14.5
16.9
20.2
21.4
Note. When cap thickness = 3.0 m, the corresponding pile spacing = 4.8 m. To avoid repetition, results for pile spacing = 4.8 m are not presented in Table 3.
