Joint Sets

Dip

Direction

Joint

Frequency

Persistence (m)

Joint Roughness (%)

>20%

10% - 20%

3% - 10%

1% - 3%

<1%

Very Rough

Rough

Rough-Smooth

Smooth

Slickenside

Js1

270\83

50

-

80

20

-

-

-

-

20

80

-

Js2

170\85

30

-

70

30

-

-

-

30

70

-

-

Bedding

180\8

20

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

%

W2

Dry

-

100

-

-

-

-

100

-

-

-

-

-

100

-

-

40

60

-

-

-

-

-

40

-

60

-

-

50

50

-

-

100

-

60

-

100

-

-

-

-

-

-

-

-

100