Experimental Study on Seismic Performance of Prefabricated Utility Tunnel

Table 5

Index of boundary effect in the shaking table test.

	Input PGA		0.125 g	0.25 g	0.375 g	0.5 g	0.75 g
Index μ (%)	Shallow part	μ3-13	0.16	5.46	9.94	4.56	0.68
		μ3-14	0.26	5.96	10.55	4.28	0.17
	Deep part	μ2-5	2.46	3.26	3.80	2.54	3.73
		μ2-6	1.51	2.36	4.35	0.63	1.24