Ground Vibration Isolation of Multiple Scattering by Using Rows of Tubular Piles as Barriers

Figure 8

Transmissibility index curves with different separations of tubular piles (𝑏_𝑠=0.9𝑎_𝑠,𝑚=4,   𝑁=8).

(a) Incident SH waves (𝜂_𝑠𝑠=0.4)

(b) Incident P waves (𝜂_𝑠𝑠=0.8,   𝜂_𝑝𝑠=0.45,   𝜈_𝑝=0.20,   𝜈_𝑠=0.25)

(c) Incident SH waves (𝜂_𝑠𝑠=0.4)

(d) Incident P waves (𝜂_𝑠𝑠=0.8,   𝜂_𝑝𝑠=0.45,   𝜈_𝑝=0.20,   𝜈_𝑠=0.25)

(e) Incident SH waves (𝜂_𝑠𝑠=0.4)

(f) Incident P waves (𝜂_𝑠𝑠=0.8,   𝜂_𝑝𝑠=0.45,   𝜈_𝑝=0.20,   𝜈_𝑠=0.25)