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

Figure 4

Normalized displacement amplitudes at different positions behind the barrier (𝑠_𝑝=3.0𝑎_𝑠, 𝑏_𝑠=0.9𝑎_𝑠,𝑚=4, 𝑁=8).

(a) ℎ=0, 𝐺_𝑟=10

(b) ℎ=3.0𝑎_𝑠, 𝐺_𝑟=1000

(c) ℎ=0, 𝐺_𝑟=10

(d) ℎ=3.0𝑎_𝑠, 𝐺_𝑟=1000