Joint sets

Dip

Dip direction

Persistence (m)

Joint roughness (%)

>20%

10% - 20%

3% - 10%

1% - 3%

<1%

Very

rough

Rough

Rough-Smooth

Smooth

Slickenside

Js1

45\70

50

100

-

-

-

-

100

-

-

-

Hs2

290\70

25

70

30

-

-

-

-

20

80

-

-

Js3

145\80

10

-

100

-

-

-

-

-

100

-

-

Bedding

180\8

15

100

-

-

-

-

-

100

-

-

-

Joint

alteration

Joint

water

Aperture (mm)

Joint filling

Joint spacing (m-mm)

>5 mm

%

1 - 5

mm

%

0.1 - 1

mm

%

<0.1

mm

%

Close

Soft

filling

mm 5 <

%

Soft

filling

mm 5 >

%

Hard

filling

mm 5 >

%

Hard

filling

mm 5 <

%

Clean

%

<60

mm

%

60 - 200

mm

%

200 - 600

mm

%

0.6 - 2

m

%

>2

m

%

W1

Dry

-

100

-

-

-

-

50

-

50

-

-

-

-

100

-

100

-

100

-

-

-

-

-

-

100

-

-

40

60

-

-

-

-

-

70

-

30

-

-

30

70

-

-

100

-

-

-

70

30

-

-

-

-

-

-

-

100