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Geoenvironmental Disasters

Table 3 The space of discontinuous planes classification (Bieniawski 1989)

From: Slope mass rating-based analysis to assess rockfall hazard on Yogyakarta Southern Mountain, Indonesia

Description

Space (m)

RMRb value

Very wide

>  2

20

Wide

0,6–2

15

Moderate

0,2–0,6

10

Tight

0,06–0,2

8

Very tight

<  0,06

5

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