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

Figure 12

Contours of normalized displacement amplitudes by multirows of tubular piles (𝑏_𝑠=0.9𝑎_𝑠,   𝑠_𝑝=3.0𝑎_𝑠,   ℎ=3.0𝑎_𝑠,   𝐺_𝑟=10,𝑚=4,𝑁=12).

(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)