Table 4 The peak values of displacement time histories of the adjacent building structures under different seismic excitation.

From: Parameter optimization of vibration control system for adjacent building structures based on negative stiffness inerter damper

Earthquake

Left building (mm)

Right building (mm)

NSID-1

NSID-2

UC

NSID-1

NSID-2

UC

Chi-Chi

3.522

(2.05)

3.477

(3.29)

3.596

3.805

(48.64)

3.864

(47.84)

7.409

Imperial_Valley

8.078

(8.35)

8.310

(5.72)

8.815

7.881

(42.97)

7.118

(48.49)

13.819

Landers

15.400

(63.43)

15.855

(62.35)

42.123

13.562

(39.39)

12.590

(43.73)

22.379

Kocaeli

3.458

(11.44)

3.471

(11.09)

3.905

5.481

(54.75)

5.688

(53.05)

12.116

RGB1

11.693

(61.253)

12.230

(59.474)

30.178

11.647

(63.937)

9.891

(69.374)

32.296

RGB2

13.885

(30.117)

14.159

(28.738)

19.869

10.283

(42.684)

9.134

(49.089)

17.941

  1. In this table, (1) the “#” in (#) indicates the percentage decrease in the peak displacement of the vibration control system based on NSID-1 and NSID-2 compared to the peak displacement of the uncontrolled system; (2) UC represents uncontrolled system; (3) # =(UC-NSID-1 or NSID-2)∗100%/UC.
Back to article page