Study on Seismic Performance of Improved High-Strength Concrete Pipe‐Pile Cap Connection
Table 5
Results of tests.
Specimen
Mcr (kN·m)
Mu (kN·m)
Δy (mm)
Δu (mm)
μ
Forward
Reverse
Forward
Reverse
Forward
Reverse
Forward
Reverse
Forward
Reverse
CT-7
208.3
−262.5
546
−388.5
11.8
−8.9
25.34
−24.02
2.15
2.70
CT-8
252
−248.5
430.5
−477.8
14.09
−21.1
39
−39.32
2.77
1.86
CT-9
238
−210
477.8
−297.5
16
−10.7
41.03
−48.02
2.56
4.49
CT-10
248.5
−334.3
406
−567
15.3
−14.5
39.13
−35.7
2.56
2.46
Note. Mcr is the cracking moment, Mu is the ultimate moment, Δy is the yielding displacement, Δu is the ultimate displacement, and μ is the displacement ductility factor.
