Joint sets

Azimuth/Dip Amount

Spacing (cm)

Strike length (m)

Roughness

Aperture (mm)

Infilling

GW

J1

280 - 300/V

30 - 150

>20

Smooth, planar

Tight

Fresh/clay coated

Dry

J2

035 - 045/10 - 25

30 - 100

>20

Smooth, planar

Tight

Fresh/clay coated

Dry

J3

280 - 310/65 - 75

60 - 200

>20

Smooth, planar

Tight

Fresh/clay coated

Dry

J4

280 - 300/30 - 50

75 - 200

>20

Smooth, planar

Tight

Fresh/clay coated (2 - 4 mm)

Dry

J5

130 - 145/50 - 70

>100

>20

Smooth, planar

Tight to 3 mm

Fresh to 3 - 5 mm clay filling

Dry

J6

240 - 260/40 - 50

>100

>15

Smooth, planar /undulating

Tight to 3 mm

Fresh to 3 - 5 mm slightly alter

Dry

J7

080 - 100/70 - 80

>100

>10

Smooth, planar

Tight

Fresh

Dry

J8

070 - 080/50

>100

>10

Smooth, planar

Tight

Fresh

Dry

J9

170 - 185/50 - 70

>100

>10

Smooth, planar

Tight

Fresh

Dry

JR1

330 - 345/30 - 50

>100

<10

Smooth, planar

Tight

Fresh/clay coated

Dry

JR2

300 - 310/20 - 30

>100

<10

Smooth, planar

Tight

Fresh

Dry

JR3

160 - 180/V

>100

>10

Smooth, planar

Tight

Slightly altered joint walls

Dry

JR4

240/15

>100

>10

Smooth, planar

Tight

Fresh

Dry

JR5

060/80

>100

>10

Smooth, planar

Tight

Fresh

Dry

JR6

340/75

>100

>10

Smooth, planar

Tight

Fresh

Dry