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

Figure 3

Normalized displacement amplitudes curves along midline behind the isolation system under different scattering orders by rows of tubular piles (𝑠_𝑝,=3.0𝑎_𝑠,  𝑏_𝑠=0.9𝑎_𝑠,   1≤𝑚≤4,   𝑁=8).

(a) ℎ=0

(b) ℎ=3.0𝑎_𝑠

(c) ℎ=0

(d) ℎ=3.0𝑎_𝑠