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Table 7 Contribution of the different geologic units to the Eurocode 8 site classes

From: Seismic microzonation of a region with complex surficial geology based on different site classification approaches

Site class

% of total area

Bedrock (%)

Till (%)

Glaciofluvial sediments (%)

Clay (%)

Sand and gravel (%)

Total (%)

A

53.2

94.5

4.8

0.0

0.4

0.3

100.0

B

7.6

81.6

7.4

0.1

6.2

4.7

100.0

C

4.9

14.4

11.6

8.4

22.6

43.1

100.0

D

10.1

2.4

3.5

2.2

69.9

21.9

100.0

E*

24.1

21.5

2.4

51.7

24.4

100.0

  1. * VS,avg estimated