Joint sets

Dip

Dip direction

Persistence (m)

Joint roughness (%)

>20%

10% - 20%

3% - 10%

1% - 3%

<1%

Very rough

Rough

Rough-Smooth

Smooth

Slickenside

Js 1

165\75

60

80

20

-

-

-

-

80

20

-

-

Js 2

035\55

20

30

70

-

-

-

-

30

70

-

-

Bedding

180\8

20

100

-

-

-

-

-

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

mm5<

%

Clean

%

<60

mm

%

60 - 200

mm

%

200 - 600

mm

%

0.6 - 2

m

%

>2 m

%

W1

Dry

90

10

-

-

-

-

50

-

50

-

-

-

100

-

-

60

40

-

-

-

-

-

70

-

30

-

-

70

30

-

-

100

-

-

-

70

30

-

-

-

-

-

-

-

100