Experimental Study on Seismic Performance of Prefabricated Utility Tunnel

Figure 17

Damage phenomena in the test. (a–c) Cracks on the model structure. (a) Cracks around the top corner. (b) Cracks around the bottom corner. (c) Longitudinal cracks. (d) Damage of pipeline rack.

(a)

(b)

(c)

(d)