Nominal breaking strength/（KN/rm）

35

50

65

80

100

120

140

160

180

200

250

1

Longitudinal tensile strength/（KN/m）≥

35

50

65

80

100

120

140

160

180

200

250

2

Transverse tensile strength（KN/m）≥

According to the agreement, unless otherwise specified, the value should be 0.7 times the radial fracture strength.

3

Standard strength corresponding elongation/%≤

Radial 35, Latitudinal 30

4

CBR puncture strength/KN≥

2.0

4.0

6.0

8.0

10.5

13.0

15.5

18.0

20.5

23.0

28.0

5

Equivalent pore sizeO95(O95)/mm

0.05~0.50

6

Vertical permeability coefficient/(cm/s)

K*(10-2~10-5)  in:K=1.0~9.9

7

Width deviation/%

-1.0

8

Deviation in thickness of grouted geotextile mattress/%

±8

9

Length and width deviation of geotextile mattress/%

±2

10

Sewing strength/（KN/m）≥

Nominal breaking strength*0.5

11

Longitudinal and transverse tear strength/KN ≥

0.4

0.7

1.0

1.2

1.4

1.6

1.8

1.9

2.1

2.3

2.7

12

Mass per unit area deviation/%

-5