The Characteristics of Seismic Response on Hard Interlayer Sites

Table 2

Analysis models and the corresponding soil mechanical parameters.

Sublayers	Soil property	Depth (m)	Thickness (m)	Shear wave velocity (m/s)	Density (t/m^3)	Category number
1	Silty clay	3.9	3.9	105	1.81	1
2	Silty sand	7.0	3.1	156	1.93	2
3		10.0	3.0	254	1.93	2
4		13.4	3.4	289	1.93	2
5	Silty clay	17.0	3.6	264	1.93	3
6		21.0	4.0	224	1.89	4
7		25.2	4.2	218	1.89	5
8	Silty clay	29.0	3.8	229	1.89	4
9		32.0	3.0	277	1.89	4
10	Silty clay	35.0	3.0	312	2.04	6
11		38.0	3.0	333	2.04	6
12		42.7	4.7	347	1.96	7
13	Silty sand	44.3	1.6	357	1.92	8
14	Basalt	48.0	3.7	1249	2.51	18
15		52.0	4.0	1332	2.51	18
16		56.0	4.0	1427	2.51	18
17	Basalt (silty clay)	60.0	4.0	1428 (466)	2.51 (1.96)	18 (7)
18		65.0	5.0	1470 (470)	2.51 (1.96)	18 (7)
19	Basalt (silty clay)	70.0	5.0	1470 (474)	2.51 (1.96)	18 (7)
20		74.2	4.2	1481 (477)	2.51 (1.96)	18 (7)
21		80.0	5.8	1874 (482)	2.51 (1.98)	18 (15)
22	Basalt (silty clay)	85.0	5.0	2272 (486)	2.51 (1.98)	18 (15)
23		90.2	5.2	2499 (491)	2.51 (1.98)	18 (15)
24		92.9	2.7	1500 (493)	2.51 (1.98)	18 (15)
25	Volcanic breccia (silty clay)	99.0	6.1	1463 (498)	2.51 (1.98)	18 (15)
26		105.0	6.0	1463 (503)	2.51 (1.98)	18 (15)
27	Volcanic breccia (silty clay)	111.0	6.0	1463 (508)	2.51 (1.98)	18 (15)
28		117.0	6.0	1552 (513)	2.51 (1.98)	18 (15)
29		123.0	6.0	1552 (518)	2.51 (1.98)	18 (15)
30	Volcanic breccia (silty clay)	129.0	6.0	1552 (524)	2.51 (1.99)	18 (16)
31		135.0	6.0	1588 (529)	2.51 (1.99)	18 (16)
32		141.0	6.0	1588 (535)	2.51 (1.99)	18 (16)
33		147.0	6.0	1588 (540)	2.51 (1.99)	18 (16)
34	Volcanic breccia (silty clay)	153.0	6.0	1588 (546)	2.51 (1.99)	18 (16)
35		159.0	6.0	1552 (551)	2.51 (1.99)	18 (16)
36		165.0	6.0	1552 (557)	2.51 (1.99)	18 (17)
37		171.0	6.0	1552 (563)	2.51 (1.99)	18 (17)
38	Volcanic breccia (silty clay)	177.0	6.0	1605 (569)	2.51 (1.99)	18 (17)
39		183.0	6.0	1605 (574)	2.51 (1.99)	18 (17)
40		189.0	6.0	1552 (580)	2.51 (1.99)	18 (17)
41		195.0	6.0	1552 (586)	2.51 (1.99)	18 (17)
42		198.0	3.0	1552 (589)	2.51 (1.99)	18 (17)
43	Silty clay	204.0	6.0	601	2.06	9
44		210.0	6.0	603	2.02	10
45		216.0	6.0	605	2.02	10
46		222.0	6.0	608	2.07	11
47		228.0	6.0	608	2.07	11
48		234.0	6.0	608	2.07	11
49		240.0	6.0	635	2.07	11
50		246.0	6.0	635	2.07	11
51		252.0	6.0	635	2.07	11
52		260.0	8.0	667	2.07	11
53	Silty clay	264.0	4.0	667	2.07	11
54		267.0	3.0	667	2.07	11
55		270.0	3.0	688	2.07	11
56		273.0	3.0	688	2.07	11
57		276.0	3.0	688	2.07	11
58		279.0	3.0	688	2.07	11
59		282.0	3.0	706	2.05	12
60		285.0	3.0	706	2.05	12
61		288.0	3.0	706	2.05	12
62		291.0	3.0	706	2.05	12
63		294.0	3.0	706	2.05	12
64		297.0	3.0	706	2.05	12
65		300.0	3.0	715	2.05	12
66		303.0	3.0	715	2.05	12
67		306.0	3.0	715	2.05	12
68		309.8	3.8	715	2.05	12
69	Silt sand	311.1	1.3	715	2.06	13
70	Silty clay	315.0	3.9	715	2.06	14
71		318.0	3.0	730	2.06	14
72		321.0	3.0	730	2.06	14
73		324.0	3.0	730	2.06	14
74		327.0	3.0	730	2.06	14
75		330.0	3.0	730	2.06	14
76		333.0	3.0	730	2.06	14
77		337.5	4.5	730	2.06	14
78	Computational basis of the model			730	2.55	19